Who owns Ironwood Pharmaceuticals?
- Ticker: IRWD
- CUSIP Number: 46333X108
Tip: Access positions for across all investors
Analyze quarterly positions in Ironwood Pharmaceuticals with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Ironwood Pharmaceuticals stock
Who bought or sold Ironwood Pharmaceuticals this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Vanguard Group | 16M | $54M | -1% | Dec 2025 |
|
| Armistice Capital | 15M | $53M | -7% | Mar 2026 |
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| BlackRock | 13M | $47M | 5% | Mar 2026 |
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| UBS Group | 12M | $43M | 4% | Mar 2026 |
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| Sarissa Capital Management | 9.2M | $32M | -42% | Mar 2026 |
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| Bank of America Corporation | 8.7M | $31M | 100% | Mar 2026 |
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| Renaissance Technologies | 8.2M | $28M | -2% | Dec 2025 |
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| AQR Capital Management | 7.5M | $26M | 60% | Mar 2026 |
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| Vanguard Portfolio Management | 6.7M | $24M | 100% | Mar 2026 |
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| Acadian Asset Management | 6.6M | $23M | 2% | Mar 2026 |
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| Vanguard Capital Management | 6.1M | $21M | 100% | Mar 2026 |
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| Two Sigma Investments | 5.8M | $21M | 105% | Mar 2026 |
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| Charles Schwab Investment Management | 5.0M | $17M | 1% | Dec 2025 |
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| Geode Capital Management | 4.5M | $16M | 25% | Mar 2026 |
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| Marshall Wace | 4.4M | $15M | 41% | Dec 2025 |
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| State Street Corporation | 4.4M | $15M | 40% | Dec 2025 |
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| Jacobs Levy Equity Management | 3.6M | $13M | 32% | Mar 2026 |
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| Federated Investors | 3.3M | $12M | 1% | Mar 2026 |
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| Goldman Sachs Group | 2.7M | $9.4M | 111% | Mar 2026 |
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| Dimensional Fund Advisors | 2.1M | $7.3M | 529% | Mar 2026 |
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| Connor, Clark & Lunn Investment Management | 1.8M | $6.4M | -8% | Mar 2026 |
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| Qube Research & Technologies | 1.7M | $5.7M | -40% | Dec 2025 |
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| Hillsdale Investment Management | 1.2M | $4.3M | 7% | Mar 2026 |
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| Northern Trust | 1.2M | $4.2M | -8% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 1.1M | $3.9M | 1% | Mar 2026 |
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| Vanguard Fiduciary Trust | 989k | $3.5M | 100% | Mar 2026 |
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| Raymond James Financial | 870k | $2.9M | 5681% | Dec 2025 |
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| Morgan Stanley | 825k | $2.9M | 12% | Mar 2026 |
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| Franklin Resources | 745k | $2.6M | 93% | Mar 2026 |
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| Sei Investments | 743k | $2.5M | 10% | Mar 2026 |
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| FMR | 687k | $2.3M | 23% | Dec 2025 |
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| Diadema Partners | 684k | $2.3M | 100% | Dec 2025 |
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| Jane Street | 662k | $2.3M | -77% | Mar 2026 |
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| GSA Capital Partners | 654k | $2.3M | 14% | Mar 2026 |
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| Exome Asset Management | 649k | $2.2M | 100% | Dec 2025 |
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| Ieq Capital | 633k | $2.1M | -4% | Dec 2025 |
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| Vanguard Global Advisers | 592k | $2.1M | 100% | Mar 2026 |
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| Mackenzie Financial | 560k | $2.0M | 4751% | Mar 2026 |
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| Integrated Quantitative Investments | 552k | $1.9M | 438% | Mar 2026 |
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| Invesco | 547k | $1.9M | 22% | Mar 2026 |
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| Man Group | 541k | $1.9M | 1035% | Mar 2026 |
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| WEDGE Capital Management L | 541k | $1.9M | 100% | Mar 2026 |
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| Susquehanna International | 515k | $1.7M | 432% | Dec 2025 |
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| CWM Advisors | 510k | $1.8M | 100% | Mar 2026 |
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| Thomas Stevens, CFA" | 509k | $1.8M | -20% | Mar 2026 |
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| Wellington Management Company | 504k | $1.7M | 100% | Dec 2025 |
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| Bridgeway Capital Management | 496k | $1.7M | 231% | Dec 2025 |
