Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share (LRMR)

Q: What does CUSIP 517125100 represent in this 13F holders report?

CUSIP 517125100 is the security identifier for LRMR - Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held LRMR - Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share in Q3 2021?

50 institutional investors reported LRMR - Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share for Q3 2021. Use the holders table for investor-level position and value details.

CUSIP: 517125100

Q3 2021 13F Holders as of 30 Sep 2021

Type / Class: Equity / Common Stock, par value $0.001 per share
Shares outstanding: 103,579,371
Total 13F shares: 14,519,322
Share change: -24,683
Total reported value: $167,488,004
Price per share: $11.53
Number of holders: 50
Value change: +$199,976
Number of buys: 28
Number of sells: 13

Quarterly Holders Quick Answers

What is CUSIP 517125100?
CUSIP 517125100 identifies LRMR - Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2021
Previous quarter: Q2 2021

Recent filing periods for CUSIP 517125100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	5.6%	5,830,249	$57,253,000	—	30 Jun 2021	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	1.5%	1,515,151	$14,879,000	—	30 Jun 2021	13F
CHI Advisors LLC	13F	Company	1.5%	1,515,148	$14,879,000	—	30 Jun 2021	13F
Vivo Capital, LLC	13F	Company	0.77%	799,662	$7,853,000	—	30 Jun 2021	13F
Opaleye Management Inc.	13F	Company	0.7%	727,800	$7,147,000	—	30 Jun 2021	13F
VANGUARD GROUP INC	13F	Company	0.64%	664,370	$6,525,000	—	30 Jun 2021	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.58%	600,960	$5,886,000	—	30 Jun 2021	13F
CITADEL ADVISORS LLC	13F	Company	0.3%	308,143	$3,026,000	—	30 Jun 2021	13F
Atlas Venture Advisors, Inc.	13F	Company	0.28%	292,184	$2,869,000	—	30 Jun 2021	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.25%	257,868	$2,532,000	—	30 Jun 2021	13F
683 Capital Management, LLC	13F	Company	0.25%	256,620	$2,520,000	—	30 Jun 2021	13F
BlackRock Finance, Inc.	13F	Company	0.24%	251,900	$2,473,000	—	30 Jun 2021	13F
Verition Fund Management LLC	13F	Company	0.24%	244,675	$2,403,000	—	30 Jun 2021	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.2%	210,500	$2,067,000	—	30 Jun 2021	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.19%	195,774	$1,923,000	—	30 Jun 2021	13F
Fi3 FINANCIAL ADVISORS, LLC	13F	Company	0.12%	121,818	$1,218,000	—	30 Jun 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.11%	112,454	$1,104,000	—	30 Jun 2021	13F
Ghost Tree Capital, LLC	13F	Company	0.1%	100,000	$982,000	—	30 Jun 2021	13F
Point72 Asset Management, L.P.	13F	Company	0.1%	99,160	$974,000	—	30 Jun 2021	13F
DAFNA Capital Management LLC	13F	Company	0.07%	76,987	$756,000	—	30 Jun 2021	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.07%	76,680	$753,000	—	30 Jun 2021	13F
Ikarian Capital, LLC	13F	Company	0.05%	52,968	$520,000	—	30 Jun 2021	13F
STATE STREET CORP	13F	Company	0.04%	39,033	$383,000	—	30 Jun 2021	13F
MORGAN STANLEY	13F	Company	0.03%	34,586	$339,000	—	30 Jun 2021	13F
ROYCE & ASSOCIATES LP	13F	Company	0.03%	28,064	$276,000	—	30 Jun 2021	13F
MARSHALL WACE, LLP	13F	Company	0.02%	24,494	$240,000	—	30 Jun 2021	13F
NORTHERN TRUST CORP	13F	Company	0.02%	24,358	$239,000	—	30 Jun 2021	13F
Bank of New York Mellon Corp	13F	Company	0.02%	18,973	$187,000	—	30 Jun 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.01%	14,314	$141,000	—	30 Jun 2021	13F
CITIGROUP INC	13F	Company	0.01%	13,718	$135,000	—	30 Jun 2021	13F
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	0.01%	10,163	$100,000	—	30 Jun 2021	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.01%	6,634	$65,000	—	30 Jun 2021	13F
Solstein Capital, LLC	13F	Company	0%	4,477	$44,000	—	30 Jun 2021	13F
FIRST MANHATTAN CO. LLC.	13F	Company	0%	4,000	$39,000	—	30 Jun 2021	13F
Cubist Systematic Strategies, LLC	13F	Company	0%	3,250	$32,000	—	30 Jun 2021	13F
Zurcher Kantonalbank (Zurich Cantonalbank)	13F	Company	0%	2,635	$26,000	—	30 Jun 2021	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	1,345	$13,000	—	30 Jun 2021	13F
US BANCORP \DE\	13F	Company	0%	1,175	$12,000	—	30 Jun 2021	13F
JPMORGAN CHASE & CO	13F	Company	0%	751	$7,000	—	30 Jun 2021	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0%	457	$4,000	—	30 Jun 2021	13F
Penserra Capital Management LLC	13F	Company	0%	350	$3,000	—	30 Jun 2021	13F
SIMPLEX TRADING, LLC	13F	Company	0%	157	$1,000	—	30 Jun 2021	13F
Disciplined Investments, LLC	13F	Company	0%	116	$1,000	—	30 Jun 2021	13F
Daniel Thomas O	3/4/5	Director	— class O/S missing	8,300	—	—	12 May 2021	3/4/5

Institutional Holders of Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share (LRMR) as of Q3 2021

As of 30 Sep 2021, Larimar Therapeutics, Inc. - Common Stock, par value $0.001 per share (LRMR) was held by 50 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 14,519,322 shares. The largest 10 holders included DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C), RA CAPITAL MANAGEMENT, L.P., CHI Advisors LLC, Opaleye Management Inc., JANUS HENDERSON GROUP PLC, VANGUARD GROUP INC, Vivo Capital, LLC, CITADEL ADVISORS LLC, Atlas Venture Advisors, Inc., and 683 Capital Management, LLC. This page lists 50 institutional shareholders reporting positions in this security for the Q3 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2021 vs Q2 2021 Across Filers

Q2 2021 holders

Q3 2021 holders

Holder diff

Investor	Q2 2021 Shares	Q3 2021 Shares	Share Diff	Share Chg %	Q2 2021 Value $	Q3 2021 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.