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Madison Square shares owned by Islander Capital Partners

Quarter-by-quarter ownership of Madison Square (SPHR) shares owned by Islander Capital Partners from 13F filings

Historical chart of Islander Capital Partners investment in Madison Square

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All positions including Madison Square held by Islander Capital Partners consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Madison Square by Islander Capital Partners

Quarter filed Position value Share count Share price at filing
2026-03-31 $26M 220k 117.40

More positions owned by Islander Capital Partners

Affirm Hldgs Com Cl A (AFRM)
Spotify Technology S A SHS (SPOT)
Roblox Corp Cl A (RBLX)
Sphere Entertainment Cl A (SPHR)
Klaviyo Com Ser A (KVYO)
Shopify Cl A Sub Vtg Shs (SHOP)
Netflix (NFLX)
Paramount Skydance Corp Com Cl B Put Option (PSKY)
TransDigm Group Incorporated (TDG)
Tko Group Holdings Cl A (TKO)
Doordash Cl A (DASH)
Amazon (AMZN)
Uber Technologies (UBER)
Take-Two Interactive Software (TTWO)
Liberty Media Corp Del Com Lbty One S C (FWONK)

View all positions for Islander Capital Partners

Top funds holding Madison Square

BlackRock
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Vanguard Portfolio Management
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Dimensional Fund Advisors
GAMCO Asset Management
Susquehanna International
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Steadfast Capital Management
Two Sigma Investments
Citadel Advisors
State Street Corporation

View all funds holding Madison Square