Security key
517125100
Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share (LRMR)
CUSIP: 517125100
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 27,762,685
- Total 13F value
- $84,803,803
- Share change
- +3,922,542
- SEC-reported price per share
- $3.05
- Number of holders
- 89
- Value change
- +$7,402,571
- Number of buys
- 54
- Number of sells
- 34
- Shares outstanding
- 107,502,422
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
89
Top holders
10
LRMR full security history
Ownership snapshot
Full 13F holder table
Larimar Therapeutics, Inc. SEC filings
Larimar Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 517125100
Recent filing periods:
Ownership snapshot
Top reported holders of LRMR - Larimar Therapeutics, Inc. - Common Stock, par value $0.001 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
James E. Flynn
Disclosed value leader
James E. Flynn
Comparable rows
15/15
Latest evidence
19 May 2026
3/4/5
13D/G
13F
Lead comparable stake: 34%
13D/G row: James E. Flynn
Showing 1-6 of 15 holder rows.
Quick read
James E. Flynn leads the comparable SEC ownership view at 34%.
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 James E. Flynn's linked filing trail.
Comparable ownership
Top 5
James E. Flynn
34%
Blue Owl Capital Holdings LP
10%
BlackRock, Inc.
4.8%
Opaleye Management Inc.
4.8%
GOLDMAN SACHS GROUP INC
4.1%
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 |
|---|---|---|---|---|---|
| James E. Flynn |
3/4/5
13D/G
Director, * Director by Deputization, 10%+ Owner · Deerfield Management Company, L.P.
|
34%
from 13D/G
|
$178,034,870
35,662,124 shares
mixed-class rows
|
+$25,000,000 | 19 May 2026 |
| Blue Owl Capital Holdings LP |
13D/G
13F
Company
|
10%
|
$54,234,435
10,739,492 shares
|
+$11,487,886 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
4.8%
from 13D/G
|
$16,884,902
3,752,200 shares
|
— | 31 Mar 2026 |
| Opaleye Management Inc. |
13D/G
|
4.8%
|
$15,412,500
4,110,000 shares
|
+$590,966 | 29 Aug 2025 |
| GOLDMAN SACHS GROUP INC |
13F
13D/G
Company · THE GOLDMAN SACHS GROUP, INC.
|
4.1%
from 13D/G
|
$7,027,133
1,561,585 shares
|
— | 31 Mar 2026 |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
Company
|
3.5%
|
$16,313,751
3,625,278 shares
|
-$6,036,988 | 31 Mar 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.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
89
Shares
27,762,685
Rows available
89
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
162
Q2 2026 holders
89
Holder diff
-73
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend