13FBOX
LARIMAR THERAPEUTICS INC COM · 13F Institutional Holdings
Options Calculator Rankings
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LARIMAR THERAPEUTICS INC COM

LRMR
Institutions
163
Combined AUM (Q2 2026)
$299.4M
Combined Shares (Q2 2026)
97.7M
Overall Trend
Increase
All institutions combined
Basis: holder count and combined value / shares merge all share classes of the same company (e.g. Class A / C); each institution is counted once, and value & shares are the sum across classes.
📥 Inflow (Q1 2026→Q2 2026)
+21.8M
101 institutions added · 32 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-13.1M
73 institutions reduced · 32 exits
Est. sell amount
⚖️ Net Share Change
+8.7M
Net Buy
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$299.4M
Institutions
163
New Buys
32
Adds
69
Reduces
41
Exits
32
Unchanged
21
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
DEERFIELD MANAGEMENT COMPANY, L.P.
1.13%1.89%#4$108.6M35.6M$160.2M35.6M00.00%Unchanged
Blue Owl Capital Holdings LP
4.39%9.12%#1$30.1M9.9M$34.0M8.1M+1.8M+22.19%Add
BlackRock, Inc.
<0.01%<0.01%#86$17.3M5.7M$16.9M3.8M+1.9M+51.33%Add
Defilade Capital Management, L.P.
1.5%#2$11.2M3.7M$00+3.7MNew Buy
DRIEHAUS CAPITAL MANAGEMENT LLC
0.06%0.1%#11$9.6M3.2M$13.2M2.9M+229,024+7.80%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#95$9.1M3.0M$12.9M2.9M+108,552+3.79%Add
RTW INVESTMENTS, LP
0.07%0.07%#9$7.8M2.6M$6.8M1.5M+1.1M+71.07%Add
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#37$7.2M2.4M$3.7M817,517+1.6M+190.08%Add
MARSHALL WACE, LLP
<0.01%<0.01%#27$6.1M2.0M$4.2M933,464+1.1M+115.59%Add
DAFNA Capital Management LLC
1.17%2.08%#3$6.1M2.0M$9.1M2.0M-21,000-1.03%Reduce
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#63$5.6M1.8M$7.4M1.7M+191,325+11.58%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#57$5.2M1.7M$2.7M600,132+1.1M+186.09%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#84$5.1M1.7M$5.0M1.1M+570,242+51.43%Add
Qube Research & Technologies Ltd
<0.01%<0.01%#29$5.0M1.6M$3.8M847,644+793,398+93.60%Add
STATE STREET CORP
<0.01%<0.01%#105$4.3M1.4M$4.1M911,326+500,478+54.92%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#96$4.3M1.4M$1.8M406,558+996,614+245.13%Add
Woodline Partners LP
0.01%0.02%#20$4.3M1.4M$6.3M1.4M00.00%Unchanged
MILLENNIUM MANAGEMENT LLC
<0.01%0.01%#46$4.1M1.3M$16.3M3.6M-2.3M-63.23%Reduce
DIMENSIONAL FUND ADVISORS LP
<0.01%<0.01%#61$2.9M961,083$3.6M798,462+162,621+20.37%Add
FMR LLC
<0.01%<0.01%#106$2.9M937,368$286,06563,570+873,798+1,374.54%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#90$2.8M932,228$2.2M487,660+444,568+91.16%Add
SPHERA FUNDS MANAGEMENT LTD.
0.37%#6$2.8M926,004$00+926,004New Buy
Nuveen, LLC
<0.01%<0.01%#56$2.7M895,304$3.0M674,915+220,389+32.65%Add
Alyeska Investment Group, L.P.
<0.01%0.01%#28$1.9M617,211$2.8M617,21100.00%Unchanged
NORTHERN TRUST CORP
<0.01%<0.01%#94$1.7M550,266$1.7M376,503+173,763+46.15%Add
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#82$1.4M448,168$1.3M289,632+158,536+54.74%Add
Fi3 FINANCIAL ADVISORS, LLC
0.3%0.04%#7$1.3M2,915$132,71929,493-26,578-90.12%Reduce
LOS ANGELES CAPITAL MANAGEMENT LLC
<0.01%<0.01%#31$1.2M399,542$81,09918,022+381,520+2,116.97%Add
Hennion & Walsh Asset Management, Inc.
0.03%#15$1.2M396,726$00+396,726New Buy
SummitTX Capital, L.P.
0.03%0.05%#17$1.1M352,284$1.7M379,765-27,481-7.24%Reduce
JPMORGAN CHASE & CO
<0.01%<0.01%#126$1.0M328,015$1.4M331,818-3,803-1.15%Reduce
Gem Investment Advisors, LLC
0.6%1.01%#5$974,533319,519$1.1M280,860+38,659+13.76%Add
SIMPLEX TRADING, LLC
<0.01%<0.01%#58$939,119307,908$1.0M233,100+74,808+32.09%Add
Burkehill Global Management, LP
0.03%0.07%#16$915,000300,000$1.4M300,00000.00%Unchanged
RENAISSANCE TECHNOLOGIES LLC
<0.01%0.01%#47$907,201297,443$3.3M739,942-442,499-59.80%Reduce
ADAR1 Capital Management, LLC
0.04%0.01%#13$831,872272,745$237,35352,745+220,000+417.10%Add
Cerity Partners LLC
<0.01%<0.01%#50$828,326271,582$1.1M247,912+23,670+9.55%Add
TWO SIGMA INVESTMENTS, LP
<0.01%<0.01%#62$720,206236,133$2.1M475,612-239,479-50.35%Reduce
Seven Fleet Capital Management LP
0.12%0.37%#8$704,309230,921$1.2M256,585-25,664-10.00%Reduce
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#118$631,255206,969$654,039145,342+61,627+42.40%Add
IEQ CAPITAL, LLC
<0.01%<0.01%#35$620,258203,363$513,172114,038+89,325+78.33%Add
Caption Management, LLC
<0.01%0.02%#36$588,705193,018$3.6M799,224-606,206-75.85%Reduce
Soleus Capital Management, L.P.
0.02%0.19%#19$573,711188,102$4.8M1.1M-878,858-82.37%Reduce
JACOBS LEVY EQUITY MANAGEMENT, INC
<0.01%<0.01%#43$520,254170,575$761,148169,144+1,431+0.85%Add
Susquehanna Portfolio Strategies, LLC
0.01%#24$503,726165,156$00+165,156New Buy
ALLIANCEBERNSTEIN L.P.
<0.01%<0.01%#100$486,990108,220$283,95974,530+33,690+45.20%Add
DIADEMA PARTNERS LP
0.06%0.13%#12$447,243146,637$749,867166,637-20,000-12.00%Reduce
UBS Group AG
<0.01%<0.01%#128$440,194144,326$133,64629,699+114,627+385.96%Add
Bank of New York Mellon Corp
<0.01%<0.01%#121$423,435138,831$482,989107,331+31,500+29.35%Add
STATE OF WISCONSIN INVESTMENT BOARD
<0.01%<0.01%#53$421,498138,196$129,58228,796+109,400+379.91%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow