Simplex Trading
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Simplex Trading’s Scholar Rock SRRK Stock Holding History

Simplex Trading’s Portfolio SRRK Stock Details SRRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$80.6K Buy
+1,465
New +$70.8K ﹤0.01% 5809
2025
Q4 		– Sell
-13,888
Closed -$521K – 9986
2025
Q3 		$517K Buy
13,888
+9,416
+211% +$329K ﹤0.01% 3790
2025
Q2 		$158K Sell
4,472
-2,640
-37% -$82.9K ﹤0.01% 4760
2025
Q1 		$228K Sell
7,112
-25,843
-78% -$994K ﹤0.01% 4180
2024
Q4 		$1.42M Buy
+32,955
New +$1.07M ﹤0.01% 2515
2024
Q3 		– Sell
-50
Closed -$439 – 9532
2024
Q2 		$0 Sell
50
-28,463
-100% -$348K ﹤0.01% 9761
2024
Q1 		$506K Buy
28,513
+26,381
+1,237% +$415K ﹤0.01% 3852
2023
Q4 		$40K Buy
+2,132
New +$26.5K ﹤0.01% 6305
2023
Q3 		– Sell
-1,751
Closed -$11.8K – 9767
2023
Q2 		$13K Buy
1,751
+1,022
+140% +$7.72K ﹤0.01% 7192
2023
Q1 		$5K Buy
+729
New +$7.39K ﹤0.01% 8079
2022
Q3 		– Sell
-1,415
Closed -$11.8K – 10844
2022
Q2 		$7K Buy
1,415
+680
+93% +$4.88K ﹤0.01% 8629
2022
Q1 		$9K Buy
+735
New +$12.6K ﹤0.01% 8980
2021
Q2 		– Sell
-1,200
Closed -$36.7K – 10672
2021
Q1 		$60K Buy
+1,200
New +$66.4K ﹤0.01% 6388

Other funds holding SRRK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return

Simplex Trading's SRRK Position: Q2 2026 in Review

Simplex Trading opened a new position in Scholar Rock (SRRK) in Q2 2026: 1,465 shares worth $80.6K. The stake represents ﹤0.01% of the portfolio and ranks #5809 among its holdings. This is a return to the name: Simplex Trading previously reported a position in SRRK as recently as Q3 2025.

Simplex Trading first reported a position in SRRK in Q1 2021 and has held it in 13 quarters since. The position peaked at $1.42M in Q4 2024. 307 funds tracked by Wall St. Rank hold SRRK as of Q2 2026.

  • Simplex Trading held 1,465 shares of Scholar Rock worth $80.6K as of Q2 2026.
  • Scholar Rock was a new Simplex Trading position in Q2 2026.
  • Scholar Rock made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5809 holding.
  • Simplex Trading first reported a position in Scholar Rock in Q1 2021 and has held it in 13 quarters since.
  • Simplex Trading's Scholar Rock position peaked at $1.42M in Q4 2024.
  • 307 funds tracked by Wall St. Rank held Scholar Rock as of Q2 2026.

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