SOMNIGROUP INTERNATIONAL INC.
Total Trades
6
Buys
1
Sells
3
Largest Trade
$1M+
Insiders
4
Institutional Funds
450
Inst. Value
$1M+
Activist Filings
18
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Dyer Simon | Director | BUY | $1M+ | 32K | $93.40 | Dec 4, 2025 |
| Gates Cathy R. | Director | SELL | $500K+ | 6K | $86.85 | Sep 8, 2025 |
| BUSTER H CLIFFORD III | CEO, North America | EXERCISE | $500K+ | 35K | $15.61 | Jun 12, 2025 |
| BUSTER H CLIFFORD III | CEO, North America | SELL | $1M+ | 22K | $65.80 | Jun 12, 2025 |
| MONTGOMERY DAVID | EVP Global Busines… | EXERCISE | $1M+ | 101K | $16.72 | Jun 12, 2025 |
| MONTGOMERY DAVID | EVP Global Busines… | SELL | $1M+ | 76K | $65.68 | Jun 12, 2025 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 450 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Linonia Partnership LP | 8.8M | $1M+ | SH |
| STATE STREET CORP | 6.7M | $1M+ | SH |
| ABRAMS CAPITAL MANAGEMENT, L.P. | 5.8M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 3.7M | $1M+ | SH |
| Third Point LLC | 3.4M | $1M+ | SH |
| NORGES BANK | 3.0M | $1M+ | SH |
| TIMUCUAN ASSET MANAGEMENT INC/FL | 3.0M | $1M+ | SH |
| Meritage Group LP | 2.4M | $1M+ | SH |
| BECK MACK & OLIVER LLC | 2.3M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.8M | $1M+ | SH |
| Avala Global LP | 1.4M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $1M+ | SH |
| Squarepoint Ops LLC | 1.2M | $1M+ | SH |
| MAVERICK CAPITAL LTD | 1.1M | $1M+ | SH |
| Sculptor Capital LP | 900K | $1M+ | SH |
| Neuberger Berman Group LLC | 890K | $1M+ | SH |
| Forest Avenue Capital Management LP | 696K | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 591K | $1M+ | SH |
| M.D. Sass, LLC | 586K | $1M+ | SH |
| RHUMBLINE ADVISERS | 553K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Nov 14, 2025
5.6%
11.7M shares
SC 13G/A · May 15, 2025
7.3%
15.1M shares
SC 13G/A · May 7, 2025
14.2%
29.7M shares
SC 13G/A · May 7, 2025
9.8%
20.5M shares
SC 13G/A · Feb 14, 2025
10.8%
18.8M shares
SC 13G/A · Feb 14, 2025
5.9%
10.3M shares
SC 13G · Feb 12, 2025
5.2%
9.1M shares
SC 13G/A · Feb 14, 2024
13.2%
22.7M shares
SC 13G/A · Feb 14, 2024
7.3%
12.6M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.2%
15.9M shares
SC 13G/A · Feb 13, 2024
4.6%
7.9M shares
SC 13G/A · Aug 10, 2023
7.6%
13.0M shares
SC 13G/A · Jun 2, 2023
10.6%
18.2M shares
SC 13G · Feb 14, 2023
5.6%
9.6M shares
SC 13G · Feb 13, 2023
6.4%
10.9M shares
SC 13G · Feb 13, 2023
6.4%
10.9M shares
SC 13G/A · Feb 3, 2023
8.4%
14.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Mar 9, 2022
10.6%
19.1M shares