System1
54 hedge funds and large institutions have $13.2M invested in System1 in 2025 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 18 increasing their positions, 12 reducing their positions, and 7 closing their positions.
50% more repeat investments, than reductions
Existing positions increased: 18 | Existing positions reduced: 12
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.34% less ownership
Funds ownership: 4.98% → 4.64% (-0.34%)
7% less funds holding
Funds holding: 58 → 54 (-4)
57% less first-time investments, than exits
New positions opened: 3 | Existing positions closed: 7
58% less capital invested
Capital invested by funds: $31.6M → $13.2M (-$18.4M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$72.9K |
| 2 |
Northern Trust
Chicago,
Illinois
|
+$30.5K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$13.7K |
| 4 |
Jane Street
New York
|
+$13.4K |
| 5 |
Group One Trading
Chicago,
Illinois
|
+$12.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AA
Ancora Advisors
Cleveland,
Ohio
|
-$175K |
| 2 |
PRCP
Pacific Ridge Capital Partners
Lake Oswego,
Oregon
|
-$125K |
| 3 |
Millennium Management
New York
|
-$101K |
| 4 |
TSS
Two Sigma Securities
New York
|
-$65.5K |
| 5 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$49.1K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
EWA
51
EverSource Wealth Advisors
Birmingham,
Alabama
| $50 | +$80 | +13 | New |
|
|
WBC
52
West Branch Capital
Amherst,
Massachusetts
| $44 | – | – | – |
|
|
SCM
53
Sterling Capital Management
Charlotte,
North Carolina
| $9 | – | – | – |
|
|
AA
54
Ancora Advisors
Cleveland,
Ohio
| – | -$175K | -19,433 | Closed |
|
|
PRCP
55
Pacific Ridge Capital Partners
Lake Oswego,
Oregon
| – | -$125K | -13,863 | Closed |
|
|
56
Millennium Management
New York
| – | -$101K | -11,285 | Closed |
|
|
TSS
57
Two Sigma Securities
New York
| – | -$65.5K | -7,288 | Closed |
|
|
EGM
58
Engineers Gate Manager
New York
| – | -$46K | -5,121 | Closed |
|
59
Prudential Financial
Newark,
New Jersey
| – | -$44.8K | -4,991 | Closed |
|
60
Citadel Advisors
Miami,
Florida
| – | -$10.6K | -1,731 | Closed |
|
SST Hedge Fund Activity: Q1 2025 in Review
54 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in System1 (SST) for Q1 2025, worth a combined $13.2M — down 58% from $31.6M a quarter earlier.
Sellers outnumbered buyers: 7 funds closed out of SST and 3 opened new positions — a net loss of 4 holders — while 12 trimmed existing stakes and 18 added.
The largest buyer was GSA Capital Partners, opening a new position worth an estimated $72.9K. The largest seller was Ancora Advisors, exiting entirely with an estimated $175K sold.
- 54 institutional investors held System1 (SST) as of Q1 2025, down from 58 in Q4 2024.
- Funds reported $13.2M of System1 stock for Q1 2025, down 58% quarter-over-quarter.
- 3 funds opened new System1 positions in Q1 2025 and 7 closed out, a net change of -4 holders.
- The largest System1 buyer in Q1 2025 was GSA Capital Partners, an estimated $72.9K added.
- The largest System1 seller in Q1 2025 was Ancora Advisors, an estimated $175K sold.
Based on aggregated 13F filings for Q1 2025.