Comparable stake leader
FMR LLC
SEC ownership of SHOULDER INNOVATIONS, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001699350.
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
26 Aug 2026
- Public ticker
- SI on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
FMR LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
FMR LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
26 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001699350
- Issuer location
- Grand Rapids, MI
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of SHOULDER INNOVATIONS, INC. (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
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
26 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 18%
13D/G row: FMR LLC
Showing 1-8 of 50 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 18%.
50 of 50 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 FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
18%
Presidio Management Group XII, L....
13%
Gilde Healthcare Holding B.V.
11%
LSV Associates II, LLC
9.3%
Arboretum Ventures VI, L.P.
5.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
Company
|
18%
from 13D/G
|
$74,507,909
3,673,960 shares
|
— | 30 Jun 2026 |
| Presidio Management Group XII, L.L.C. |
13D/G
Casey M. Tansey
|
13%
|
$34,396,877
2,740,787 shares
|
$0 | 30 Sep 2025 |
| Gilde Healthcare Holding B.V. |
3/4/5
13D/G
10%+ Owner
|
11%
from 13D/G
|
$49,401,656
2,185,914 shares
|
-$4,439,970 | 26 Aug 2026 |
| LSV Associates II, LLC |
13D/G
3/4/5
Former 10% Owner
|
9.3%
|
$23,658,457
1,885,136 shares
|
$0 | 30 Sep 2025 |
| Arboretum Ventures VI, L.P. |
13D/G
|
5.8%
|
—
1,163,891 shares
|
$0 | 01 Aug 2025 |
| cultivate(MD) Holdings, LLC |
13D/G
Ball Robert Joseph
|
3.6%
|
$11,156,265
767,809 shares
|
-$8,653,850 | 31 Mar 2026 |
| Paul Buckman |
3/4/5
Director
|
0.31%
|
$926,287
63,750 shares
|
— | 26 Jun 2026 |
| Jonathan E. Osborne |
3/4/5
Chief Commercial Officer
|
0.29%
|
$1,223,999
60,355 shares
|
— | 06 Aug 2026 |
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.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$4,916,331.
Buys
$362,700
Insiders: 3
Sells
$5,279,031
Insiders: 2
Net
-$4,916,331
Shares: -213,068
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 24,000
Shares: 237,068
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 237,068 | $0 | $5,279,031 | -$5,279,031 |
| 3-6 | 5,200 | 0 | $78,232 | $0 | +$78,232 |
| 6-9 | 9,200 | 0 | $136,641 | $0 | +$136,641 |
| 9-12 | 9,600 | 0 | $147,827 | $0 | +$147,827 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to SHOULDER INNOVATIONS, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
Gilde Healthcare Holding B.V.
Net 12M change
-$4,916,330
Latest report
26 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Gilde Healthcare Holding B.V. | 10%+ Owner | $49,401,656 | -$4,439,970 | -8.2% | Filing P/S | 26 Aug 2026 |
| Casey M. Tansey | Director, 10%+ Owner | $39,896,922 | Mixed | 26 Jun 2026 | ||
| Matthew Fraser Ahearn | Chief Operating Officer, Director | $5,220,946 | -$839,060 | -14% | Filing P/S | 14 Aug 2026 |
| Robert Joseph Ball | CEO & Executive Chairman, Director | $4,359,561 | +$263,156 | +6.4% | Mixed | 30 Apr 2026 |
| David Lawrence Blue | Officer | $1,694,763 | Mixed | 30 Jan 2026 | ||
