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Blackrock shares owned by Twin Tree Management

Quarter-by-quarter ownership of Blackrock (BLK) shares owned by Twin Tree Management from 13F filings

Historical chart of Twin Tree Management investment in Blackrock

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All positions including Blackrock held by Twin Tree Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Blackrock by Twin Tree Management

Quarter filed Position value Share count Share price at filing
2025-06-30 $839k 800 1049.25
2025-03-31 $43M 45k 946.48
2024-12-31 $96M 93k 1025.11

More positions owned by Twin Tree Management

Ssga Active Trust Tr Unit Call Option (SPY)
Spdr Gold Trust Gold Shs Call Option (GLD)
Blackrock Institutional Trus Ishares New Call Option (IAU)
Apple Call Option (AAPL)
Micron Technology Call Option (MU)
Tesla Motors Call Option (TSLA)
Advanced Micro Devices Call Option (AMD)
Oracle Corporation Call Option (ORCL)
Blackrock Institutional Trus Ishares Semicdtr Call Option (SOXX)
Applied Materials Call Option (AMAT)
Ssga Active Trust Sbi Healthcare Call Option (XLV)
Vaneck Etf Trust Gold Miners Etf Call Option (GDX)
Asml Holding Nv N Y Registry Shs Call Option (ASML)
Dell Technologies CL C Call Option (DELL)
International Business Machines Call Option (IBM)

View all positions for Twin Tree Management

Top funds holding Blackrock

Vanguard Group
BlackRock
State Street Corporation
Temasek Holdings
Capital Research Global Investors
Morgan Stanley
Capital World Investors
Geode Capital Management
Wells Fargo & Company
FMR
Fisher Investments
Capital Research and Management Company - Division 3
Franklin Resources
Ameriprise Financial
Northern Trust

View all funds holding Blackrock