Who owns Napco Security Systems?
- Ticker: NSSC
- CUSIP Number: 630402105
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Analyze quarterly positions in Napco Security Systems with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Napco Security Systems stock
Who bought or sold Napco Security Systems this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| BlackRock | 5.7M | $224M | 76% | Mar 2026 |
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| Vanguard Group | 2.9M | $120M | 1% | Dec 2025 |
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| Copeland Capital Management | 2.0M | $79M | 41% | Mar 2026 |
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| Fundsmith | 1.8M | $74M | 0% | Dec 2025 |
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| Vanguard Capital Management | 1.5M | $59M | 100% | Mar 2026 |
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| Vanguard Portfolio Management | 1.5M | $58M | 100% | Mar 2026 |
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| Henderson Group | 1.4M | $56M | -7% | Mar 2026 |
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| Geode Capital Management | 1.1M | $44M | 8% | Mar 2026 |
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| State Street Corporation | 896k | $38M | 14% | Dec 2025 |
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| Wellington Management Company | 879k | $37M | -13% | Dec 2025 |
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| Arrowstreet Capital, Limited Partnership | 864k | $36M | 0% | Dec 2025 |
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| Prudential Financial | 750k | $30M | 100% | Mar 2026 |
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| Dimensional Fund Advisors | 703k | $28M | 5% | Mar 2026 |
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| First Trust Advisors | 685k | $27M | -4% | Mar 2026 |
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| Doma Perpetual Capital Management | 628k | $26M | -46% | Dec 2025 |
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| Northern Trust | 598k | $25M | -7% | Dec 2025 |
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| Point72 Asset Management | 482k | $19M | 87% | Mar 2026 |
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| Royal Bank of Canada | 477k | $21M | -26% | Mar 2026 |
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| Morgan Stanley | 465k | $18M | 10% | Mar 2026 |
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| Jacobs Levy Equity Management | 413k | $16M | -1% | Mar 2026 |
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| Goldman Sachs Group | 403k | $16M | 30% | Mar 2026 |
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| Qube Research & Technologies | 376k | $16M | -11% | Dec 2025 |
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| Envestnet Asset Management | 376k | $15M | 3% | Mar 2026 |
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| Renaissance Technologies | 333k | $14M | 6% | Dec 2025 |
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| Charles Schwab Investment Management | 315k | $13M | 3% | Dec 2025 |
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| Bank of New York Mellon | 303k | $12M | 40% | Mar 2026 |
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| Bessemer | 293k | $12M | 1888% | Mar 2026 |
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| AQR Capital Management | 285k | $11M | -4% | Mar 2026 |
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| Ubs Global Asset Management Americas | 272k | $11M | 108% | Mar 2026 |
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| Federated Investors | 270k | $11M | 3% | Mar 2026 |
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| Granite Investment Partners | 268k | $11M | -5% | Mar 2026 |
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| Visionary Wealth Advisors | 262k | $10M | 0% | Mar 2026 |
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| Congress Asset Management | 252k | $9.9M | 39% | Mar 2026 |
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| Vanguard Fiduciary Trust | 247k | $9.7M | 100% | Mar 2026 |
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| Adage Capital Partners GP | 244k | $10M | 11% | Dec 2025 |
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| Daniel D. Thurber | 243k | $9.6M | 11% | Mar 2026 |
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| Algert Coldiron Investors | 241k | $9.5M | 53% | Mar 2026 |
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| Principal Financial Group | 225k | $8.9M | 240% | Mar 2026 |
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| Bank of America Corporation | 222k | $8.7M | 100% | Mar 2026 |
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| Russell Investments | 214k | $8.4M | 45% | Mar 2026 |
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| Man Group | 210k | $8.3M | 76% | Mar 2026 |
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| Nuveen | 199k | $7.8M | 170% | Mar 2026 |
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| GAMCO Asset Management | 188k | $7.9M | -5% | Dec 2025 |
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| Captrust Financial Advisors | 186k | $7.7M | 100% | Dec 2025 |
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| Trexquant Investment | 171k | $6.7M | 30% | Mar 2026 |
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| Kornitzer Capital Management | 169k | $6.7M | -1% | Mar 2026 |
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| Canada Pension Plan Investment Board | 162k | $6.4M | -8% | Mar 2026 |
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| Rice Hall James & Associates | 147k | $5.8M | 1% | Mar 2026 |
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| CenterBook Partners | 133k | $5.2M | -1% | Mar 2026 |
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| Sei Investments | 131k | $5.2M | 39% | Mar 2026 |
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| Public Sector Pension Investment Board | 128k | $5.0M | 128% | Mar 2026 |
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| Invesco | 124k | $4.9M | 153% | Mar 2026 |
