Simplex Trading
RAPP

Simplex Trading’s Rapport Therapeutics RAPP Stock Holding History

Simplex Trading’s Portfolio RAPP Stock Details RAPP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$10.8K Buy
344
+317
+1,174% +$8.92K ﹤0.01% 7302
2025
Q4 		$819 Sell
27
-16,703
-100% -$462K ﹤0.01% 8070
2025
Q3 		$496K Buy
+16,730
New +$298K ﹤0.01% 3831

Other funds holding RAPP

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
TGV
TRV GP V Boston, Massachusetts $401M AUM 284.76% 1-Year Est. Return
AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
CAM
Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
SI
Sofinnova Investments Menlo Park, California $2.63B AUM 117.41% 1-Year Est. Return
JJ
Johnson & Johnson New Brunswick, New Jersey $652M AUM 198.07% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return

Simplex Trading's RAPP Position: Q1 2026 in Review

Simplex Trading increased its Rapport Therapeutics (RAPP) stake by 1,174% in Q1 2026, buying an estimated $8.92K and bringing the position to 344 shares worth $10.8K. The position accounts for ﹤0.01% of the portfolio, ranked #7302.

Simplex Trading first reported a position in RAPP in Q3 2025 and has held it in 3 quarters since. The position peaked at $496K in Q3 2025. 147 funds tracked by Wall St. Rank hold RAPP as of Q1 2026.

  • Simplex Trading held 344 shares of Rapport Therapeutics worth $10.8K as of Q1 2026.
  • Simplex Trading bought 317 Rapport Therapeutics shares in Q1 2026, an estimated $8.92K.
  • Rapport Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7302 holding.
  • Simplex Trading first reported a position in Rapport Therapeutics in Q3 2025 and has held it in 3 quarters since.
  • Simplex Trading's Rapport Therapeutics position peaked at $496K in Q3 2025.
  • 147 funds tracked by Wall St. Rank held Rapport Therapeutics as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.