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Equibles

SGI

Somnigroup International Inc.

Company with tickers: SGI

CIK
1206264
CUSIP
88023U101
Shares Outstanding
210,340,624
13F Activity (30d)
276 filings 270 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 525
Total Value: $15,686,087,255
Total Shares: 212,203,566
Showing 1–100 of 539 holdings by value · page 1 of 6

Institutional Ownership Trend

25 quarters

Superinvestors Holding SGI

All superinvestors →
David Abrams $428,645,521 Daniel Sundheim $346,568,228 Daniel Loeb $167,855,244 Joel Greenblatt $25,234,218 George Soros $13,216,674

Holder Concentration

Across 525 13F filers · Δ vs Dec 31, 2025
Top Holder
13.1%
Jun 2023 → Mar 2026 · range 10.1% – 17.4%
+2.2 pts
Top 5
35.4%
Jun 2023 → Mar 2026 · range 35.4% – 49.2%
−7.3 pts
Top 10
52.0%
Jun 2023 → Mar 2026 · range 52.0% – 66.4%
−8.8 pts
HHI
419
Jun 2023 → Mar 2026 · range 384 – 678
Broadly held−55

Quarterly Activity

vs Dec 31, 2025
New
127
Increased
179
Decreased
163
Sold Out
89
Unchanged
56
Holder count: +38
Institutional value: +105.9%
Shares held: +148.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega GEODE CAPITAL MANAGEMENT, LLC +480,810 4,856,074
Large JONES FINANCIAL COMPANIES LLLP +460,930 463,087
Large SEI INVESTMENTS CO +406,141 1,210,427
Large Qube Research & Technologies Ltd +345,559 541,154
Mid Forest Avenue Capital Management LP +316,615 1,012,181

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid Third Point LLC −1,129,231 2,270,769
Mid WINDACRE PARTNERSHIP LLC −1,103,040 8,222,760
Large Squarepoint Ops LLC −831,819 400,333
Large FRED ALGER MANAGEMENT, LLC −394,681 268,843
Mega UBS Group AG −278,147 1,499,600

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega FMR LLC 27,861,420 $2,059,516,163
Mega BlackRock, Inc. 20,144,553 $1,489,085,350
Large Select Equity Group, L.P. 9,273,908 $685,527,279
Mega VANGUARD CAPITAL MANAGEMENT LLC 9,078,255 $671,064,609
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 8,438,240 $623,754,700

