Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 3.8M | $55.0M | -1.7% | 18.324% | 0.00% |
| 2 | BlackRock, Inc. | 556K | $8.1M | +78.6% | 2.692% | 0.00% |
| 3 | SECTORAL ASSET MANAGEMENT INC | 430K | $6.3M | -12.6% | 2.084% | 5.18% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 413K | $6.0M | β | 2.002% | 0.00% |
| 5 | TimesSquare Capital Management, LLC | 323K | $4.7M | +11.4% | 1.563% | 0.08% |
| 6 | Roubaix Capital, LLC | 257K | $3.7M | +61.9% | 1.245% | 1.74% |
| 7 | Alyeska Investment Group, L.P. | 233K | $3.4M | 0.0% | 1.128% | 0.01% |
| 8 | Sio Capital Management, LLC | 211K | $3.1M | -7.6% | 1.020% | 0.44% |
| 9 | MILLENNIUM MANAGEMENT LLC | 194K | $2.8M | +110.8% | 0.939% | 0.00% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 184K | $2.7M | +66.5% | 0.889% | 0.00% |
| 11 | MORGAN STANLEY | 158K | $2.3M | +4.5% | 0.763% | 0.00% |
| 12 | CM Management, LLC | 100K | $1.5M | +300.0% | 0.484% | 1.21% |
| 13 | STATE STREET CORP | 93K | $1.4M | +59.6% | 0.452% | 0.00% |
| 14 | Walleye Capital LLC | 85K | $1.2M | -8.8% | 0.412% | 0.01% |
| 15 | NORTHERN TRUST CORP | 64K | $931K | +79.5% | 0.310% | 0.00% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 61K | $886K | β | 0.295% | 0.00% |
| 17 | ROYAL BANK OF CANADA | 54K | $783K | +7046.3% | 0.261% | 0.00% |
| 18 | READYSTATE ASSET MANAGEMENT LP | 39K | $573K | 0.0% | 0.191% | 0.03% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 38K | $547K | β | 0.182% | 0.00% |
| 20 | KCM Capital Inc | 35K | $509K | β | 0.169% | 0.09% |
| 21 | BANK OF AMERICA CORP /DE/ | 27K | $392K | +43.7% | 0.131% | 0.00% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 23K | $333K | +94.9% | 0.111% | 0.00% |
| 23 | Bank of New York Mellon Corp | 17K | $252K | β | 0.084% | 0.00% |
| 24 | EverSource Wealth Advisors, LLC | 1K | $247K | +21228.6% | 0.007% | 0.01% |
| 25 | Blue Trust, Inc. | 16K | $228K | β | 0.076% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in SI β a direct measure of their conviction.
Filings activity in SI during Q1 2026, grouped by how each filer changed its position.
3 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 56 | +14% | 28.26% | +3.80 pp | $109M | +16% |
| Q4 2025 | 49 | +17% | 24.46% | +0.68 pp | $94M | +2.9% |
| Q3 2025 | 42 | β | 23.78% | β | $92M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SI stock.
Based on Q1 2026 13F filings, institutional ownership of Shoulder Innovations, Inc. stands at 28.3%, held across 56 reporting institutions.
FMR LLC is the largest reported institutional holder of SI, with approximately 3,784,552 shares worth $0.05B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of SI, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for SI is 63 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
16 institutions opened new positions in SI during Q1 2026, while 9 fully exited. 31 added to existing positions and 8 trimmed.
SI institutional ownership rose by 3.80 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 87.7% of all reported 13F value in SI, and the top 25 account for 98.7%.
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.