| Jonathan E. Osborne | Chief Commercial Officer | $1,223,999 | Median | 06 Aug 2026 | ||
| Jeffrey S. Points | Chief Financial Officer | $1,062,448 | +$84,704 | +8.7% | Mixed | 13 Mar 2026 |
| Paul Buckman | Director | $926,287 | Mixed | 26 Jun 2026 | ||
| Kevin K. Sidow | Director | $364,063 | Mixed | 26 Jun 2026 | ||
| Richard Buchholz | Director | $271,885 | +$14,840 | +5.8% | Mixed | 26 Jun 2026 |
| Andrew Hykes | Director | $98,353 | Mixed | 26 Jun 2026 | ||
| Geoffrey B. Pardo | Director, 10%+ Owner | Mixed | 01 Aug 2025 | |||
| Michael A. Carusi | Director | Mixed | 01 Aug 2025 | |||
| LSV Associates II, LLC | Former 10% Owner | Mixed | 01 Aug 2025 |
Recent insider transactions for SHOULDER INNOVATIONS, INC.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.05% | $27,030 | $22.60 | -1,196 | 2,185,914 | 26 Aug 2026 | See footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.03% | $15,404 | $22.62 | -681 | 2,187,110 | 24 Aug 2026 | See footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.93% | $463,867 | $22.61 | -20,516 | 2,187,791 | 21 Aug 2026 | See footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.18% | $88,140 | $22.60 | -3,900 | 2,208,307 | 20 Aug 2026 | See footnote |
| Matthew Fraser Ahearn | SI | Common Stock | Sale | -5.49% | $297,704 | $20.99 | -14,186 | 244,176 | 18 Aug 2026 | Direct |
| Matthew Fraser Ahearn | SI | Common Stock | Sale | -3.12% | $167,101 | $20.10 | -8,314 | 258,362 | 17 Aug 2026 | Direct |
| Matthew Fraser Ahearn | SI | Common Stock | Gift | -0.93% | -2,500 | 266,676 | 14 Aug 2026 | Direct | ||
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.09% | $47,347 | $22.60 | -2,095 | 2,212,207 | 06 Aug 2026 | See footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.33% | $166,132 | $22.64 | -7,338 | 2,214,302 | 05 Aug 2026 | See footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -4.3% | $2,272,719 | $22.77 | -99,812 | 2,221,640 | 04 Aug 2026 | See footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.46% | $244,155 | $22.71 | -10,751 | 2,321,452 | 03 Aug 2026 | See footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -0.85% | $455,373 | $22.73 | -20,034 | 2,332,203 | 31 Jul 2026 | See Footnote |
| Gilde Healthcare Holding B.V. | SI | Common Stock | Sale | -1.19% | $659,803 | $23.36 | -28,245 | 2,352,237 | 30 Jul 2026 | See Footnote |
| Casey M. Tansey | SI | Common Stock | Award | 10.6% | 5,046 | 52,712 | 26 Jun 2026 | Direct | ||
| Kevin K. Sidow | SI | Common Stock | Award | 25.2% | 5,046 | 25,056 | 26 Jun 2026 | Direct | ||
| Andrew Hykes | SI | Common Stock | Award | 292.9% | 5,046 | 6,769 | 26 Jun 2026 | Direct | ||
| Paul Buckman | SI | Common Stock | Award | 8.6% | 5,046 | 63,750 | 26 Jun 2026 | Direct | ||
| Richard Buchholz | SI | Common Stock | Award | 36.9% | 5,046 | 18,712 | 26 Jun 2026 | Direct | ||
| Matthew Fraser Ahearn | SI | Common Stock | Sale | -1.52% | $78,070 | $18.84 | -4,144 | 269,176 | 15 Jun 2026 | Direct |
| Matthew Fraser Ahearn | SI | Common Stock | Sale | -5.48% | $296,185 | $18.68 | -15,856 | 273,320 | 12 Jun 2026 | Direct |
| Robert Joseph Ball | SI | Common Stock | Options Exercise | 3.45% | 10,000 | 300,018 | 30 Apr 2026 | Direct | ||
