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DaveManuel.com · Institutional Ownership · Who Owns It

LARIMAR THERAPEUTICS INC (LRMR)

Institutional ownership reported to the SEC as of Q2 2026, across 26 quarters.

162
Reporting holders
$296.1M
Reported value
91.9%
Of shares outstanding
0.6%
Calls
1.0%
Puts
-2
Holder change

Institutions report 95,448,874 shares against 103,882,937 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. A figure this high can overstate: where an adviser and a sub-adviser both report the same shares, both are counted.

Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.

Holders

Download these holders as CSV

FilerValueShares Their book Held Change
DEERFIELD MANAGEMENT COMPANY, L.P.$108.6M35,606,9741.13%25qHELD
Blue Owl Capital Holdings LP$28.1M
incl. $145.7K options CALL
9,163,1574.23%11q+13.2%+$3.3M
BlackRock, Inc.$17.3M5,678,0350.00%8q+51.3%+$5.9M
Defilade Capital Management, L.P.$11.2M3,670,1351.50%newNEW
Driehaus Capital Management LLC$9.6M3,163,4230.06%10q+7.8%+$698.5K
VANGUARD CAPITAL MANAGEMENT LLC$9.1M2,974,9010.00%2q+3.8%+$331.1K
RTW INVESTMENTS, LP$7.8M2,565,9990.07%4q+71.1%+$3.3M
AQR CAPITAL MANAGEMENT LLC$7.2M2,371,4140.00%6q+190.1%+$4.7M
MARSHALL WACE, LLP$6.1M2,012,4580.00%2q+115.6%+$3.3M
DAFNA Capital Management LLC$6.1M2,008,1641.17%25q-1.0%-$64.0K
GOLDMAN SACHS GROUP INC$5.6M
incl. $274.5K options CALL
1,752,9100.00%16q+12.3%+$613.5K
CITADEL ADVISORS LLC$5.2M
incl. $793.3K options CALL+PUT
1,456,8250.00%18q+180.6%+$3.4M
GEODE CAPITAL MANAGEMENT, LLC$5.1M1,679,0030.00%25q+51.4%+$1.7M
Qube Research & Technologies Ltd$5.0M1,641,0420.00%2q+93.6%+$2.4M
STATE STREET CORP$4.3M1,411,8040.00%21q+54.9%+$1.5M
VANGUARD PORTFOLIO MANAGEMENT LLC$4.3M1,403,1720.00%2q+245.1%+$3.0M
Woodline Partners LP$4.3M1,400,8500.01%16qHELD
MILLENNIUM MANAGEMENT LLC$4.1M1,333,0370.00%10q-63.2%-$7.0M
DIMENSIONAL FUND ADVISORS LP$2.9M961,0830.00%20q+20.4%+$496.2K
FMR LLC$2.9M937,3680.00%13q+1374.5%+$2.7M
SUSQUEHANNA INTERNATIONAL GROUP, LLP$2.8M
incl. $2.4M options CALL+PUT
144,4280.00%14q+3.1%+$86.0K
SPHERA FUNDS MANAGEMENT LTD.$2.8M926,0040.37%newNEW
Nuveen, LLC$2.7M895,3040.00%6q+32.7%+$672.2K
Alyeska Investment Group, L.P.$1.9M617,2110.00%10qHELD
NORTHERN TRUST CORP$1.7M550,2660.00%24q+46.2%+$530.0K
VANGUARD FIDUCIARY TRUST CO$1.4M448,1680.00%2q+54.7%+$483.5K
Fi3 FINANCIAL ADVISORS, LLC$1.3M2,915?0.30%22q
LOS ANGELES CAPITAL MANAGEMENT LLC$1.2M399,5420.00%2q+2117.0%+$1.2M
Hennion & Walsh Asset Management, Inc.$1.2M396,7260.03%newNEW
SummitTX Capital, L.P.$1.1M352,2840.03%2q-7.2%-$83.8K
JPMORGAN CHASE & CO$1.0M328,0150.00%21q-1.1%-$12.2K
Gem Investment Advisors, LLC$974.5K319,5190.60%3q-62.6%-$1.6M
SIMPLEX TRADING, LLC$939.1K
incl. $760.4K options CALL+PUT
58,6080.00%10qHELD
Burkehill Global Management, LP$915.0K300,0000.03%2qHELD
RENAISSANCE TECHNOLOGIES LLC$907.2K297,4430.00%25q-59.8%-$1.3M
ADAR1 Capital Management, LLC$831.9K272,7450.04%5q+417.1%+$671.0K
Cerity Partners LLC$828.3K271,5820.00%5q+9.5%+$72.2K
TWO SIGMA INVESTMENTS, LP$720.2K236,1330.00%20q-50.4%-$730.4K
Seven Fleet Capital Management LP$704.3K230,9210.12%2q-10.0%-$78.3K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$631.3K206,9690.00%15q+42.4%+$188.0K
IEQ CAPITAL, LLC$620.3K203,3630.00%6q+78.3%+$272.4K
Caption Management, LLC$588.7K193,0180.00%5q-69.6%-$1.3M
Soleus Capital Management, L.P.$573.7K188,1020.02%2q-82.4%-$2.7M