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| Bank of New York Mellon | 484k | $1.7M | -5% | Mar 2026 |
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| Millennium Management | 457k | $1.6M | -18% | Mar 2026 |
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| Prudential Financial | 450k | $1.6M | 219% | Mar 2026 |
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| Range Financial Group | 433k | $1.5M | 2% | Mar 2026 |
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| Arrowstreet Capital, Limited Partnership | 412k | $1.4M | 100% | Dec 2025 |
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| Amundi | 404k | $1.4M | -37% | Mar 2026 |
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| Barclays | 393k | $1.3M | 32% | Dec 2025 |
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| HPM Partners | 368k | $1.3M | 9% | Mar 2026 |
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| CM Management | 350k | $1.2M | 100% | Mar 2026 |
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| Robeco Institutional Asset Management B V | 343k | $1.2M | 0% | Mar 2026 |
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| Citadel Advisors | 316k | $1.1M | -15% | Mar 2026 |
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| LSV Asset Management | 308k | $1.1M | 3307% | Mar 2026 |
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| Toroso Investments | 305k | $1.1M | 100% | Mar 2026 |
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| Lazard Asset Management | 290k | $1.0M | -71% | Mar 2026 |
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| Segall Bryant & Hamill | 278k | $977k | 100% | Mar 2026 |
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| Russell Investments | 262k | $846k | -1% | Mar 2026 |
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| Globeflex Capital | 260k | $912k | 100% | Mar 2026 |
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| Winton Capital | 242k | $849k | 47% | Mar 2026 |
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| Walleye Trading Advisors | 234k | $822k | -56% | Mar 2026 |
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| Nuveen | 233k | $819k | 67% | Mar 2026 |
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| CWM | 233k | $785k | 0% | Dec 2025 |
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| OMERS Administration Corporation | 226k | $794k | 5% | Mar 2026 |
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| Mariner Wealth Advisors | 208k | $729k | 82% | Mar 2026 |
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| Martingale Asset Management | 205k | $720k | 100% | Mar 2026 |
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| Rhumbline Advisers | 193k | $677k | -3% | Mar 2026 |
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| Hennion & Walsh Asset Management | 185k | $648k | -6% | Mar 2026 |
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| State of Wisconsin Investment Board | 180k | $607k | 100% | Dec 2025 |
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| Creative Planning | 178k | $623k | 10% | Mar 2026 |
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| Klp Kapitalforvaltning As | 174k | $611k | 0% | Mar 2026 |
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| Alliancebernstein | 166k | $559k | -17% | Mar 2026 |
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| Fifth Third Bancorp | 165k | $580k | 100% | Mar 2026 |
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| Legato Capital Management | 156k | $548k | 100% | Mar 2026 |
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| Ing Investment Management | 146k | $512k | 407% | Mar 2026 |
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| Springbok Capital Management | 137k | $460k | 100% | Dec 2025 |
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| Canada Pension Plan Investment Board | 135k | $474k | -28% | Mar 2026 |
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| Quantinno Capital Management | 130k | $455k | 9% | Mar 2026 |
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| O'shaughnessy Asset Management | 128k | $450k | -56% | Mar 2026 |
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| State of Wyoming | 128k | $450k | -19% | Mar 2026 |
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| Mercer Global Advisors | 115k | $404k | 50% | Mar 2026 |
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| SG Americas Securities | 114k | $399k | 97% | Mar 2026 |
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| Cercano Management | 101k | $356k | 0% | Mar 2026 |
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| Ameriprise Financial | 99k | $349k | -17% | Mar 2026 |
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| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 97k | $342k | 27% | Mar 2026 |
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| ProFund Advisors | 97k | $342k | 267% | Mar 2026 |
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| Optimist Retirement Group | 95k | $333k | 58% | Mar 2026 |
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| Mirae Asset Global Etfs Holdings | 90k | $316k | 15% | Mar 2026 |
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| Comprehensive Portfolio Management | 88k | $307k | 100% | Mar 2026 |
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| MetLife Investment Advisors | 88k | $295k | 51% | Dec 2025 |
