SHOULDER INNOVATIONS, INC. - Common Stock, $0.001 par value per share (SI)

Q: What does CUSIP 82537J108 represent in this 13F holders report?

CUSIP 82537J108 is the security identifier for SI - SHOULDER INNOVATIONS, INC. - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

Q: How many institutions held SI - SHOULDER INNOVATIONS, INC. - Common Stock, $0.001 par value per share in Q1 2026?

58 institutional investors reported SI - SHOULDER INNOVATIONS, INC. - Common Stock, $0.001 par value per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: 82537J108

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 7,626,415
Total 13F value: $110,765,265
Share change: +700,960
SEC-reported price per share: $14.53
Number of holders: 58
Value change: +$10,174,282
Number of buys: 35
Number of sells: 16
Shares outstanding: 20,674,832

Security key

82537J108

Report period

Q1 2026

Institutions

Top holders

SI full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 SHOULDER INNOVATIONS, INC. SEC filings SHOULDER INNOVATIONS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 82537J108

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of SI - SHOULDER INNOVATIONS, INC. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Presidio Management Group...

Disclosed value leader

FMR LLC

Comparable rows

15/15

Latest evidence

31 Mar 2026

13D/G 3/4/5 13F Lead comparable stake: 13% 13D/G row: Presidio Management Group XII, L.L.C. Showing 1-6 of 15 holder rows.

Quick read

Presidio Management Group XII, L.L.C. leads the comparable SEC ownership view at 13%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Presidio Management Group XII, L.L.C.'s linked filing trail.

Comparable ownership Top 5

Presidio Management Group XII, L.... 13%

LSV Associates II, LLC 9.3%

Arboretum Ventures VI, L.P. 5.8%

cultivate(MD) Holdings, LLC 3.6%

FMR LLC 19%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Presidio Management Group XII, L.L.C.	13D/G Casey M. Tansey 13D/G	13%	$34,396,877 2,740,787 shares	$0	30 Sep 2025
LSV Associates II, LLC	13D/G 3/4/5 Former 10% Owner 13D/G 3/4/5	9.3%	$23,658,457 1,885,136 shares	$0	30 Sep 2025
Arboretum Ventures VI, L.P.	13D/G 13D/G	5.8%	— 1,163,891 shares	$0	01 Aug 2025
cultivate(MD) Holdings, LLC	13D/G Ball Robert Joseph 13D/G	3.6%	$11,156,265 767,809 shares	-$8,653,850	31 Mar 2026
FMR LLC	13F Company 13F	19%	$55,037,769 3,848,795 shares	—	31 Dec 2025
SECTORAL ASSET MANAGEMENT INC	13F Company 13F	2.4%	$7,041,821 492,435 shares	—	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

7,626,415

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend