Citigroup’s ZeroStack Corp ZSTK Stock Holding History

Citigroup’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	-140	Closed	-$2.42K	–	6182
2025 Q3	$2.42K	Buy	+140	New	+$3.23K	﹤0.01%	5436
2022 Q3	–	Sell	-2	Closed	-$1K	–	5980
2022 Q2	$1K	Buy	+2	New	+$1.9K	﹤0.01%	6017

Other funds holding ZSTK

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

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 Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

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

Citigroup's ZSTK Position: Q4 2025 in Review

Citigroup sold out of ZeroStack Corp (ZSTK) in Q4 2025, closing a stake of 140 shares — an estimated $2.42K sold.

Citigroup first reported a position in ZSTK in Q2 2022 and held it in 2 quarters. The position peaked at $2.42K in Q3 2025. 8 funds tracked by Wall St. Rank hold ZSTK as of Q4 2025.

Citigroup reported no remaining ZeroStack Corp position as of Q4 2025 after selling out during the quarter.
Citigroup sold 140 ZeroStack Corp shares in Q4 2025, an estimated $2.42K.
Citigroup first reported a position in ZeroStack Corp in Q2 2022 and held it in 2 quarters.
Citigroup's ZeroStack Corp position peaked at $2.42K in Q3 2025.
8 funds tracked by Wall St. Rank held ZeroStack Corp as of Q4 2025.

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