Jim Simons
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Jim Simons’s Scholar Rock SRRK Stock Holding History

Jim Simons’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 		$5.03M Buy
+91,500
New +$4.42M 0.01% 1463
2025
Q3 		– Sell
-291,200
Closed -$10.3M – 3892
2025
Q2 		$10.3M Sell
291,200
-26,200
-8% -$822K 0.01% 1042
2025
Q1 		$10.2M Buy
317,400
+271,700
+595% +$10.5M 0.02% 995
2024
Q4 		$1.98M Sell
45,700
-187,600
-80% -$6.11M ﹤0.01% 2060
2024
Q3 		$1.87M Buy
233,300
+140,936
+153% +$1.24M ﹤0.01% 2066
2024
Q2 		$769K Buy
+92,364
New +$1.13M ﹤0.01% 2469
2023
Q4 		– Sell
-54,700
Closed -$388K – 4112
2023
Q3 		$388K Sell
54,700
-38,200
-41% -$257K ﹤0.01% 2830
2023
Q2 		$700K Sell
92,900
-47,500
-34% -$359K ﹤0.01% 2695
2023
Q1 		$1.12M Sell
140,400
-6,000
-4% -$60.9K ﹤0.01% 2401
2022
Q4 		$1.32M Buy
146,400
+69,000
+89% +$553K ﹤0.01% 2359
2022
Q3 		$536K Buy
77,400
+25,500
+49% +$212K ﹤0.01% 2891
2022
Q2 		$285K Buy
+51,900
New +$373K ﹤0.01% 3481
2021
Q3 		– Sell
-59,000
Closed -$1.7M – 3823
2021
Q2 		$1.7M Sell
59,000
-8,700
-13% -$266K ﹤0.01% 2366
2021
Q1 		$3.43M Sell
67,700
-900
-1% -$49.8K ﹤0.01% 1882
2020
Q4 		$3.33M Sell
68,600
-1,200
-2% -$43.6K ﹤0.01% 1837
2020
Q3 		$1.24M Sell
69,800
-1,000
-1% -$14.9K ﹤0.01% 2399
2020
Q2 		$1.29M Buy
+70,800
New +$1.21M ﹤0.01% 2421

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
Samsara BioCapital
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
Orbis Allan Gray
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 $3.38T AUM 44.17% 1-Year Est. Return
Redmile Group
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return

Jim Simons's SRRK Position: Q2 2026 in Review

Jim Simons opened a new position in Scholar Rock (SRRK) in Q2 2026: 91,500 shares worth $5.03M. The stake represents 0.01% of the portfolio and ranks #1463 among its holdings. This is a return to the name: Jim Simons previously reported a position in SRRK as recently as Q2 2025.

Jim Simons first reported a position in SRRK in Q2 2020 and has held it in 17 quarters since. The position peaked at $10.3M in Q2 2025. 306 funds tracked by Wall St. Rank hold SRRK as of Q2 2026.

  • Jim Simons held 91,500 shares of Scholar Rock worth $5.03M as of Q2 2026.
  • Scholar Rock was a new Jim Simons position in Q2 2026.
  • Scholar Rock made up 0.01% of Jim Simons's portfolio in Q2 2026, its #1463 holding.
  • Jim Simons first reported a position in Scholar Rock in Q2 2020 and has held it in 17 quarters since.
  • Jim Simons's Scholar Rock position peaked at $10.3M in Q2 2025.
  • 306 funds tracked by Wall St. Rank held Scholar Rock as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.