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LRMR · Larimar Therapeutics, Inc. · Holdings

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$4.00 -0.08 (-1.84%) At close · Sep 9
Russell 2000 member Rebalance outlook locked
Going-concern doubt — flagged Aug 4, 2026

Substantial doubt about the company's ability to continue as a going concern.

“While the Company expects its cash, cash equivalents and marketable securities will fund its forecasted operating expenses and capital expenditure requirements into the third quarter of 2027, these cash resources are not sufficient to fund the Company's planned operations for a period of at least one year from the date these unaudited condensed consolidated financial statements are issued. The Company will need to raise additional capital to fund its ongoing operations. The Company continues to evaluate opportunities to further finance its operating cash needs through a combination of some, or all, of the following: equity or debt offerings, royalty financings, collaborations, strategic alliances, and/or marketing, distribution or licensing arrangements. In addition, the Company believes it will be eligible for the FDA's rare pediatric disease priority review voucher which could then be sold if nomlabofusp receives FDA approval. There is no assurance, however, that additional financing will be available when needed or that the Company will be able to obtain financing on terms acceptable to the Company. If the Company is unable to obtain funding when required in the future, the Company could be required to delay, reduce, or eliminate research and development programs, or commercialization efforts, which could adversely affect its business prospects. These conditions raise substantial doubt about the Company's ability to continue as a going concern.”
View the 10-Q filed Aug 4, 2026
Market Cap
$403.59M
Shares
103.88M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →
Holders: 163
Total Value: $294,664,722
Total Shares: 96,611,415
Showing 1–100 of 169 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 163 13F filers · Δ vs Mar 31, 2026
Top Holder
36.9%
Sep 2023 → Jun 2026 · range 31.7% – 43.7%
−3.4 pts
Top 5
59.3%
Sep 2023 → Jun 2026 · range 55.6% – 70.2%
−0.7 pts
Top 10
71.6%
Sep 2023 → Jun 2026 · range 71.6% – 83.7%
−0.7 pts
HHI
1,568
Sep 2023 → Jun 2026 · range 1,296 – 2,152
Moderately concentrated−216

Quarterly Activity

vs Mar 31, 2026
New
33
Increased
68
Decreased
41
Sold Out
32
Unchanged
21
Holder count: +1
Institutional value: -26.0%
Shares held: +9.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
Blue Owl Capital Holdings LP +2,043,150 9,163,157
BlackRock, Inc. +1,925,835 5,678,035
AQR CAPITAL MANAGEMENT LLC +1,553,897 2,371,414
CITADEL ADVISORS LLC +1,116,793 1,716,925
MARSHALL WACE, LLP +1,078,994 2,012,458

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
MILLENNIUM MANAGEMENT LLC −2,292,241 1,333,037
Point72 Asset Management, L.P. −912,579 134,806
Soleus Capital Management, L.P. −878,858 188,102
Caption Management, LLC −606,206 193,018
JANE STREET GROUP, LLC −555,271 101,936

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open
Defilade Capital Management, L.P. 3,670,135 $11,193,911
SPHERA FUNDS MANAGEMENT LTD. 926,004 $2,824,312
Hennion & Walsh Asset Management, Inc. 396,726 $1,210,014
Susquehanna Portfolio Strategies, LLC 165,156 $503,725
Squarepoint Ops LLC 113,474 $346,095