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| Pallas Capital Advisors | 81k | $283k | -8% | Mar 2026 |
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| Allspring Global Investments Holdings | 79k | $309k | 100% | Mar 2026 |
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| SmartHarvest Portfolios | 76k | $265k | 100% | Mar 2026 |
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| Virtus Investment Advisers | 74k | $250k | 100% | Dec 2025 |
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| CIBC World Markets | 71k | $250k | 0% | Mar 2026 |
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| JustInvest | 71k | $250k | -5% | Mar 2026 |
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| Ohio Pers | 68k | $229k | 12% | Dec 2025 |
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| EntryPoint Capital | 67k | $225k | 100% | Dec 2025 |
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| Rafferty Asset Management | 65k | $219k | 100% | Dec 2025 |
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| Captrust Financial Advisors | 64k | $215k | 1% | Dec 2025 |
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| Bank Of Montreal | 63k | $220k | 100% | Mar 2026 |
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| Buckingham Strategic Partners | 62k | $218k | 4% | Mar 2026 |
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| Wedbush Morgan Securities | 61k | $213k | -5% | Mar 2026 |
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| Wells Fargo & Company | 59k | $207k | -67% | Mar 2026 |
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| Schonfeld Strategic Advisors | 58k | $205k | 100% | Mar 2026 |
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| Virtus ETF Advisers | 58k | $204k | 0% | Mar 2026 |
|
| Universal- Beteiligungs- und Servicegesellschaft mbH | 56k | $197k | -29% | Mar 2026 |
|
| Scotia Capital | 55k | $194k | -18% | Mar 2026 |
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| Merit Financial Group | 55k | $192k | 11% | Mar 2026 |
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| D. E. Shaw & Co | 48k | $168k | -59% | Mar 2026 |
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| Bnp Paribas Arbitrage, Snc | 46k | $160k | 41% | Mar 2026 |
|
| Police & Firemen's Retirement System of New Jersey | 44k | $155k | 0% | Mar 2026 |
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| Colony | 44k | $148k | -2% | Dec 2025 |
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| XTX Topco | 44k | $148k | 290% | Dec 2025 |
|
| Manufacturers Life Insurance Company | 43k | $151k | -10% | Mar 2026 |
|
| New York State Common Retirement Fund | 42k | $147k | 0% | Mar 2026 |
|
| Citigroup | 39k | $138k | 100% | Mar 2026 |
|
| Intech Investment Management | 39k | $137k | -45% | Mar 2026 |
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| Engineers Gate Manager | 39k | $130k | -62% | Dec 2025 |
|
| Mirae Asset Global Investments | 37k | $129k | 2% | Mar 2026 |
|
| Krilogy Financial | 33k | $144k | 10% | Mar 2026 |
|
| Squarepoint Ops | 33k | $115k | -63% | Mar 2026 |
|
| nVerses Capital | 33k | $114k | 100% | Mar 2026 |
|
| Graham Capital Management | 31k | $108k | 100% | Mar 2026 |
|
| ProShare Advisors | 31k | $107k | -16% | Mar 2026 |
|
| Hsbc Holdings | 30k | $104k | 27% | Mar 2026 |
|
| Vise Technologies | 30k | $100k | 0% | Mar 2026 |
|
| China Universal Asset Management | 29k | $102k | 9% | Mar 2026 |
|
| Integrated Wealth Concepts | 29k | $100k | 150% | Mar 2026 |
|
| E Fund Management | 27k | $96k | 100% | Mar 2026 |
|
| Commonwealth Equity Services | 27k | $93k | 0% | Mar 2026 |
|
| Grimes & Company | 26k | $91k | 0% | Mar 2026 |
|
| Essential Partners | 22k | $78k | 0% | Mar 2026 |
|
| OVERSEA-CHINESE BANKING Corp | 22k | $75k | 0% | Mar 2026 |
|
| EverSource Wealth Advisors | 20k | $71k | 49% | Mar 2026 |
|
| Harvest Investment Services | 20k | $68k | 100% | Dec 2025 |
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| HighTower Advisors | 20k | $70k | 23% | Mar 2026 |
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| Chicago Partners Investment | 19k | $77k | 100% | Mar 2026 |
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| Victory Capital Management | 18k | $61k | 0% | Dec 2025 |
|
| Brian C. Broderick | 18k | $63k | 0% | Mar 2026 |
|
| Abacus Wealth Partners | 18k | $62k | 100% | Mar 2026 |
|
| NorthCrest Asset Manangement | 17k | $62k | 32% | Mar 2026 |
|
| Scientech Research | 16k | $56k | 100% | Mar 2026 |
|
| Evolve Private Wealth | 16k | $54k | 100% | Mar 2026 |
|
| Tower Research Capital | 15k | $51k | 59% | Dec 2025 |
|
| Legal & General Group | 14k | $50k | -14% | Mar 2026 |
|
| Abel Hall | 13k | $45k | -23% | Mar 2026 |
|
Who sold out of Ironwood Pharmaceuticals?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Two Sigma Advisers | Dec 2025 | 3.1M | $11M |
| Highbridge Capital Management | Sep 2025 | 537k | $704k |
| Persistent Asset Partners | Dec 2025 | 182k | $614k |
| Wealth Enhancement Advisory Services | Dec 2025 | 156k | $665k |
| Jpmorgan Chase & Co | Sep 2025 | 112k | $147k |
| Siren | Sep 2025 | 111k | $145k |
| Exchange Traded Concepts | Dec 2025 | 77k | $258k |
| Balyasny Asset Management | Dec 2025 | 65k | $220k |
| PanAgora Asset Management | Dec 2025 | 54k | $183k |
| Requisite Capital Management | Sep 2025 | 32k | $42k |
| Jain Global | Dec 2025 | 30k | $101k |
| Simplex Trading | Sep 2025 | 21k | $27k |
| CIBC Bancorp USA | Sep 2025 | 17k | $22k |