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SI

Shoulder Innovations Inc
SI

58 hedge funds and large institutions have $111M invested in Shoulder Innovations Inc in 2026 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 24 increasing their positions, 9 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

167% more repeat investments, than reductions

Existing positions increased: 24 | Existing positions reduced: 9

129% more first-time investments, than exits

New positions opened: 16 | Existing positions closed: 7

17% more capital invested

Capital invested by funds: $94.8M → $111M (+$16M)

16% more funds holding

Funds holding: 50 → 58 (+8)

4.76% more ownership

Funds ownership: 32.18% → 36.94% (+4.8%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
58
Holders Change
+8
Holders Change %
+16%
% of All Funds
0.71%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
16
Increased
24
Reduced
9
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$3.4M
2
JP Morgan Chase
JP Morgan Chase
New York
+$1.79M
3
Millennium Management
Millennium Management
New York
+$1.42M
4
RC
Roubaix Capital
Colorado
+$1.37M
5
CM
CM Management
Florida
+$1.04M

Top Sellers

Rank Fund Capital Flow
1
Federated Hermes
Federated Hermes
Pennsylvania
-$1.25M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$893K
3
SAM
Sectoral Asset Management
Quebec, Canada
-$863K
4
GCP
GSA Capital Partners
United Kingdom
-$325K
5
SCM
Sio Capital Management
New York
-$241K
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$55M -$893K -64,243 -2%
BlackRock
2
BlackRock
New York
$8.08M +$3.4M +244,699 +79%
SAM
3
Sectoral Asset Management
Quebec, Canada
$6.25M -$863K -62,028 -13%
VCM
4
Vanguard Capital Management
Pennsylvania
$6.01M +$5.75M +413,480 New
TCM
5
TimesSquare Capital Management
New York
$4.69M +$458K +32,914 +11%
RC
6
Roubaix Capital
Colorado
$3.74M +$1.37M +98,305 +62%
Alyeska Investment Group
7
Alyeska Investment Group
Illinois
$3.39M – – –
SCM
8
Sio Capital Management
New York
$3.06M -$241K -17,330 -8%
Millennium Management
9
Millennium Management
New York
$2.82M +$1.42M +101,939 +111%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$2.67M +$1.02M +73,376 +67%
Morgan Stanley
11
Morgan Stanley
New York
$2.29M +$94.3K +6,784 +4%
JP Morgan Chase
12
JP Morgan Chase
New York
$1.85M +$1.79M +128,795 +6,722%
CM
13
CM Management
Florida
$1.45M +$1.04M +75,000 +300%
State Street
14
State Street
Massachusetts
$1.35M +$484K +34,823 +60%
Walleye Capital
15
Walleye Capital
New York
$1.24M -$115K -8,251 -9%
Northern Trust
16
Northern Trust
Illinois
$931K +$395K +28,374 +79%
VPM
17
Vanguard Portfolio Management
Pennsylvania
$886K +$848K +60,997 New
Royal Bank of Canada
18
Royal Bank of Canada
Ontario, Canada
$783K +$739K +53,129 +7,046%
RAM
19
Readystate Asset Management
Illinois
$573K – – –
VFT
20
Vanguard Fiduciary Trust
Pennsylvania
$547K +$523K +37,622 New
KC
21
KCM Capital
Kansas
$509K +$487K +35,000 New
Bank of America
22
Bank of America
North Carolina
$392K +$114K +8,205 +44%
Charles Schwab
23
Charles Schwab
California
$333K +$155K +11,173 +95%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$252K +$241K +17,366 New
BTI
25
Blue Trust Inc
Georgia
$228K +$219K +15,719 New
1
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SI Hedge Fund Activity: Q1 2026 in Review

58 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Shoulder Innovations Inc (SI) for Q1 2026, worth a combined $111M — up 17% from $94.8M a quarter earlier.

Buyers outnumbered sellers: 16 funds opened new SI positions and 7 closed out — a net gain of 9 holders — while 24 added to existing stakes and 9 trimmed.

The largest buyer was BlackRock, adding an estimated $3.4M. The largest seller was Federated Hermes, exiting entirely with an estimated $1.25M sold.

  • 58 institutional investors held Shoulder Innovations Inc (SI) as of Q1 2026, up from 50 in Q4 2025.
  • Funds reported $111M of Shoulder Innovations Inc stock for Q1 2026, up 17% quarter-over-quarter.
  • 16 funds opened new Shoulder Innovations Inc positions in Q1 2026 and 7 closed out, a net change of +9 holders.
  • The largest Shoulder Innovations Inc buyer in Q1 2026 was BlackRock, an estimated $3.4M added.
  • The largest Shoulder Innovations Inc seller in Q1 2026 was Federated Hermes, an estimated $1.25M sold.

Based on aggregated 13F filings for Q1 2026.