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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
FMP
426
Financial Management Professionals
Texas
$120 +$121 +2 New
TAL
427
TIG Advisors LLC
New York
– -$20.7M -364,775 Closed
Two Sigma Advisers
428
Two Sigma Advisers
New York
– -$19.5M -344,800 Closed
Renaissance Technologies
429
Renaissance Technologies
New York
– -$16M -282,200 Closed
Arrowstreet Capital
430
Arrowstreet Capital
Massachusetts
– -$10.3M -182,215 Closed
IP
431
Interval Partners
New York
– -$6.4M -112,863 Closed
TC
432
TwinBeech Capital
New York
– -$4.49M -79,209 Closed
CM
433
Caption Management
Oklahoma
– -$4.33M -76,296 Closed
IG
434
ING Group
Netherlands
– -$3.63M -64,000 Closed
GAM
435
Gotham Asset Management
New York
– -$2.92M -51,547 Closed
Holocene Advisors
436
Holocene Advisors
New York
– -$2.63M -46,401 Closed
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
437
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
– -$2.46M -43,454 Closed
Pacer Advisors
438
Pacer Advisors
Pennsylvania
– -$1.47M -25,888 Closed
BCM
439
Bayesian Capital Management
New York
– -$1.33M -23,542 Closed
Nomura Holdings
440
Nomura Holdings
Japan
– -$1.31M -23,041 Closed
CP
441
CenterBook Partners
Connecticut
– -$1.25M -21,965 Closed
ET
442
Entropy Technologies
New York
– -$1.06M -18,654 Closed
EGM
443
Engineers Gate Manager
New York
– -$972K -17,143 Closed
XT
444
XTX Topco
Cayman Islands
– -$937K -16,520 Closed
AFA
445
Abacus FCF Advisors
Florida
– -$924K -16,303 Closed
GT
446
Glenmede Trust
Pennsylvania
– -$839K -14,805 Closed
FHB
447
First Hawaiian Bank
Hawaii
– -$810K -14,297 Closed
BHCM
448
Brevan Howard Capital Management
Jersey
– -$743K -13,104 Closed
Tudor Investment Corp
449
Tudor Investment Corp
Connecticut
– -$735K -12,141 Closed
FGP
450
Freestone Grove Partners
California
– -$617K -10,877 Closed
16 17
18
19 20

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.