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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
Swiss National Bank
76
Swiss National Bank
Switzerland
$20.1M -$309K -5,100 -1%
HMCP
77
Hook Mill Capital Partners
New York
$20M -$14M -231,539 -41%
Adage Capital Partners
78
Adage Capital Partners
Massachusetts
$19.9M +$5.49M +90,767 +37%
Baird Financial Group
79
Baird Financial Group
Wisconsin
$19.4M +$1.55M +25,615 +9%
CVA
80
Ceredex Value Advisors
Florida
$18.6M -$13.1M -217,075 -41%
Barclays
81
Barclays
United Kingdom
$18M +$9.05M +149,546 +99%
BHMP
82
Bardin Hill Management Partners
New York
$17.7M +$14.3M +235,742 +390%
Invesco
83
Invesco
Georgia
$17.5M -$5M -82,559 -22%
Legal & General Group
84
Legal & General Group
United Kingdom
$17.4M +$1M +16,524 +6%
SFM
85
Soros Fund Management
New York
$17M +$17.1M +283,195 New
Marshall Wace
86
Marshall Wace
United Kingdom
$16.8M +$16.9M +279,960 New
California Public Employees Retirement System
87
California Public Employees Retirement System
California
$15.7M -$400K -6,611 -2%
NGM
88
North Growth Management
British Columbia, Canada
$15.1M +$60.5K +1,000 +0.4%
DCP
89
Distillate Capital Partners
Illinois
$15.1M -$1.34M -22,180 -8%
Retirement Systems of Alabama
90
Retirement Systems of Alabama
Alabama
$13.9M +$1.31M +21,602 +10%
AllianceBernstein
91
AllianceBernstein
Tennessee
$13.5M -$85.8K -1,417 -0.6%
CF
92
Corebridge Financial
Texas
$12.7M +$880K +14,533 +7%
BFM
93
Boothbay Fund Management
New York
$12.4M +$1.29M +21,240 +11%
Ameriprise
94
Ameriprise
Minnesota
$12.1M +$948K +15,665 +8%
State of Wisconsin Investment Board
95
State of Wisconsin Investment Board
Wisconsin
$12.1M +$359K +5,926 +3%
NP
96
Nilsine Partners
Colorado
$11.4M +$9.44K +156 +0.1%
ACM
97
Ararat Capital Management
Connecticut
$11.4M -$2.04M -33,693 -15%
State Board of Administration of Florida Retirement System
98
State Board of Administration of Florida Retirement System
Florida
$11.2M -$986K -16,284 -8%
Wells Fargo
99
Wells Fargo
California
$10.9M +$224K +3,704 +2%
Loomis, Sayles & Company
100
Loomis, Sayles & Company
Massachusetts
$10.7M +$915K +15,119 +9%
2 3
4
5 6

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.