LRMR | LARIMAR THERAP | Owners

S&P 500$7,666.45
+0.19%
2m
DOW 30$50,926.56
+0.04%
2m
NASDAQ 100$30,501.56
+0.31%
2m
Russell 2000$279.02
+0.41%
2m
Russell 1000$416.97
+0.20%
2m
S&P 400$3,633.16
+1.03%
2m
S&P 600$1,665.65
+0.65%
2m

LARIMAR THERAP (LRMR)

NASDAQ

$2.97-$0.09 (-2.94%)

Price as of Oct 02, 2026 4:30 PM EDT

$317.9M
Market Cap
-28.50%
1-Year Change
Biotechnology
Industry

Top Holders

Institutional

Mutual Funds

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)	34.28%	35.6M	0 (0.00%)	Jun 30, 2026
BLUE OWL CAPITAL HOLDINGS LP	8.82%	9.2M	+2.0M (+22.30%)	Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.	5.82%	6.0M	0 (0.00%)	Sep 30, 2025
DEERFIELD MANAGEMENT CO	5.61%	5.8M	0 (0.00%)	Dec 31, 2021
BLACKROCK, INC.	5.47%	5.7M	+1.9M (+33.92%)	Jun 30, 2026
OPALEYE MANAGEMENT INC.	3.58%	3.7M	-389,133 (-10.46%)	Sep 30, 2025
DEFILADE CAPITAL MANAGEMENT, L.P.	3.53%	3.7M	+3.7M (+100.00%)	Jun 30, 2026

Holder	Ownership %	Shares Held	Change (Shares, %)	Report Date
VANGUARD INDEX FUNDS	2.80%	2.9M	+108,552 (+3.74%)	Jun 30, 2026
FIDELITY COVINGTON TRUST	0.79%	819,982	0 (0.00%)	Jul 31, 2026
COLLEGE RETIREMENT EQUITIES FUND	0.73%	757,603	+278,070 (+36.70%)	Jun 30, 2026
FIDELITY SALEM STREET TRUST	0.71%	736,195	+674,068 (+91.56%)	Jul 31, 2026
VANGUARD EXPLORER FUND	0.63%	659,133	+659,133 (+100.00%)	Jul 31, 2026
FIDELITY ADVISOR SERIES VII	0.51%	524,800	0 (0.00%)	Jul 31, 2026
Dimensional ETF Trust	0.47%	486,228	+125,528 (+25.82%)	Jul 31, 2026

Current Ownership Distribution

Institutions1.0B (91.62%)
Mutual Funds82.7M (7.48%)
Insiders10.0M (0.90%)
Other0 (0.00%)

Insider Transactions

0.90% (10.0M)
Current InsiderOwnership (%, shares)
2
Number of InsiderBuying (last 12 months)
$155.3M
Amount of InsiderBuying (last 12 months)
0
Number of InsiderSelling (last 12 months)
$0.00
Amount of InsiderSelling (last 12 months)

Insider Name & Title	Type	Date	Transaction Value	Shares	Share Price	Shares After Transactions
Harlow John B. Jr. President and COO	Award	Sep 29, 2026	$0.00	800,000	$0.00	800,000
Harlow John B. Jr. President and COO	Award	Sep 29, 2026	$0.00	50,000	$0.00	50,000
Hamilton Thomas Edward	Buy	Jul 06, 2026	$166,890.00	50,000	$3.34	714,798
Flynn James E	Buy	Feb 27, 2026	$5.4M	1.1M	$5.00	10.6M
Flynn James E	Buy	Feb 27, 2026	$5.4M	1.1M	$5.00	10.6M
Flynn James E	Buy	Feb 27, 2026	$4.2M	831,978	$5.00	8.2M
Flynn James E	Buy	Feb 27, 2026	$10.0M	2.0M	$5.00	6.2M
Celano Michael Chief Financial Officer	Award	Jan 26, 2026	$0.00	225,622	$0.00	225,622
Clayton Russell Chief Medical Officer	Award	Jan 26, 2026	$0.00	153,822	$0.00	153,822
BEN-MAIMON CAROLE President and CEO	Award	Jan 26, 2026	$0.00	600,600	$0.00	600,600
Shankar Gopi Chief Development Officer	Award	Jan 26, 2026	$0.00	153,822	$0.00	153,822
Celano Michael Chief Financial Officer	Award	Jan 26, 2026	$0.00	37,604	$0.00	215,785
Clayton Russell Chief Medical Officer	Award	Jan 26, 2026	$0.00	25,637	$0.00	71,443
BEN-MAIMON CAROLE President and CEO	Award	Jan 26, 2026	$0.00	100,100	$0.00	368,276
Shankar Gopi Chief Development Officer	Award	Jan 26, 2026	$0.00	25,637	$0.00	76,443
Flynn James E	Buy	Jul 31, 2025	$10.8M	3.4M	$3.20	9.5M
Flynn James E	Buy	Jul 31, 2025	$10.8M	3.4M	$3.20	9.5M
Flynn James E	Buy	Jul 31, 2025	$8.3M	2.6M	$3.20	7.3M
Celano Michael Chief Financial Officer	Award	Jan 22, 2025	$0.00	205,111	$0.00	205,111
BEN-MAIMON CAROLE President and CEO	Award	Jan 22, 2025	$0.00	546,000	$0.00	546,000
Clayton Russell Chief Medical Officer	Award	Jan 22, 2025	$0.00	139,838	$0.00	139,838
Shankar Gopi Chief Development Officer	Award	Jan 22, 2025	$0.00	139,838	$0.00	139,838
Celano Michael Chief Financial Officer	Award	Jan 22, 2025	$0.00	34,185	$0.00	178,181
BEN-MAIMON CAROLE President and CEO	Award	Jan 22, 2025	$0.00	91,000	$0.00	387,208
Clayton Russell Chief Medical Officer	Award	Jan 22, 2025	$0.00	23,306	$0.00	45,806
Shankar Gopi Chief Development Officer	Award	Jan 22, 2025	$0.00	23,306	$0.00	50,806