STAK Inc
STAK
3 hedge funds and large institutions have $59.1K invested in STAK Inc in 2025 Q3 according to their latest regulatory filings, with 2 funds opening new positions, 0 increasing their positions, 1 reducing their positions, and 1 closing their positions.
100% more first-time investments, than exits
New positions opened: 2 | Existing positions closed: 1
50% more funds holding
Funds holding: 2 → 3 (+1)
15% more capital invested
Capital invested by funds: $51.2K → $59.1K (+$7.89K)
0.25% less ownership
Funds ownership: 0.25% → 0% (-0.25%)
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 1
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$57.3K |
| 2 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$32.3K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HF
HRT Financial
New York
|
-$29K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$10.5K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $35.2K | +$57.3K | +41,614 | New |
|
|
XT
2
XTX Topco
George Town,
Cayman Islands
| $19.9K | +$32.3K | +23,511 | New |
|
|
3
UBS Group
Zurich,
Switzerland
| $4.06K | -$10.5K | -7,667 | -61% |
|
|
HF
4
HRT Financial
New York
| – | -$29K | -16,360 | Closed |
|
STAK Hedge Fund Activity: Q3 2025 in Review
3 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in STAK Inc (STAK) for Q3 2025, worth a combined $59.1K — up 15% from $51.2K a quarter earlier.
Buyers outnumbered sellers: 2 funds opened new STAK positions and 1 closed out — a net gain of 1 holder — while 0 added to existing stakes and 1 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $57.3K. The largest seller was HRT Financial, exiting entirely with an estimated $29K sold.
- 3 institutional investors held STAK Inc (STAK) as of Q3 2025, up from 2 in Q2 2025.
- Funds reported $59.1K of STAK Inc stock for Q3 2025, up 15% quarter-over-quarter.
- 2 funds opened new STAK Inc positions in Q3 2025 and 1 closed out, a net change of +1 holder.
- The largest STAK Inc buyer in Q3 2025 was Citadel Advisors, an estimated $57.3K added.
- The largest STAK Inc seller in Q3 2025 was HRT Financial, an estimated $29K sold.
Based on aggregated 13F filings for Q3 2025.