BlackRock
ZSTK

BlackRock’s ZeroStack Corp ZSTK Stock Holding History

BlackRock’s Portfolio ZSTK Stock Details ZSTK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-1
Closed -$13 – 5568
2025
Q3 		$13 Hold
1
– – ﹤0.01% 5433
2025
Q2 		$17 Hold
1
– – ﹤0.01% 5436
2025
Q1 		$18 Buy
+1
New +$32 ﹤0.01% 5405

Other funds holding ZSTK

TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BWM
Bernard Wealth Management Royal Oak, Michigan $234M AUM 27.82% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
KFI
Key Financial Inc West Chester, Pennsylvania $611M AUM 21.11% 1-Year Est. Return

BlackRock's ZSTK Position: Q4 2025 in Review

BlackRock sold out of ZeroStack Corp (ZSTK) in Q4 2025, closing a stake of 1 share — an estimated $13 sold.

BlackRock first reported a position in ZSTK in Q1 2025 and held it in 3 quarters. The position peaked at $18 in Q1 2025. 8 funds tracked by Wall St. Rank hold ZSTK as of Q4 2025.

  • BlackRock reported no remaining ZeroStack Corp position as of Q4 2025 after selling out during the quarter.
  • BlackRock sold 1 ZeroStack Corp share in Q4 2025, an estimated $13.
  • BlackRock first reported a position in ZeroStack Corp in Q1 2025 and held it in 3 quarters.
  • BlackRock's ZeroStack Corp position peaked at $18 in Q1 2025.
  • 8 funds tracked by Wall St. Rank held ZeroStack Corp as of Q4 2025.

Based on BlackRock's 13F filing for Q4 2025, filed 12 Feb 2026.