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mid Meritage Group LP 2,403,651 $214,597,961
Mid Hook Mill Capital Partners, LP 258,723 $23,098,789
Mid Kinetic Partners Management, LP 249,949 $22,315,446
Mid Engineers Gate Manager LP 249,128 $22,242,147
Mid Ceredex Value Advisors LLC 122,647 $10,949,924
Filter: New 127 Increased 179 Reduced 163 Sold out 89 Unchanged 56
Showing 100 of 539
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega FMR LLC $2,059,516,163 13.13% 27,861,420
Mega BlackRock, Inc. $1,489,085,350 9.49% 20,144,553
Large Select Equity Group, L.P. $685,527,279 4.37% 9,273,908
Mega VANGUARD CAPITAL MANAGEMENT LLC $671,064,609 4.28% 9,078,255
Mid Linonia Partnership LP $649,166,253 4.14% 8,782,011
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $623,754,700 3.98% 8,438,240
Mid WINDACRE PARTNERSHIP LLC $607,826,419 3.87% 8,222,760
Mega STATE STREET CORP $509,343,764 3.25% 6,890,473
Mid BROWNING WEST LP $435,884,507 2.78% 5,896,706
Mid ABRAMS CAPITAL MANAGEMENT, L.P. $428,645,521 2.73% 5,798,776
Mega GEODE CAPITAL MANAGEMENT, LLC $358,960,989 2.29% 4,856,074
Large D1 Capital Partners L.P. $346,568,228 2.21% 4,688,423
Large Artisan Partners Limited Partnership $342,199,704 2.18% 4,629,325
Mega JPMORGAN CHASE & CO $320,769,330 2.04% 4,339,412
Large Boston Partners $280,867,095 1.79% 3,799,609
Large LONDON CO OF VIRGINIA $234,907,189 1.50% 3,177,857
Large Allspring Global Investments Holdings, LLC $225,183,974 1.44% 3,046,320
Mid TIMUCUAN ASSET MANAGEMENT INC/FL $217,445,437 1.39% 2,941,632
Mid Darsana Capital Partners LP $196,292,268 1.25% 2,655,469
Mid BECK MACK & OLIVER LLC $178,106,322 1.14% 2,409,447
Mid Third Point LLC $167,855,244 1.07% 2,270,769
Mega BANK OF AMERICA CORP /DE/ Bank $165,799,527 1.06% 2,242,959
Large Point72 Asset Management, L.P. $163,930,609 1.05% 2,217,676
Mega MORGAN STANLEY $154,063,834 0.98% 2,084,197
Mega DIMENSIONAL FUND ADVISORS LP $141,125,400 0.90% 1,909,164
Mega WELLINGTON MANAGEMENT GROUP LLP $131,921,105 0.84% 1,784,647
Mega NORTHERN TRUST CORP Bank $130,954,526 0.83% 1,771,571
Mega GOLDMAN SACHS GROUP INC $126,012,014 0.80% 1,704,708
Mid Avala Global LP $124,842,970 0.80% 1,688,893
Mid EMINENCE CAPITAL, LP $111,840,516 0.71% 1,512,994
Mega UBS Group AG $110,850,429 0.71% 1,499,600
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $105,449,615 0.67% 1,426,537
Mega Invesco Ltd. $103,835,347 0.66% 1,404,699
Mega Bank of New York Mellon Corp Bank $103,544,690 0.66% 1,400,767
Mega VANGUARD FIDUCIARY TRUST CO Bank $97,822,992 0.62% 1,323,363
Mid Hudson Way Capital Management LLC $94,861,683 0.60% 1,283,302
Large SEI INVESTMENTS CO $89,474,763 0.57% 1,210,427
Mid STEADFAST CAPITAL MANAGEMENT LP $77,416,416 0.49% 1,047,300
Mid Forest Avenue Capital Management LP $74,820,419 0.48% 1,012,181
Mega NEUBERGER BERMAN GROUP LLC $68,573,366 0.44% 927,670
Mega Clearbridge Investments, LLC $57,624,853 0.37% 779,557
Mega PRICE T ROWE ASSOCIATES INC /MD/ $53,438,542 0.34% 722,924
Mid 140 Summer Partners LP $52,989,995 0.34% 716,856
Mega CITADEL ADVISORS LLC $51,217,985 0.33% 692,884
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $50,978,558 0.32% 689,645
Mid M.D. Sass, LLC $47,482,807 0.30% 642,354
Mid Avantyr Capital Partners, LP $46,141,159 0.29% 624,204
Small GOODNOW INVESTMENT GROUP, LLC $45,078,264 0.29% 609,825
Mega ROYAL BANK OF CANADA Bank $45,018,237 0.29% 609,013
Small SW Investment Management LLC $44,352,000 0.28% 600,000
Large MARSHALL WACE, LLP $43,522,986 0.28% 588,785
Mega RHUMBLINE ADVISERS $42,093,522 0.27% 569,447
Small Greenstone Partners & Co., LLC $42,012,727 0.27% 568,354
Large Qube Research & Technologies Ltd $40,002,103 0.26% 541,154
Mid SCOPUS ASSET MANAGEMENT, L.P. $39,584,160 0.25% 535,500
Mega ENVESTNET ASSET MANAGEMENT INC $38,578,404 0.25% 521,894
Mid No Street GP LP $38,438,400 0.25% 520,000
Large NATIXIS ADVISORS, LLC $38,046,771 0.24% 514,702
Mega PRINCIPAL FINANCIAL GROUP INC $37,810,745 0.24% 511,509
Mega Nuveen, LLC $37,062,304 0.24% 501,384
Large RENAISSANCE TECHNOLOGIES LLC $36,523,872 0.23% 494,100
Large JONES FINANCIAL COMPANIES LLLP $34,231,390 0.22% 463,087
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $33,907,468 0.22% 458,705
Small 12th Street Asset Management Company, LLC $30,200,829 0.19% 408,561
Mega MILLENNIUM MANAGEMENT LLC $29,568,000 0.19% 400,000
Mega Swiss National Bank Bank $29,161,440 0.19% 394,500
Mid Artemis Investment Management LLP $27,980,715 0.18% 378,527
Small Robertson Opportunity Capital, LLC $26,228,737 0.17% 354,826
Large Squarepoint Ops LLC $25,733,991 0.16% 348,133
Large Gotham Asset Management, LLC $25,234,218 0.16% 341,372
Mid ArrowMark Colorado Holdings LLC $24,932,033 0.16% 337,284
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $24,615,360 0.16% 333,000
Large Retirement Systems of Alabama Pension $23,235,125 0.15% 314,328
Mega RAYMOND JAMES FINANCIAL INC $21,578,650 0.14% 291,919
Small Broad Bay Capital Management, LP $21,357,557 0.14% 288,928
Mega Legal & General Group Plc $21,163,517 0.13% 286,303
Mega ALLIANCEBERNSTEIN L.P. $19,921,513 0.13% 269,501
Large FRED ALGER MANAGEMENT, LLC $19,872,874 0.13% 268,843
Mega California Public Employees Retirement System Pension $19,660,724 0.13% 265,973
Small Anabranch Capital Management, LP $19,263,256 0.12% 260,596
Small MAKENA CAPITAL MANAGEMENT LLC $18,570,330 0.12% 251,222
Mega WELLS FARGO & COMPANY/MN $17,653,572 0.11% 238,820
Small Zeno Equity Partners LLP $17,252,484 0.11% 233,394
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $17,137,391 0.11% 231,837
Large STATE OF WISCONSIN INVESTMENT BOARD $16,203,264 0.10% 219,200
Large LOOMIS SAYLES & CO L P $15,633,931 0.10% 211,498
Mega AMERIPRISE FINANCIAL INC $15,331,007 0.10% 207,400
Small North Growth Management Ltd. $14,931,840 0.10% 202,000
Mega JANE STREET GROUP, LLC $14,443,598 0.09% 195,395
Large Balyasny Asset Management L.P. $14,320,299 0.09% 193,727
Large PARNASSUS INVESTMENTS, LLC $14,044,800 0.09% 190,000
Large Thrivent Financial for Lutherans $13,554,709 0.09% 183,370
Small Nilsine Partners, LLC $13,347,956 0.09% 180,573
Mega VANGUARD ASSET MANAGEMENT, Ltd $13,259,178 0.08% 179,372
Mid SOROS FUND MANAGEMENT LLC $13,216,674 0.08% 178,797
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $12,921,216 0.08% 174,800
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $12,713,352 0.08% 171,988
Large TUDOR INVESTMENT CORP ET AL $12,596,041 0.08% 170,401
Large Cresset Asset Management, LLC $12,277,964 0.08% 166,098
Small RIHO Partners, LLC $12,130,198 0.08% 164,099

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