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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

SGI

SOMNIGROUP INTERNATIONAL INC.

Superinvestors

Institutional investors holding SGI

Consensus →
InvestorFundWeightSharesValueQuarter
David AbramsAbrams Capital Management9.24%5,798,776$428.6M2026Q1
Daniel LoebThird Point8.06%2,270,769$167.9M2026Q1
Mario CibelliMarathon Partners1.99%37,500$1.3M2022Q4
Stephen MandelLone Pine Capital1.99%4,771,772$206.8M2023Q3
Lee AinslieMaverick Capital1.09%1,141,820$101.9M2025Q4
Meridian / ArrowMarkMeridian Contrarian Fund0.66%337,284$24.9M2026Q1
David EinhornGreenlight Capital0.54%69,300$5.0M2020Q2
William Von MuefflingCantillon Capital Management0.29%632,430$16.4M2007Q4
Chase ColemanTiger Global Management0.20%163,836$4.3M2007Q1
Kenneth FisherFisher Asset Management0.01%182,969$8.5M2017Q1
Jensen Investment ManagementJensen Investment Management0.01%11,110$488K2013Q3
Bill NygrenOakmark Select Fund – Harris Associates0.00%18,500$219K2005Q3

Congressional Activity

Congressional data coming soon

Insider Activity

5

Total trades

$45K

Volume

3

Buys

1

Sells

Last trade: May 13, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 13, 2026Christopher Thomas CookBuy–
May 13, 2026Evelyn S DilsaverBuy–

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 13, 2026
Simon Dyer
Option
–
May 13, 2026Simon DyerSell$45K
May 13, 2026Simon DyerBuy–