Somnigroup International
549 hedge funds and large institutions have $18.7B invested in Somnigroup International in 2025 Q4 according to their latest regulatory filings, with 111 funds opening new positions, 213 increasing their positions, 162 reducing their positions, and 40 closing their positions.
178% more first-time investments, than exits
New positions opened: 111 | Existing positions closed: 40
146% more call options, than puts
Call options by funds: $46.8M | Put options by funds: $19M
31% more repeat investments, than reductions
Existing positions increased: 213 | Existing positions reduced: 162
14% more funds holding
Funds holding: 483 → 549 (+66)
3% more capital invested
Capital invested by funds: $18.1B → $18.7B (+$544M)
2.8% less ownership
Funds ownership: 102.41% → 99.61% (-2.8%)
16% less funds holding in top 10
Funds holding in top 10: 37 → 31 (-6)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Artisan Partners
Milwaukee,
Wisconsin
|
+$268M |
| 2 |
Squarepoint
New York
|
+$60.3M |
| 3 |
Jane Street
New York
|
+$57M |
| 4 |
SEI Investments
Oaks,
Pennsylvania
|
+$52.3M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
+$51.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BW
Browning West
Los Angeles,
California
|
-$293M |
| 2 |
SHCM
Sachem Head Capital Management
New York
|
-$216M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
-$163M |
| 4 |
Select Equity Group
New York
|
-$112M |
| 5 |
EC
Eminence Capital
New York
|
-$103M |
SGI Hedge Fund Activity: Q4 2025 in Review
549 of the 8,266 institutional investors tracked by Wall St. Rank reported a position in Somnigroup International (SGI) for Q4 2025, worth a combined $18.7B — up 3% from $18.1B a quarter earlier.
Buyers outnumbered sellers: 111 funds opened new SGI positions and 40 closed out — a net gain of 71 holders — while 213 added to existing stakes and 162 trimmed.
The largest buyer was Artisan Partners, opening a new position worth an estimated $268M. The largest seller was Browning West, cutting an estimated $293M.
- 549 institutional investors held Somnigroup International (SGI) as of Q4 2025, up from 483 in Q3 2025.
- Funds reported $18.7B of Somnigroup International stock for Q4 2025, up 3% quarter-over-quarter.
- 111 funds opened new Somnigroup International positions in Q4 2025 and 40 closed out, a net change of +71 holders.
- The largest Somnigroup International buyer in Q4 2025 was Artisan Partners, an estimated $268M added.
- The largest Somnigroup International seller in Q4 2025 was Browning West, an estimated $293M sold.
Based on aggregated 13F filings for Q4 2025.