| Robert Joseph Ball | SI | Stock Option | Options Exercise | -3.13% | -10,000 | 309,756 | 30 Apr 2026 | Direct | ||
| Matthew Fraser Ahearn | SI | Common Stock | Options Exercise | 8.17% | 21,664 | 286,765 | 20 Apr 2026 | Direct | ||
| Matthew Fraser Ahearn | SI | Stock Option | Options Exercise | -71% | -21,664 | 8,864 | 20 Apr 2026 | Direct | ||
| Jeffrey S. Points | SI | Common Stock | Purchase | 2.91% | $30,000 | $15.00 | 2,000 | 70,785 | 13 Mar 2026 | Direct |
| Jeffrey S. Points | SI | Common Stock | Options Exercise | 23.9% | 13,264 | 68,785 | 13 Mar 2026 | Direct | ||
| Jeffrey S. Points | SI | Stock Option | Options Exercise | -24% | -13,264 | 42,004 | 13 Mar 2026 | Direct | ||
| Paul Buckman | SI | Common Stock | Tax liability | -10.7% | -7,006 | 58,704 | 13 Mar 2026 | Direct | ||
| Paul Buckman | SI | Common Stock | Options Exercise | 226.8% | 45,606 | 65,710 | 13 Mar 2026 | Direct | ||
| Paul Buckman | SI | Stock Option | Options Exercise | -100% | -45,606 | 0 | 13 Mar 2026 | Direct | ||
| Richard Buchholz | SI | Common Stock | Purchase | 7.9% | $14,840 | $14.84 | 1,000 | 13,666 | 13 Mar 2026 | Direct |
| Robert Joseph Ball | SI | Common Stock | Purchase | 0.8% | $33,392 | $15.18 | 2,200 | 278,866 | 13 Mar 2026 | Direct |
| Robert Joseph Ball | SI | Common Stock | Options Exercise | 4.56% | 12,062 | 276,666 | 06 Feb 2026 | Direct | ||
| Robert Joseph Ball | SI | Stock Option | Options Exercise | -6.24% | -12,062 | 181,376 | 06 Feb 2026 | Direct | ||
| David Lawrence Blue | SI | Stock Option | Award | 88,450 | 88,450 | 30 Jan 2026 | Direct | |||
| Robert Joseph Ball | SI | Stock Option | Award | 265,351 | 265,351 | 30 Jan 2026 | Direct | |||
| Matthew Fraser Ahearn | SI | Stock Option | Award | 88,450 | 88,450 | 30 Jan 2026 | Direct | |||
| Jeffrey S. Points | SI | Stock Option | Award | 126,357 | 126,357 | 30 Jan 2026 | Direct | |||
| Jeffrey S. Points | SI | Common Stock | Award | 1.98% | 1,076 | 55,521 | 31 Dec 2025 | Direct | ||
| David Lawrence Blue | SI | Common Stock | Award | 0.75% | 1,041 | 139,372 | 31 Dec 2025 | Direct | ||
| Robert Joseph Ball | SI | Common Stock | Award | 1.4% | 1,661 | 120,118 | 31 Dec 2025 | Direct | ||
| Matthew Fraser Ahearn | SI | Common Stock | Award | 0.22% | 477 | 215,856 | 31 Dec 2025 | Direct | ||
| Robert Joseph Ball | SI | Common Stock | Purchase | 3.4% | $58,075 | $14.89 | 3,900 | 118,457 | 12 Dec 2025 | Direct |
| Jeffrey S. Points | SI | Common Stock | Purchase | 1.88% | $15,055 | $14.98 | 1,005 | 54,445 | 12 Dec 2025 | Direct |
| Robert Joseph Ball | SI | Common Stock | Purchase | 2.97% | $48,934 | $14.83 | 3,300 | 114,557 | 11 Dec 2025 | Direct |
| Jeffrey S. Points | SI | Common Stock | Purchase | 1.9% | $14,577 | $14.65 | 995 | 53,440 | 11 Dec 2025 | Direct |
| Jeffrey S. Points | SI | Common Stock | Purchase | 3.15% | $25,072 | $15.67 | 1,600 | 52,445 | 12 Sep 2025 | Direct |
| David Lawrence Blue | SI | Common Stock | Options Exercise | 214.8% | 94,394 | 138,331 | 12 Sep 2025 | Direct | ||
| David Lawrence Blue | SI | Stock Option | Options Exercise | -100% | -94,394 | 0 | 12 Sep 2025 | Direct | ||
| Robert Joseph Ball | SI | Common Stock | Purchase | 5.7% | $92,945 | $15.49 | 6,000 | 111,259 | 12 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.