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
AIGH Capital Management LLC 3,000,000 $13,499,999
Deep Track Capital, LP 1,500,000 $6,750,000
D. E. Shaw & Co., Inc. 575,624 $2,590,308
ADAGE CAPITAL PARTNERS GP, L.L.C. 300,000 $1,350,000
WELLINGTON MANAGEMENT GROUP LLP 136,530 $614,384
Filter: New 33 Increased 68 Reduced 41 Sold out 32 Unchanged 21
Showing 100 of 169
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
DEERFIELD MANAGEMENT COMPANY, L.P. $108,601,270 36.86% 35,606,974
Blue Owl Capital Holdings LP $27,947,628 9.48% 9,163,157
BlackRock, Inc. $17,318,002 5.88% 5,678,035
Defilade Capital Management, L.P. $11,193,911 3.80% 3,670,135
Driehaus Capital Management LLC $9,648,440 3.27% 3,163,423
VANGUARD CAPITAL MANAGEMENT LLC $9,073,448 3.08% 2,974,901
RTW INVESTMENTS, LP $7,826,296 2.66% 2,565,999
AQR CAPITAL MANAGEMENT LLC $7,232,810 2.45% 2,371,414
MARSHALL WACE, LLP $6,137,996 2.08% 2,012,458
DAFNA Capital Management LLC $6,124,900 2.08% 2,008,164
GOLDMAN SACHS GROUP INC $5,346,375 1.81% 1,752,910
GEODE CAPITAL MANAGEMENT, LLC $5,120,958 1.74% 1,679,003
Qube Research & Technologies Ltd $5,005,178 1.70% 1,641,042
CITADEL ADVISORS LLC $4,443,316 1.51% 1,456,825
STATE STREET CORP $4,306,002 1.46% 1,411,804
VANGUARD PORTFOLIO MANAGEMENT LLC $4,279,674 1.45% 1,403,172
Woodline Partners LP $4,272,592 1.45% 1,400,850
MILLENNIUM MANAGEMENT LLC $4,065,762 1.38% 1,333,037
DIMENSIONAL FUND ADVISORS LP $2,931,300 0.99% 961,083
FMR LLC $2,858,971 0.97% 937,368
SPHERA FUNDS MANAGEMENT LTD. $2,824,312 0.96% 926,004
Nuveen, LLC $2,730,676 0.93% 895,304
Alyeska Investment Group, L.P. $1,882,493 0.64% 617,211
NORTHERN TRUST CORP $1,678,309 0.57% 550,266
SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,580,815 0.54% 518,300
VANGUARD FIDUCIARY TRUST CO $1,366,912 0.46% 448,168
LOS ANGELES CAPITAL MANAGEMENT LLC $1,218,603 0.41% 399,542
Hennion & Walsh Asset Management, Inc. $1,210,014 0.41% 396,726
SummitTX Capital, L.P. $1,074,466 0.36% 352,284
JPMORGAN CHASE & CO $1,000,444 0.34% 328,015
Gem Investment Advisors, LLC $974,532 0.33% 319,519
Burkehill Global Management, LP $915,000 0.31% 300,000
RENAISSANCE TECHNOLOGIES LLC $907,201 0.31% 297,443
ADAR1 Capital Management, LLC $831,872 0.28% 272,745
Cerity Partners LLC $828,323 0.28% 271,582
SUSQUEHANNA INTERNATIONAL GROUP, LLP $821,975 0.28% 269,500
CITADEL ADVISORS LLC $732,610 0.25% 240,200
TWO SIGMA INVESTMENTS, LP $720,205 0.24% 236,133
Seven Fleet Capital Management LP $704,309 0.24% 230,921
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $631,255 0.21% 206,969
IEQ CAPITAL, LLC $620,257 0.21% 203,363
Caption Management, LLC $588,704 0.20% 193,018
Soleus Capital Management, L.P. $573,711 0.19% 188,102
JACOBS LEVY EQUITY MANAGEMENT, INC $520,253 0.18% 170,575
Susquehanna Portfolio Strategies, LLC $503,725 0.17% 165,156
DIADEMA PARTNERS LP $447,242 0.15% 146,637
SUSQUEHANNA INTERNATIONAL GROUP, LLP $440,505 0.15% 144,428
UBS Group AG $440,194 0.15% 144,326
Bank of New York Mellon Corp $423,433 0.14% 138,831
STATE OF WISCONSIN INVESTMENT BOARD $421,497 0.14% 138,196
Jump Financial, LLC $413,583 0.14% 135,601
Point72 Asset Management, L.P. $411,158 0.14% 134,806
Invesco Ltd. $410,172 0.14% 134,483
PRUDENTIAL FINANCIAL INC $391,690 0.13% 128,423
Creative Planning $356,242 0.12% 116,801
Mariner, LLC $349,057 0.12% 114,445
Squarepoint Ops LLC $346,095 0.12% 113,474
Man Group plc $344,799 0.12% 113,049
ALLIANCEBERNSTEIN L.P. $330,071 0.11% 108,220
DEUTSCHE BANK AG\ $294,090 0.10% 96,423
FEDERATED HERMES, INC. $277,092 0.09% 90,850
ExodusPoint Capital Management, LP $275,759 0.09% 90,413
GOLDMAN SACHS GROUP INC $274,500 0.09% 90,000
MORGAN STANLEY $264,914 0.09% 86,858
CARY STREET PARTNERS FINANCIAL LLC $259,250 0.09% 85,000
JANE STREET GROUP, LLC $224,894 0.08% 73,736
RHUMBLINE ADVISERS $219,258 0.07% 71,888
MERCER GLOBAL ADVISORS INC /ADV $210,248 0.07% 68,934
Quantbot Technologies LP $209,751 0.07% 68,771
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $194,224 0.07% 63,680
WELLS FARGO & COMPANY/MN $189,414 0.06% 62,103
Connor, Clark & Lunn Investment Management Ltd. $182,353 0.06% 59,788
CANADA PENSION PLAN INVESTMENT BOARD $182,085 0.06% 59,700
SIMPLEX TRADING, LLC $178,754 0.06% 58,608
ACADIAN ASSET MANAGEMENT LLC $175,201 0.06% 57,443
XTX Topco Ltd $168,387 0.06% 55,209
PRICE T ROWE ASSOCIATES INC /MD/ $166,618 0.06% 54,629
CIBC WORLD MARKET INC. $161,650 0.05% 53,000
WINTON GROUP Ltd $159,820 0.05% 52,400
GSA CAPITAL PARTNERS LLP $152,737 0.05% 50,078
BANK OF AMERICA CORP /DE/ $145,189 0.05% 47,603
Pale Fire Capital SE $131,150 0.04% 43,000
Next Level Private LLC $127,185 0.04% 41,700
BRIDGEWAY CAPITAL MANAGEMENT, LLC $125,708 0.04% 41,216
MetLife Investment Management, LLC $121,383 0.04% 39,798
HighTower Advisors, LLC $114,978 0.04% 37,698
Persistent Asset Partners Ltd $113,990 0.04% 37,374
CITIGROUP INC $108,689 0.04% 35,636
Velan Capital Investment Management LP $100,650 0.03% 33,000
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $93,488 0.03% 30,652
JANE STREET GROUP, LLC $86,010 0.03% 28,200
Russell Investments Group, Ltd. $83,459 0.03% 27,364
STRS OHIO $80,825 0.03% 26,500
AMERICAN CENTURY COMPANIES INC $80,724 0.03% 26,467
BARCLAYS PLC $79,168 0.03% 25,957
CAPTRUST FINANCIAL ADVISORS $76,893 0.03% 25,211
COMMONWEALTH EQUITY SERVICES, LLC $70,354 0.02% 23,067
Corient Private Wealth LLC $69,158 0.02% 22,675
Engineers Gate Manager LP $68,798 0.02% 22,557
Vanguard Global Advisers, LLC $64,193 0.02% 21,047
Key facts CIK 1374690 CUSIP 517125100 13F (30d) 114 filings 114 filers Visit website