Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SGI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 27.9M | $2.06B | -4.7% | 13.246% | 0.11% |
| 2 | BlackRock, Inc. | 20.1M | $1.49B | +2.4% | 9.577% | 0.03% |
| 3 | Select Equity Group, L.P. | 9.3M | $685.5M | -11.1% | 4.409% | 3.76% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 9.1M | $671.1M | — | 4.316% | 0.02% |
| 5 | Linonia Partnership LP | 8.8M | $649.2M | +0.1% | 4.175% | 12.06% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.4M | $623.8M | — | 4.012% | 0.03% |
| 7 | WINDACRE PARTNERSHIP LLC | 8.2M | $607.8M | -11.8% | 3.909% | 6.50% |
| 8 | STATE STREET CORP | 6.9M | $509.3M | +2.1% | 3.276% | 0.02% |
| 9 | BROWNING WEST LP | 5.9M | $435.9M | +2.6% | 2.803% | 26.95% |
| 10 | ABRAMS CAPITAL MANAGEMENT, L.P. | 5.8M | $428.6M | -0.1% | 2.757% | 9.24% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 4.9M | $359.0M | +11.0% | 2.309% | 0.02% |
| 12 | D1 Capital Partners L.P. | 4.7M | $346.6M | — | 2.229% | 3.09% |
| 13 | Artisan Partners Limited Partnership | 4.6M | $342.2M | +50.7% | 2.201% | 0.55% |
| 14 | Boston Partners | 3.8M | $280.9M | -4.4% | 1.806% | 0.29% |
| 15 | LONDON CO OF VIRGINIA | 3.2M | $234.9M | -8.5% | 1.511% | 1.45% |
| 16 | Allspring Global Investments Holdings, LLC | 3.0M | $224.2M | +62.5% | 1.448% | 0.38% |
| 17 | TIMUCUAN ASSET MANAGEMENT INC/FL | 2.9M | $217.4M | -2.0% | 1.398% | 8.00% |
| 18 | Darsana Capital Partners LP | 2.7M | $196.3M | -11.5% | 1.263% | 4.18% |
| 19 | BECK MACK & OLIVER LLC | 2.4M | $178.1M | +3.7% | 1.145% | 3.67% |
| 20 | Third Point LLC | 2.3M | $167.9M | -33.2% | 1.080% | 8.06% |
| 21 | BANK OF AMERICA CORP /DE/ | 2.2M | $165.8M | -11.2% | 1.066% | 0.01% |
| 22 | Point72 Asset Management, L.P. | 2.2M | $163.9M | +442.1% | 1.054% | 0.23% |
| 23 | MORGAN STANLEY | 2.1M | $154.1M | +76.8% | 0.991% | 0.01% |
| 24 | DIMENSIONAL FUND ADVISORS LP | 1.9M | $141.1M | -5.8% | 0.908% | 0.03% |
| 25 | WELLINGTON MANAGEMENT GROUP LLP | 1.8M | $131.9M | -8.8% | 0.848% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in SGI — a direct measure of their conviction.
Filings activity in SGI during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 519 | 3.9% | 99.35% | 22.25 pp | $15.10B | 18% |
| Q4 2025 | 540 | +15% | 121.60% | +3.93 pp | $18.48B | +3.3% |
| Q3 2025 | 471 | +12% | 117.67% | +16.65 pp | $17.88B | +16% |
| Q2 2025 | 419 | +1.5% | 101.02% | +19.18 pp | $15.35B | +23% |
| Q1 2025 | 413 | +7.6% | 81.84% | +23.40 pp | $12.44B | +40% |
| Q4 2024 | 384 | +6.1% | 58.44% | +2.27 pp | $8.88B | +4.0% |
| Q3 2024 | 362 | 3.2% | 56.17% | +4.94 pp | $8.54B | +9.6% |
| Q2 2024 | 374 | — | 51.23% | — | $7.79B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SGI stock.
Based on Q1 2026 13F filings, institutional ownership of Somnigroup International Inc stands at 99.4%, held across 519 reporting institutions.
FMR LLC is the largest reported institutional holder of SGI, with approximately 27,861,420 shares worth $2.06B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of SGI, including Third Point LLC, Point72 Asset Management, L.P..
Our composite Smart Money Score for SGI is 39 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
81 institutions opened new positions in SGI during Q1 2026, while 102 fully exited. 88 added to existing positions and 348 trimmed.
SGI institutional ownership fell by 22.25 percentage points quarter-over-quarter, with a net change of -21 holders.
The top 10 institutions account for 54.0% of all reported 13F value in SGI, and the top 25 account for 75.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Somnigroup International Inc (SGI) Institutional Ownership