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| Thomas Stevens, CFA" | 122k | $4.8M | 608% | Mar 2026 |
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| Alta Capital Management | 121k | $4.7M | -40% | Mar 2026 |
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| Rockefeller Capital Management | 119k | $4.7M | 3% | Mar 2026 |
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| DePrince Race & Zollo | 119k | $4.7M | 65% | Mar 2026 |
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| Redmond Asset Management | 119k | $4.7M | -5% | Mar 2026 |
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| HighTower Advisors | 118k | $4.7M | -4% | Mar 2026 |
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| Crawford Investment Counsel | 118k | $4.9M | 13% | Dec 2025 |
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| PDT Partners | 117k | $4.6M | -6% | Mar 2026 |
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| Isthmus Partners | 116k | $4.6M | -5% | Mar 2026 |
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| Uniplan Investment Counsel | 115k | $4.8M | -5% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 113k | $4.4M | -49% | Mar 2026 |
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| SG Capital Management | 107k | $4.2M | 44% | Mar 2026 |
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| American Century Companies | 103k | $4.3M | 4% | Dec 2025 |
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| Voloridge Investment Management | 99k | $3.9M | -47% | Mar 2026 |
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| Marshall Wace | 98k | $4.1M | 5% | Dec 2025 |
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| Stifel Financial | 94k | $3.7M | -3% | Mar 2026 |
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| Rhumbline Advisers | 94k | $3.7M | 109% | Mar 2026 |
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| Walleye Trading Advisors | 89k | $3.5M | 49% | Mar 2026 |
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| Two Sigma Investments | 86k | $3.4M | 224% | Mar 2026 |
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| Legal & General Group | 83k | $3.3M | 119% | Mar 2026 |
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| First National Bank Of Omaha | 80k | $3.2M | -1% | Mar 2026 |
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| Thrivent Financial for Lutherans | 75k | $2.9M | 47% | Mar 2026 |
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| New York State Common Retirement Fund | 73k | $2.9M | 0% | Mar 2026 |
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| Linden Thomas Advisory Services | 73k | $2.9M | 64% | Mar 2026 |
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| First National Advisers | 72k | $2.8M | -13% | Mar 2026 |
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| Swiss National Bank | 70k | $2.8M | 0% | Mar 2026 |
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| Citadel Advisors | 70k | $2.7M | -53% | Mar 2026 |
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| Barclays | 69k | $2.9M | 25% | Dec 2025 |
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| Engineers Gate Manager | 68k | $2.8M | 2% | Dec 2025 |
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| Hrt Financial | 66k | $2.6M | -26% | Mar 2026 |
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| Ameriprise Financial | 65k | $2.5M | 100% | Mar 2026 |
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| Verition Fund Management | 64k | $2.6M | -22% | Dec 2025 |
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| Allianz Asset Management | 61k | $2.4M | -24% | Mar 2026 |
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| Y-Intercept | 59k | $2.3M | 113% | Mar 2026 |
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| Bridge City Capital | 59k | $2.3M | -1% | Mar 2026 |
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| Jump Financial | 57k | $2.4M | -37% | Dec 2025 |
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| Voleon Capital Management | 53k | $2.1M | -36% | Mar 2026 |
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| Teachers Retirement System Of The State Of Kentucky | 52k | $2.0M | 21% | Mar 2026 |
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| Divisadero Street Capital Management | 51k | $2.0M | -94% | Mar 2026 |
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| UBS Group | 51k | $2.0M | -28% | Mar 2026 |
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| California State Teachers Retirement System | 49k | $1.9M | 37% | Mar 2026 |
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| Gotham Asset Management | 46k | $1.8M | 125% | Mar 2026 |
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| CBOE Vest Financial | 45k | $1.8M | 100% | Mar 2026 |
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| Seizert Capital Partners | 45k | $1.8M | 1% | Mar 2026 |
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| Victory Capital Management | 40k | $1.7M | 100% | Dec 2025 |
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| Healthcare Of Ontario Pension Plan Trust Fund | 39k | $1.6M | 100% | Dec 2025 |
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| Hennion & Walsh Asset Management | 38k | $1.5M | 9% | Mar 2026 |
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| Ieq Capital | 38k | $1.6M | -21% | Dec 2025 |
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| Hantz Financial Services | 38k | $1.5M | -49% | Mar 2026 |
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| Alliancebernstein | 38k | $1.6M | -10% | Mar 2026 |
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| Creative Planning | 37k | $1.5M | 16% | Mar 2026 |
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| Laurus Investment Counsel | 35k | $1.4M | -17% | Mar 2026 |
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| GSA Capital Partners | 33k | $1.3M | -2% | Mar 2026 |
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| Winton Capital | 33k | $1.3M | 100% | Mar 2026 |
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| Florida State Board of Administration | 32k | $1.3M | 157% | Mar 2026 |
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| Deutsche Bank Aktiengesellschaft | 32k | $1.2M | -69% | Mar 2026 |
