Jane Street
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Jane Street’s Larimar Therapeutics LRMR Stock Holding History

Jane Street’s Portfolio LRMR Stock Details LRMR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$225K Sell
73,736
-480,271
-87% -$1.91M ﹤0.01% 9854
2026
Q1 		$2.49M Sell
554,007
-124,935
-18% -$499K ﹤0.01% 4684
2025
Q4 		$2.59M Buy
678,942
+256,230
+61% +$997K ﹤0.01% 4327
2025
Q3 		$1.37M Buy
422,712
+412,179
+3,913% +$1.55M ﹤0.01% 5666
2025
Q2 		$30.4K Buy
+10,533
New +$24.4K ﹤0.01% 9286
2025
Q1 		– Sell
-33,781
Closed -$131K – 10116
2024
Q4 		$131K Sell
33,781
-80,002
-70% -$528K ﹤0.01% 8641
2024
Q3 		$745K Buy
113,783
+50,622
+80% +$407K ﹤0.01% 6481
2024
Q2 		$458K Buy
63,161
+24,336
+63% +$186K ﹤0.01% 7171
2024
Q1 		$295K Buy
+38,825
New +$303K ﹤0.01% 7595
2023
Q3 		– Sell
-19,565
Closed -$61.2K – 9059
2023
Q2 		$61.2K Sell
19,565
-122,017
-86% -$498K ﹤0.01% 8171
2023
Q1 		$641K Buy
141,582
+113,627
+406% +$594K ﹤0.01% 5885
2022
Q4 		$115K Buy
+27,955
New +$95.4K ﹤0.01% 8019
2021
Q4 		– Sell
-12,001
Closed -$138K – 10513
2021
Q3 		$138K Buy
+12,001
New +$144K ﹤0.01% 9112
2020
Q1 		– Sell
-4,999
Closed -$67K – 5703
2019
Q4 		$67K Buy
+4,999
New +$47.8K ﹤0.01% 4884
2019
Q3 		– Sell
-9,305
Closed -$133K – 5483
2019
Q2 		$133K Buy
+9,305
New +$248K ﹤0.01% 4795
2019
Q1 		– Sell
-1,667
Closed -$99K – 5373
2018
Q4 		$99K Buy
+1,667
New +$165K ﹤0.01% 4626
2016
Q2 		– Sell
-1,273
Closed -$102K – 4363
2016
Q1 		$102K Buy
+1,273
New +$100K ﹤0.01% 3878

Other funds holding LRMR

DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
BOCH
Blue Owl Capital Holdings New York $665M AUM 95.48% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DCM
Defilade Capital Management Emeryville, California $747M AUM
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
DCM
DAFNA Capital Management Los Angeles, California $524M AUM 164.42% 1-Year Est. Return

Jane Street's LRMR Position: Q2 2026 in Review

Jane Street reduced its Larimar Therapeutics (LRMR) stake by 87% in Q2 2026, selling an estimated $1.91M and leaving 73,736 shares worth $225K. The position accounts for ﹤0.01% of the portfolio, ranked #9854.

Jane Street first reported a position in LRMR in Q1 2016 and has held it in 17 quarters since. The position peaked at $2.59M in Q4 2025. 163 funds tracked by Wall St. Rank hold LRMR as of Q2 2026.

  • Jane Street held 73,736 shares of Larimar Therapeutics worth $225K as of Q2 2026.
  • Jane Street sold 480,271 Larimar Therapeutics shares in Q2 2026, an estimated $1.91M.
  • Larimar Therapeutics made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #9854 holding.
  • Jane Street first reported a position in Larimar Therapeutics in Q1 2016 and has held it in 17 quarters since.
  • Jane Street's Larimar Therapeutics position peaked at $2.59M in Q4 2025.
  • 163 funds tracked by Wall St. Rank held Larimar Therapeutics as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.