JACOBS LEVY EQUITY MANAGEMENT, INC$520.3K170,5750.00%2q+0.8%+$4.4K
Susquehanna Portfolio Strategies, LLC$503.7K165,1560.01%newNEW
ALLIANCEBERNSTEIN L.P.$487.0K108,2200.00%9q+45.2%+$151.6K
DIADEMA PARTNERS LP$447.2K146,6370.06%2q-12.0%-$61.0K
UBS Group AG$440.2K144,3260.00%19q+386.0%+$349.6K
Bank of New York Mellon Corp$423.4K138,8310.00%22q+29.3%+$96.1K
STATE OF WISCONSIN INVESTMENT BOARD$421.5K138,1960.00%2q+379.9%+$333.7K
Jump Financial, LLC$413.6K135,6010.00%3q-54.8%-$500.5K
Point72 Asset Management, L.P.$411.2K134,8060.00%4q-87.1%-$2.8M
Invesco Ltd.$410.2K134,4830.00%11q+584.5%+$350.2K
PRUDENTIAL FINANCIAL INC$391.7K128,4230.00%2q+291.6%+$291.7K
Creative Planning$356.2K116,8010.00%4q+79.6%+$157.9K
Mariner, LLC$349.1K114,4450.00%2q+261.7%+$252.6K
Squarepoint Ops LLC$346.1K113,4740.00%newNEW
Man Group plc$344.8K113,0490.00%newNEW
JANE STREET GROUP, LLC$310.9K
incl. $86.0K options PUT
73,7360.00%5q-86.7%-$2.0M
DEUTSCHE BANK AG\$294.1K96,4230.00%11q+3.5%+$10.0K
FEDERATED HERMES, INC.$277.1K90,8500.00%5q+48.1%+$90.0K
ExodusPoint Capital Management, LP$275.8K90,4130.00%4q+241.9%+$195.1K
GROUP ONE TRADING LLC$273.3K
incl. $262.3K options CALL+PUT
3,5960.00%10qHELD
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$272.6K63,6800.00%5q+94.2%+$132.2K
MORGAN STANLEY$264.9K86,8580.00%25q-79.4%-$1.0M
CARY STREET PARTNERS FINANCIAL LLC$259.2K85,0000.01%newNEW
RHUMBLINE ADVISERS$219.2K71,8880.00%13q+14.7%+$28.1K
MERCER GLOBAL ADVISORS INC /ADV$210.2K68,9340.00%2q+303.5%+$158.1K
Quantbot Technologies LP$209.8K68,7710.01%2q+20676.7%+$208.7K
WELLS FARGO & COMPANY/MN$189.4K62,1030.00%15q+207.0%+$127.7K
Connor, Clark & Lunn Investment Management Ltd.$182.4K59,7880.00%3q-13.5%-$28.4K
CANADA PENSION PLAN INVESTMENT BOARD$182.1K59,7000.00%3qHELD
ACADIAN ASSET MANAGEMENT LLC$173.0K57,4430.00%3q-3.4%-$6.1K
XTX Topco Ltd$168.4K55,2090.00%5q+78.8%+$74.2K
PRICE T ROWE ASSOCIATES INC /MD/$167.0K54,6290.00%9q+57.1%+$60.7K
CIBC WORLD MARKET INC.$161.7K53,0000.00%2qHELD
WINTON GROUP Ltd$159.8K52,4000.01%newNEW
GSA CAPITAL PARTNERS LLP$153.0K50,0780.01%newNEW
BANK OF AMERICA CORP /DE/$145.2K47,6030.00%15q+0.5%
Pale Fire Capital SE$131.2K43,0000.01%newNEW
Next Level Private LLC$127.2K41,7000.02%5qHELD
BRIDGEWAY CAPITAL MANAGEMENT, LLC$125.7K41,2160.00%6qHELD
MetLife Investment Management, LLC$121.4K39,7980.00%5q+49.2%+$40.0K
HighTower Advisors, LLC$115.0K37,6980.00%2q-2.0%-$2.3K
Persistent Asset Partners Ltd$114.0K37,3740.03%2q-11.3%-$14.5K
CITIGROUP INC$108.7K35,6360.00%14q-1.3%-$1.4K
Velan Capital Investment Management LP$100.7K33,0000.06%7qHELD
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$93.5K30,6520.00%9q+32.7%+$23.1K
Russell Investments Group, Ltd.$83.5K27,3640.00%6q+662.4%+$72.5K
STRS OHIO$80.8K26,5000.00%13q+22.1%+$14.6K
AMERICAN CENTURY COMPANIES INC$80.7K26,4670.00%12q-65.9%-$156.1K
BARCLAYS PLC$79.2K25,9570.00%14q+58.5%+$29.2K
CAPTRUST FINANCIAL ADVISORS$76.9K25,2110.00%newNEW
COMMONWEALTH EQUITY SERVICES, LLC$70.3K23,0670.00%3q-6.9%-$5.2K
Corient Private Wealth LP$69.2K22,6750.00%newNEW
Engineers Gate Manager LP$68.8K22,5570.00%newNEW
Vanguard Global Advisers, LLC$64.2K21,0470.00%2q-58.8%-$91.5K
Walleye Trading LLC$61.0K20,0000.00%7qHELD
MANUFACTURERS LIFE INSURANCE COMPANY, THE$59.5K19,5200.00%9q+45.2%+$18.5K
Brevan Howard Capital Management LP$59.5K19,5040.00%newNEW

