Citigroup
ZSTK

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
2026
Q2 		$3 Buy
+1
New +$5 ﹤0.01% 5638
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

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $85.1B AUM 27.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return
KFI
Key Financial Inc West Chester, Pennsylvania $611M AUM 21.11% 1-Year Est. Return

Citigroup's ZSTK Position: Q2 2026 in Review

Citigroup opened a new position in ZeroStack Corp (ZSTK) in Q2 2026: 1 share worth $3. The stake represents ﹤0.01% of the portfolio and ranks #5638 among its holdings. This is a return to the name: Citigroup previously reported a position in ZSTK as recently as Q3 2025.

Citigroup first reported a position in ZSTK in Q2 2022 and has held it in 3 quarters since. The position peaked at $2.42K in Q3 2025. 11 funds tracked by Wall St. Rank hold ZSTK as of Q2 2026.

  • Citigroup held 1 share of ZeroStack Corp worth $3 as of Q2 2026.
  • ZeroStack Corp was a new Citigroup position in Q2 2026.
  • ZeroStack Corp made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #5638 holding.
  • Citigroup first reported a position in ZeroStack Corp in Q2 2022 and has held it in 3 quarters since.
  • Citigroup's ZeroStack Corp position peaked at $2.42K in Q3 2025.
  • 11 funds tracked by Wall St. Rank held ZeroStack Corp as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.