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RTW Investments’s Larimar Therapeutics LRMR Stock Holding History

RTW Investments’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 		$7.83M Buy
2,565,999
+1,065,999
+71% +$4.23M 0.07% 70
2026
Q1 		$6.75M Sell
1,500,000
-1,625,000
-52% -$6.5M 0.07% 78
2025
Q4 		$11.9M Hold
3,125,000
– – 0.12% 69
2025
Q3 		$10.1M Buy
+3,125,000
New +$11.7M 0.12% 63
2024
Q2 		– Sell
-650,000
Closed -$4.93M – 72
2024
Q1 		$4.93M Buy
+650,000
New +$5.06M 0.07% 63

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
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
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

RTW Investments's LRMR Position: Q2 2026 in Review

RTW Investments increased its Larimar Therapeutics (LRMR) stake by 71% in Q2 2026, buying an estimated $4.23M and bringing the position to 2,565,999 shares worth $7.83M. The position accounts for 0.07% of the portfolio, ranked #70.

RTW Investments first reported a position in LRMR in Q1 2024 and has held it in 5 quarters since. The position peaked at $11.9M in Q4 2025. 163 funds tracked by Wall St. Rank hold LRMR as of Q2 2026.

  • RTW Investments held 2,565,999 shares of Larimar Therapeutics worth $7.83M as of Q2 2026.
  • RTW Investments bought 1,065,999 Larimar Therapeutics shares in Q2 2026, an estimated $4.23M.
  • Larimar Therapeutics made up 0.07% of RTW Investments's portfolio in Q2 2026, its #70 holding.
  • RTW Investments first reported a position in Larimar Therapeutics in Q1 2024 and has held it in 5 quarters since.
  • RTW Investments's Larimar Therapeutics position peaked at $11.9M in Q4 2025.
  • 163 funds tracked by Wall St. Rank held Larimar Therapeutics as of Q2 2026.

Based on RTW Investments's 13F filing for Q2 2026, filed 14 Aug 2026.