Showing the largest 100 of 163 reported holders. The count of 162 above leaves out 1 position whose reported value failed our price check; it is listed here as filed.

What the company announced

Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.

FiledEvent dateWhatSource
2026-09-292026-09-29Directors or officers departed or appointedfiling

What the insiders did

Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.

Officers and directors

DateInsiderRoleSideSharesValue
2026-07-06Hamilton Thomas EdwardDirectorBought50,000$166.9K

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q3 202626$2.4M764,6802890.0%
Q2 2026162$296.1M95,448,8743168421.6%
Q1 2026164$401.9M88,732,7464158401.8%
Q4 2025137$277.8M72,706,0862144430.3%
Q3 2025140$299.7M85,523,3493258268.3%
Q2 2025117$194.9M62,410,4233240227.4%
Q1 2025102$132.3M60,839,2451431310.3%
Q4 2024118$248.0M63,434,6141641311.0%
Q3 2024122$425.1M64,350,8412536340.9%
Q2 2024107$477.3M65,348,8992137330.8%
Q1 2024105$496.5M63,827,7974634212.4%
Q4 202370$180.5M39,573,225723230.3%
Q3 202366$153.2M38,745,794716250.1%
Q2 202366$120.2M39,027,6921725130.0%
Q1 202368$174.2M38,462,4422323130.0%
Q4 202247$160.1M38,766,976817110.0%
Q3 202254$131.0M40,907,172201660.0%
Q2 202236$28.2M14,392,30504110.1%
Q1 202243$62.1M15,257,489413100.5%
Q4 202147$158.2M14,666,641411110.0%
Q3 202152$1.3B108,441,478121490.0%
Q2 202145$142.8M14,544,121121580.0%
Q1 202154$206.1M14,110,4951510140.0%
Q4 202042$305.1M14,252,33781180.0%
Q3 202037$206.7M13,625,01671060.0%
Q2 202036$166.2M12,953,20637000.0%