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Of the 7 tracked institutions holding SI, 2 have a 3-year clone track record — 2 of them beat the S&P. Average holder's clone alpha: +8.3pt. It's a gauge of who owns the name, not just how many.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Among the 7 tracked institutional investors we monitor, SI (SHOULDER INNOVATIONS INC) is held with a combined value of $94.55M across 4,727,159 shares. The largest holder is FMR LLC with a position worth $74.51M. 2 funds opened new positions in the most recent quarter. 4 funds increased their holdings. 1 fund reduced its position.
Total Institutional Value
$94.55M
Total Shares Held
4,727,159
Institutional Holders
7
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $74.51M | 0.00% | -2.9% |
| 2 | BlackRock, Inc. | $12.95M | 0.00% | +14.8% |
| 3 | VANGUARD GROUP INC | $3.15M | 0.00% | +50.7% |
| 4 | STATE STREET CORP | $2.33M | 0.00% | +23.2% |
| 5 | CITADEL ADVISORS LLC | $746.20K | 0.00% | +172.1% |
| 6 | Point72 Asset Management, L.P. | $464.82K | 0.00% | New |
| 7 | AQR CAPITAL MANAGEMENT LLC | $401.04K | 0.00% | New |
| Member | Type | Date |
|---|---|---|
| Thomas R Carper | Buy | Nov 20, 2020 |
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of SI with a position worth $74.51M, representing 0.00% of their portfolio. In total, 7 institutional investors hold SI with a combined value of $94.55M.
In the most recent quarter, 2 funds opened a new position in SI. Additionally, 4 increased their holdings and 1 reduced their positions.
Institutional investors hold $94.55M worth of SI stock across 7 positions. The largest institutional holder is FMR LLC with $74.51M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For SI, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their SI positions.
| 2026-08-06 |
SEC Schedule 13D (activist) and 13G (passive) filings for SI. Filed when an investor acquires 5%+ ownership.
Last Close
$18.09
2026-10-16
YTD
+25.9%
53% of 52-week range
