We are live on ! Find out more
SGI

Somnigroup International
SGI

426 hedge funds and large institutions have $13.1B invested in Somnigroup International in 2025 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 189 increasing their positions, 105 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

80% more repeat investments, than reductions

Existing positions increased: 189 | Existing positions reduced: 105

79% more funds holding in top 10

Funds holding in top 10: 19 → 34 (+15)

57% more first-time investments, than exits

New positions opened: 83 | Existing positions closed: 53

39% more capital invested

Capital invested by funds: $9.45B → $13.1B (+$3.65B)

21% more call options, than puts

Call options by funds: $36.7M | Put options by funds: $30.4M

8.96% more ownership

Funds ownership: 95.96% → 104.92% (+9%)

7% more funds holding

Funds holding: 399 → 426 (+27)

Holders
426
Holders Change
+27
Holders Change %
+6.77%
% of All Funds
5.71%
Holding in Top 10
34
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+78.95%
% of All Funds
0.46%
New
83
Increased
189
Reduced
105
Closed
53
Calls
$36.7M
Puts
$30.4M
Net Calls
+$6.3M
Net Calls Change
+$16.2M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$694M
2
WPL
WINDACRE PARTNERSHIP LLC
Texas
+$630M
3
LP
Linonia Partnership
New York
+$167M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$151M
5
ACM
Abrams Capital Management
Massachusetts
+$136M

Top Sellers

1
Select Equity Group
Select Equity Group
New York
-$221M
2
Millennium Management
Millennium Management
New York
-$44.2M
3
LCOV
London Company of Virginia
Virginia
-$32.4M
4
JCM
Junto Capital Management
New York
-$27.9M
5
Brown Advisory
Brown Advisory
Maryland
-$25.6M
Name Holding Trade Value Shares
Change 		Change in
Stake
BC
151
Beaconlight Capital
New York
$3.45M +$871K +14,392 +33%
State of New Jersey Common Pension Fund D
152
State of New Jersey Common Pension Fund D
New Jersey
$3.37M -$74K -1,222 -2%
DCM
153
Donaldson Capital Management
Indiana
$3.35M +$255K +4,209 +8%
Mariner
154
Mariner
Kansas
$3.34M +$280K +4,621 +9%
IIM
155
INTECH Investment Management
Florida
$3.21M -$799K -13,199 -20%
LSERS
156
Louisiana State Employees Retirement System
Louisiana
$3.21M +$327K +5,400 +11%
TRSOTSOK
157
Teachers Retirement System of the State of Kentucky
Kentucky
$3.16M – – –
AI
158
Atria Investments
North Carolina
$3.15M +$508K +8,398 +19%
Handelsbanken Fonder
159
Handelsbanken Fonder
Sweden
$3.15M +$424K +7,000 +15%
SC
160
SummitTX Capital
Texas
$3.1M +$3.13M +51,795 New
Ensign Peak Advisors
161
Ensign Peak Advisors
Utah
$3.03M -$246K -4,067 -7%
ASRS
162
Arizona State Retirement System
Arizona
$2.98M -$35.4K -585 -1%
IIM
163
Ironwood Investment Management
Massachusetts
$2.97M -$7.26K -120 -0.2%
EF
164
Empowered Funds
Pennsylvania
$2.95M -$334K -5,511 -10%
CM
165
Castleark Management
Illinois
$2.94M +$2.98M +49,170 New
LPL Financial
166
LPL Financial
California
$2.89M +$47.7K +788 +2%
Cerity Partners
167
Cerity Partners
New York
$2.82M -$720K -11,898 -20%
BNP Paribas Financial Markets
168
BNP Paribas Financial Markets
France
$2.79M -$855K -14,132 -23%
SOMRS
169
State of Michigan Retirement System
Michigan
$2.74M +$278K +4,600 +11%
COPPSERS
170
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.74M +$445K +7,360 +19%
Thrivent Financial for Lutherans
171
Thrivent Financial for Lutherans
Minnesota
$2.69M +$241K +3,977 +10%
ACM
172
Aquatic Capital Management
Illinois
$2.59M +$2.62M +43,284 New
NMIMC
173
Northwestern Mutual Investment Management Company
Wisconsin
$2.55M +$238K +3,925 +10%
HighTower Advisors
174
HighTower Advisors
Illinois
$2.47M +$102K +1,686 +4%
Jane Street
175
Jane Street
New York
$2.46M -$556K -9,193 -18%
5 6
7
8 9

SGI Hedge Fund Activity: Q1 2025 in Review

426 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Somnigroup International (SGI) for Q1 2025, worth a combined $13.1B — up 39% from $9.45B a quarter earlier.

Buyers outnumbered sellers: 83 funds opened new SGI positions and 53 closed out — a net gain of 30 holders — while 189 added to existing stakes and 105 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $694M. The largest seller was Select Equity Group, cutting an estimated $221M.

  • 426 institutional investors held Somnigroup International (SGI) as of Q1 2025, up from 399 in Q4 2024.
  • Funds reported $13.1B of Somnigroup International stock for Q1 2025, up 39% quarter-over-quarter.
  • 83 funds opened new Somnigroup International positions in Q1 2025 and 53 closed out, a net change of +30 holders.
  • The largest Somnigroup International buyer in Q1 2025 was Fidelity Investments, an estimated $694M added.
  • The largest Somnigroup International seller in Q1 2025 was Select Equity Group, an estimated $221M sold.

Based on aggregated 13F filings for Q1 2025.