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ZSTK

ZeroStack Corp
ZSTK

21 hedge funds and large institutions have $334K invested in ZeroStack Corp in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 3 increasing their positions, 1 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 1

50% more first-time investments, than exits

New positions opened: 6 | Existing positions closed: 4

11% more funds holding

Funds holding: 19 → 21 (+2)

0.01% less ownership

Funds ownership: 0.08% → 0.07% (-0.01%)

41% less capital invested

Capital invested by funds: $567K → $334K (-$233K)

Holders
21
Holders Change
+2
Holders Change %
+10.53%
% of All Funds
0.28%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
3
Reduced
1
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Geode Capital Management
Geode Capital Management
Massachusetts
+$28.1K
2
XT
XTX Topco
Cayman Islands
+$19.1K
3
EMCIP
Ewing Morris & Co Investment Partners
Ontario, Canada
+$15.2K
4
TSS
Two Sigma Securities
New York
+$8.84K
5
UBS Group
UBS Group
Switzerland
+$3.42K

Top Sellers

Rank Fund Capital Flow
1
VF
Virtu Financial
New York
-$43K
2
Renaissance Technologies
Renaissance Technologies
New York
-$26.8K
3
HF
HRT Financial
New York
-$23K
4
AWM
Avior Wealth Management
Nebraska
-$61
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$56
Name Holding Trade Value Shares
Change 		Change in
Stake
Geode Capital Management
1
Geode Capital Management
Massachusetts
$100K +$28.1K +888 +26%
Vanguard Group
2
Vanguard Group
Pennsylvania
$53.7K – – –
Renaissance Technologies
3
Renaissance Technologies
New York
$49.6K -$26.8K -846 -29%
AI
4
AdvisorShares Investments
Maryland
$42.2K – – –
State Street
5
State Street
Massachusetts
$22.1K – – –
EMCIP
6
Ewing Morris & Co Investment Partners
Ontario, Canada
$16.3K +$15.2K +479 New
XT
7
XTX Topco
Cayman Islands
$14.2K +$19.1K +603 New
UBS Group
8
UBS Group
Switzerland
$10.5K +$3.42K +108 +32%
Northern Trust
9
Northern Trust
Illinois
$9.93K – – –
Morgan Stanley
10
Morgan Stanley
New York
$7.13K – – –
TSS
11
Two Sigma Securities
New York
$6.59K +$8.84K +279 New
BWM
12
Bernard Wealth Management
Michigan
$303 – – –
SIS
13
Sound Income Strategies
Florida
$303 – – –
Osaic Holdings
14
Osaic Holdings
Arizona
$234 – – –
Barclays
15
Barclays
United Kingdom
$191 +$254 +8 New
GFPC
16
Global Financial Private Client
Florida
$150 – – –
Bank of America
17
Bank of America
North Carolina
$104 +$32 +1 +33%
Wells Fargo
18
Wells Fargo
California
$37 +$63 +2 New
TFA
19
Toth Financial Advisory
Virginia
$28 – – –
BlackRock
20
BlackRock
New York
$18 +$32 +1 New
SS
21
SBI Securities
Japan
$7 – – –
IA
22
IFP Advisors
Florida
$6 – – –
DB
23
Danske Bank
Denmark
$1 – – –
VF
24
Virtu Financial
New York
– -$43K -1,064 Closed
HF
25
HRT Financial
New York
– -$23K -588 Closed
1
2

ZSTK Hedge Fund Activity: Q1 2025 in Review

21 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in ZeroStack Corp (ZSTK) for Q1 2025, worth a combined $334K — down 41% from $567K a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new ZSTK positions and 4 closed out — a net gain of 2 holders — while 3 added to existing stakes and 1 trimmed.

The largest buyer was Geode Capital Management, adding an estimated $28.1K. The largest seller was Virtu Financial, exiting entirely with an estimated $43K sold.

  • 21 institutional investors held ZeroStack Corp (ZSTK) as of Q1 2025, up from 19 in Q4 2024.
  • Funds reported $334K of ZeroStack Corp stock for Q1 2025, down 41% quarter-over-quarter.
  • 6 funds opened new ZeroStack Corp positions in Q1 2025 and 4 closed out, a net change of +2 holders.
  • The largest ZeroStack Corp buyer in Q1 2025 was Geode Capital Management, an estimated $28.1K added.
  • The largest ZeroStack Corp seller in Q1 2025 was Virtu Financial, an estimated $43K sold.

Based on aggregated 13F filings for Q1 2025.