SI Institutional Ownership
Who owns Shoulder Innovations, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 72 funds reported holding SI at Jun 30, 2026, together owning 39.8% of the company.
- ▲53 buying vs 20 selling
- ▲Held by funds +3.1 pts
- ▲Funds holding +14
- ▲Superinvestors: 2 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
4 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 72 | 58 | +24.1% |
| In funds' top 10 | 1 | 1 | 0.0% |
| 13F shares | 8.3M | 7.6M | +8.6% |
| Held by funds | 39.8% | 36.6% | +3.1 pts |
| New positions | 23 | 12 | +91.7% |
| Increased | 30 | 24 | +25.0% |
| Reduced | 11 | 9 | +22.2% |
| Sold out | 9 | 7 | +28.6% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SI
All superinvestors →
Who owns SI
share of fund held shares- Index and passive funds18.8%
- Active managers and hedge funds75.7%
- Banks and brokers5.5%
- Pensions, insurers and other0.1%
The top 10 holders own 80.5% of all SI shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
9 funds changed their position- TimesSquare Capital Management, LLCAdded+53K sh
- CenterBook Partners LPNew+41K sh
- China Universal Asset Management Co., Ltd.Added+1,400 sh
- Physician Wealth Advisors, Inc.New+49 sh
- Sterling Capital Management LLCAdded+33 sh
🔒 Free account: see all 9.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Fmr LLC | 17.65% | 3.7M | $74.5M | −111K |
| 2 | BlackRock, Inc. | 3.07% | 638K | $12.9M | +82K |
| 3 | Sectoral Asset Management Inc | 2.07% | 430K | $8.7M | 0 |
| 4 | Vanguard Capital Management LLC | 1.88% | 392K | $8M | −21K |
| 5 | KCM Capital Inc | 1.44% | 300K | $6.1M | +265K |
| 6 | TimesSquare Capital Management, LLC | 1.43% | 298K | $6M | −25K |
| 7 | Roubaix Capital, LLC | 1.23% | 255K | $5.2M | −1,833 |
| 8 | Driehaus Capital Management LLC | 1.22% | 254K | $5.1M | +254K |
| 9 | Parkman Healthcare Partners LLC | 1.09% | 226K | $4.6M | +226K |
| 10 | Geode Capital Management, LLC | 0.96% | 200K | $4M | +16K |
- KCM Capital Inc+265K sh+$5.4M
- Driehaus Capital Management LLC+254K sh+$5.1M
- Parkman Healthcare Partners LLC+226K sh+$4.6M
- HighTower Advisors, LLC+103K sh+$2.1M
- Jane Street Group, LLC+86K sh+$1.8M
- BlackRock, Inc.+82K sh+$1.7M
- Schonfeld Strategic Advisors LLC+78K sh+$1.6M
- Informed Momentum Co LLC+58K sh+$1.2M
- Alyeska Investment Group, L.P.−233K sh−$3.4M
- Sio Capital Management, LLC−211K sh−$3.1M
- Millennium Management LLC−194K sh−$2.8M
- Fmr LLC−111K sh−$2.2M
- Morgan Stanley−40K sh−$818K
- Royal Bank of Canada−38K sh−$769K
- TimesSquare Capital Management, LLC−25K sh−$498K
- Vanguard Capital Management LLC−21K sh−$432K
SI institutional ownership FAQ
Who owns the most SI stock?
In Q2 2026 13F filings the largest holder of SI was Fmr LLC, followed by BlackRock, Inc. and Sectoral Asset Management Inc. Index fund managers are usually the biggest holders of large companies.
What percentage of SI is owned by institutions?
Funds that file 13F reports held 39.8% of SI's shares at Jun 30, 2026, compared with 36.6% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying SI?
In Q2 2026, 53 funds bought SI (23 of them new positions) and 20 sold (9 sold out completely). Among well known investors, 2 added and 1 cut. Our fund sentiment for SI is strongly bullish.
What is SI's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this SI ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.