STAK Inc
STAK
4 hedge funds and large institutions have $38.9K invested in STAK Inc in 2025 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 0 closing their positions.
100% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 1
33% more funds holding
Funds holding: 3 → 4 (+1)
2.43% more ownership
Funds ownership: 0% → 2.43% (+2.4%)
34% less capital invested
Capital invested by funds: $59.1K → $38.9K (-$20.2K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$7.49K |
| 2 |
MC
Moors & Cabot
Boston,
Massachusetts
|
+$5.99K |
| 3 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$4.96K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$1.97K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $21.6K | +$7.49K | +12,511 | +30% |
|
|
XT
2
XTX Topco
George Town,
Cayman Islands
| $12.7K | +$4.96K | +8,287 | +35% |
|
|
MC
3
Moors & Cabot
Boston,
Massachusetts
| $3.99K | +$5.99K | +10,000 | New |
|
|
4
UBS Group
Zurich,
Switzerland
| $604 | -$1.97K | -3,291 | -68% |
|
STAK Hedge Fund Activity: Q4 2025 in Review
4 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in STAK Inc (STAK) for Q4 2025, worth a combined $38.9K — down 34% from $59.1K a quarter earlier.
Buyers outnumbered sellers: 1 fund opened new STAK positions and 0 closed out — a net gain of 1 holder — while 2 added to existing stakes and 1 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $7.49K. The largest seller was UBS Group, cutting an estimated $1.97K.
- 4 institutional investors held STAK Inc (STAK) as of Q4 2025, up from 3 in Q3 2025.
- Funds reported $38.9K of STAK Inc stock for Q4 2025, down 34% quarter-over-quarter.
- 1 fund opened new STAK Inc positions in Q4 2025 and 0 closed out, a net change of +1 holder.
- The largest STAK Inc buyer in Q4 2025 was Citadel Advisors, an estimated $7.49K added.
- The largest STAK Inc seller in Q4 2025 was UBS Group, an estimated $1.97K sold.
Based on aggregated 13F filings for Q4 2025.