Simplex Trading
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Simplex Trading’s Larimar Therapeutics LRMR Stock Holding History

Simplex Trading’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 		$168K Sell
55,000
-131,900
-71% -$524K ﹤0.01% 4932
2026
Q1 		$841K Buy
186,900
+175,300
+1,511% +$701K ﹤0.01% 2686
2025
Q4 		$44.2K Sell
11,600
-347,000
-97% -$1.35M ﹤0.01% 5765
2025
Q3 		$1.16M Buy
358,600
+28,400
+9% +$106K ﹤0.01% 2912
2025
Q2 		$954K Buy
330,200
+317,400
+2,480% +$735K ﹤0.01% 2829
2025
Q1 		$27K Sell
12,800
-8,300
-39% -$26.2K ﹤0.01% 6333
2024
Q4 		$81K Sell
21,100
-123,000
-85% -$812K ﹤0.01% 5384
2024
Q3 		$943K Sell
144,100
-7,600
-5% -$61.1K ﹤0.01% 2962
2024
Q2 		$1.1M Buy
151,700
+59,900
+65% +$459K ﹤0.01% 2829
2024
Q1 		$696K Buy
91,800
+88,300
+2,523% +$688K ﹤0.01% 3499
2023
Q4 		$15K Buy
+3,500
New +$11.8K ﹤0.01% 7140
2023
Q3 		– Sell
-6,100
Closed -$19K – 9315
2023
Q2 		$19K Buy
+6,100
New +$24.9K ﹤0.01% 6835
2022
Q2 		– Sell
-19,300
Closed -$78K – 10591
2022
Q1 		$78K Buy
+19,300
New +$126K ﹤0.01% 6497
2020
Q3 		– Sell
-33
Closed -$42K – 8163
2020
Q2 		$42K Buy
33
+29
+725% +$338 ﹤0.01% 5642
2020
Q1 		$3K Buy
+4
New +$53 ﹤0.01% 7069
2019
Q1 		– Sell
-1
Closed -$5K – 7512
2018
Q4 		$5K Hold
1
– – ﹤0.01% 6215
2018
Q3 		$7K Hold
1
– – ﹤0.01% 6606
2018
Q2 		$15K Buy
+1
New +$85 ﹤0.01% 6078
2017
Q3 		– Sell
-8
Closed -$11K – 6288
2017
Q2 		$11K Buy
+8
New +$409 ﹤0.01% 3890
2016
Q4 		– Sell
-12
Closed -$3K – 6227
2016
Q3 		$3K Buy
12
+7
+140% +$318 ﹤0.01% 4700
2016
Q2 		$1K Sell
5
-4
-44% -$316 ﹤0.01% 5333
2016
Q1 		$8K Buy
+9
New +$710 ﹤0.01% 3681

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

Simplex Trading's LRMR Position: Q2 2026 in Review

Simplex Trading opened a new position in Larimar Therapeutics (LRMR) in Q2 2026: 58,608 shares worth $179K. The stake represents ﹤0.01% of the portfolio and ranks #4852 among its holdings. This is a return to the name: Simplex Trading previously reported a position in LRMR as recently as Q4 2025.

Simplex Trading first reported a position in LRMR in Q2 2015 and has held it in 28 quarters since. The position peaked at $695K in Q3 2025. 163 funds tracked by Wall St. Rank hold LRMR as of Q2 2026.

  • Simplex Trading held 58,608 shares of Larimar Therapeutics worth $179K as of Q2 2026.
  • Larimar Therapeutics was a new Simplex Trading position in Q2 2026.
  • Larimar Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4852 holding.
  • Simplex Trading first reported a position in Larimar Therapeutics in Q2 2015 and has held it in 28 quarters since.
  • Simplex Trading's Larimar Therapeutics position peaked at $695K in Q3 2025.
  • 163 funds tracked by Wall St. Rank held Larimar Therapeutics as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.