System1
21 hedge funds and large institutions have $1.38M invested in System1 in 2026 Q2 according to their latest regulatory filings, with 7 funds opening new positions, 3 increasing their positions, 5 reducing their positions, and 10 closing their positions.
2.95% less ownership
Funds ownership: 10.23% → 7.28% (-3%)
16% less funds holding
Funds holding: 25 → 21 (-4)
30% less first-time investments, than exits
New positions opened: 7 | Existing positions closed: 10
40% less repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 5
45% less capital invested
Capital invested by funds: $2.5M → $1.38M (-$1.12M)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Capital Management
Malvern,
Pennsylvania
|
+$284K |
| 2 |
CGA
Crescent Grove Advisors
Lake Forest,
Illinois
|
+$237K |
| 3 |
BlackRock
New York
|
+$60K |
| 4 |
Morgan Stanley
New York
|
+$41.2K |
| 5 |
LSA
Leonteq Securities AG
Zurich,
Switzerland
|
+$39.2K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CH
Cannae Holdings
Las Vegas,
Nevada
|
-$1.08M |
| 2 |
Millennium Management
New York
|
-$98.5K |
| 3 |
NMC
Nine Masts Capital
Central,
Hong Kong
|
-$56K |
| 4 |
Renaissance Technologies
New York
|
-$55.3K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
-$35.5K |
SST Hedge Fund Activity: Q2 2026 in Review
21 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in System1 (SST) for Q2 2026, worth a combined $1.38M — down 45% from $2.5M a quarter earlier.
Sellers outnumbered buyers: 10 funds closed out of SST and 7 opened new positions — a net loss of 3 holders — while 5 trimmed existing stakes and 3 added.
The largest buyer was Vanguard Capital Management, adding an estimated $284K. The largest seller was Cannae Holdings, exiting entirely with an estimated $1.08M sold.
- 21 institutional investors held System1 (SST) as of Q2 2026, down from 25 in Q1 2026.
- Funds reported $1.38M of System1 stock for Q2 2026, down 45% quarter-over-quarter.
- 7 funds opened new System1 positions in Q2 2026 and 10 closed out, a net change of -3 holders.
- The largest System1 buyer in Q2 2026 was Vanguard Capital Management, an estimated $284K added.
- The largest System1 seller in Q2 2026 was Cannae Holdings, an estimated $1.08M sold.
Based on aggregated 13F filings for Q2 2026.