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| Susquehanna International | 29k | $1.2M | -26% | Dec 2025 |
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| Heritage Investors Management Corp. | 29k | $1.1M | 0% | Mar 2026 |
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| LPL Financial | 29k | $1.1M | -8% | Mar 2026 |
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| Balyasny Asset Management | 28k | $1.1M | 39% | Mar 2026 |
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| Integrated Quantitative Investments | 27k | $1.1M | 467% | Mar 2026 |
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| Zurcher Kantonalbank | 27k | $1.1M | 246% | Mar 2026 |
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| Jennifer Ranahan | 27k | $1.0M | -12% | Mar 2026 |
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| Twinbeech Capital | 26k | $1.0M | 100% | Mar 2026 |
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| Vanguard Asset Management | 25k | $985k | 100% | Mar 2026 |
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| Raffles Associates | 24k | $962k | 0% | Mar 2026 |
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| Alaska Retirement Management Board | 24k | $952k | 263% | Mar 2026 |
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| SG Americas Securities | 24k | $954k | -43% | Mar 2026 |
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| Teacher Retirement System Of Texas | 24k | $945k | 38% | Mar 2026 |
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| State of Tennessee, Treasury Department | 24k | $927k | 209% | Mar 2026 |
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| Magnetar Financial | 23k | $894k | 52% | Mar 2026 |
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| Franklin Resources | 22k | $854k | -4% | Mar 2026 |
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| Cetera Investment Advisers | 22k | $849k | -6% | Mar 2026 |
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| Wells Fargo & Company | 22k | $845k | -48% | Mar 2026 |
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| Cambridge Investment Research Advisors | 21k | $841k | 0% | Mar 2026 |
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| Hsbc Holdings | 21k | $825k | -9% | Mar 2026 |
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| Gabelli Funds | 20k | $834k | 0% | Dec 2025 |
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| Quantinno Capital Management | 20k | $767k | 3% | Mar 2026 |
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| MetLife Investment Advisors | 19k | $807k | -5% | Dec 2025 |
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| Ellsworth Advisors | 19k | $740k | 100% | Mar 2026 |
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| Leucadia National Corporation | 19k | $731k | 210% | Mar 2026 |
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| Klp Kapitalforvaltning As | 18k | $727k | 0% | Mar 2026 |
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| CWM | 18k | $745k | -8% | Dec 2025 |
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| Harbor Capital Advisors | 18k | $702k | 100% | Mar 2026 |
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| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 18k | $701k | -3% | Mar 2026 |
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| Vanguard Global Advisers | 18k | $693k | 100% | Mar 2026 |
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| HPM Partners | 17k | $686k | 1% | Mar 2026 |
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| Mirae Asset Global Etfs Holdings | 16k | $637k | 1% | Mar 2026 |
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| Fifth Third Bancorp | 16k | $626k | 100% | Mar 2026 |
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| Louisiana State Employees Retirement System | 16k | $622k | 100% | Mar 2026 |
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| Manufacturers Life Insurance Company | 16k | $613k | -2% | Mar 2026 |
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| Branch Banking & Trust Company | 15k | $605k | -13% | Mar 2026 |
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| Neuberger Berman Group | 15k | $617k | -6% | Dec 2025 |
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| Millennium Management | 15k | $575k | -80% | Mar 2026 |
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| Lazard Asset Management | 14k | $564k | 6% | Mar 2026 |
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| Snowden Capital Advisors | 14k | $585k | -10% | Dec 2025 |
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| Financiere des Professionnels - Fonds d,investissement | 14k | $543k | 100% | Mar 2026 |
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| Pathstone Holdings | 14k | $539k | 2% | Mar 2026 |
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| Dynamic Technology Lab Private | 14k | $539k | 118% | Mar 2026 |
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| CI Private Wealth | 11k | $449k | -52% | Mar 2026 |
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| Intech Investment Management | 10k | $401k | -35% | Mar 2026 |
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| Campbell & Co. Investment Adviser | 5.6k | $219k | -76% | Mar 2026 |
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| FMR | 4.5k | $187k | -95% | Dec 2025 |
|
| Great-West Life Assurance Company | 3.4k | $140k | -80% | Dec 2025 |
|
| Quantbot Technologies | 1.8k | $72k | -91% | Mar 2026 |
|
Who sold out of Napco Security Systems?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Jpmorgan Chase & Co | Sep 2025 | 257k | $11M |
| Tudor Investment Corporation | Dec 2025 | 201k | $8.4M |
| Danske Bank A/s | Dec 2025 | 130k | $5.4M |
| 4D Advisors | Dec 2025 | 100k | $4.2M |
| D. E. Shaw & Co | Dec 2025 | 75k | $3.1M |
| Acadian Asset Management | Dec 2025 | 61k | $2.5M |
| Peak6 | Dec 2025 | 44k | $1.8M |
| None | Dec 2025 | 42k | $1.7M |
| Jane Street | Dec 2025 | 36k | $1.5M |
| Quest Partners | Dec 2025 | 33k | $1.4M |
| Two Sigma Advisers | Dec 2025 | 28k | $1.2M |
| Norges Bank Investment Management | Dec 2025 | 23k | $956k |