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SGI

Somnigroup International

483 hedge funds and large institutions have $18.1B invested in Somnigroup International in 2025 Q3 according to their latest regulatory filings, with 100 funds opening new positions, 158 increasing their positions, 152 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

156% more first-time investments, than exits

New positions opened: 100 | Existing positions closed: 39

136% more call options, than puts

Call options by funds: $43.3M | Put options by funds: $18.4M

32% more funds holding in top 10

Funds holding in top 10: 2837 (+9)

16% more capital invested

Capital invested by funds: $15.6B → $18.1B (+$2.52B)

13% more funds holding

Funds holding: 427483 (+56)

4% more repeat investments, than reductions

Existing positions increased: 158 | Existing positions reduced: 152

7.47% less ownership

Funds ownership: 109.88%102.41% (-7.5%)

Holders
483
Holders Change
+56
Holders Change %
+13.11%
% of All Funds
6.34%
Holding in Top 10
37
Holding in Top 10 Change
+9
Holding in Top 10 Change %
+32.14%
% of All Funds
0.49%
New
100
Increased
158
Reduced
152
Closed
39
Calls
$43.3M
Puts
$18.4M
Net Calls
+$25M
Net Calls Change
+$5.98M
Name Holding Trade Value Shares
Change
Change in
Stake
SIM
51
SW Investment Management
Colorado
$48.5M -$2.76M -35,000 -6%
Squarepoint
52
Squarepoint
New York
$45.7M +$42.7M +542,432 New
Principal Financial Group
53
Principal Financial Group
Iowa
$45.7M -$8.46M -107,312 -17%
Citadel Advisors
54
Citadel Advisors
Florida
$43.2M -$62.5M -792,879 -61%
Envestnet Asset Management
55
Envestnet Asset Management
Illinois
$41.5M +$9.37M +118,892 +32%
AIM
56
Artemis Investment Management
United Kingdom
$41.2M -$40.2M -510,049 -51%
N
57
Nuveen
North Carolina
$40.6M -$1.49M -18,912 -4%
UBS AM
58
UBS AM
Illinois
$37.2M -$14.5M -183,431 -29%
ROC
59
Robertson Opportunity Capital
Texas
$37.1M
1SAMC
60
12th Street Asset Management Company
Tennessee
$36.8M -$653K -8,288 -2%
Natixis Advisors
61
Natixis Advisors
Massachusetts
$34.5M +$4.8M +60,911 +18%
Adage Capital Partners
62
Adage Capital Partners
Massachusetts
$34.1M -$3.15M -40,000 -9%
Barclays
63
Barclays
United Kingdom
$33M +$6.34M +80,480 +26%
Swiss National Bank
64
Swiss National Bank
Switzerland
$32.8M +$2.4M +30,500 +9%
BBCM
65
Broad Bay Capital Management
New York
$32M -$19.2M -243,385 -39%
California Public Employees Retirement System
66
California Public Employees Retirement System
California
$29.5M +$1.77M +22,474 +7%
MCM
67
Makena Capital Management
California
$29.1M -$5.16M -65,443 -16%
ACM
68
Anabranch Capital Management
Connecticut
$27.9M -$9.79M -124,300 -27%
Legal & General Group
69
Legal & General Group
United Kingdom
$27.8M +$357K +4,528 +1%
Marshall Wace
70
Marshall Wace
United Kingdom
$24.1M +$22.5M +285,499 New
Raymond James Financial
71
Raymond James Financial
Florida
$23.6M -$1.08M -13,721 -5%
GP
72
Greenstone Partners
California
$22.9M +$21.4M +272,017 New
GPC
73
Greenstone Partners & Co
California
$22.9M +$21.4M +272,017 New
Retirement Systems of Alabama
74
Retirement Systems of Alabama
Alabama
$21.4M +$109K +1,378 +0.5%
GAM
75
Gotham Asset Management
New York
$20.8M +$19.4M +246,538 New

SGI Hedge Fund Activity: Q3 2025 in Review

483 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Somnigroup International (SGI) for Q3 2025, worth a combined $18.1B — up 16% from $15.6B a quarter earlier.

Buyers outnumbered sellers: 100 funds opened new SGI positions and 39 closed out — a net gain of 61 holders — while 158 added to existing stakes and 152 trimmed.

The largest buyer was Third Point, opening a new position worth an estimated $236M. The largest seller was D1 Capital Partners, exiting entirely with an estimated $181M sold.

  • 483 institutional investors held Somnigroup International (SGI) as of Q3 2025, up from 427 in Q2 2025.
  • Funds reported $18.1B of Somnigroup International stock for Q3 2025, up 16% quarter-over-quarter.
  • 100 funds opened new Somnigroup International positions in Q3 2025 and 39 closed out, a net change of +61 holders.
  • The largest Somnigroup International buyer in Q3 2025 was Third Point, an estimated $236M added.
  • The largest Somnigroup International seller in Q3 2025 was D1 Capital Partners, an estimated $181M sold.

Based on aggregated 13F filings for Q3 2025.