Jim Simons
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Jim Simons’s Beam Therapeutics BEAM Stock Holding History

Jim Simons’s Portfolio BEAM Stock Details BEAM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$15.3M Sell
445,000
-68,578
-13% -$2.07M 0.02% 837
2026
Q1 		$12.2M Buy
513,578
+357,078
+228% +$9.9M 0.02% 868
2025
Q4 		$4.34M Buy
+156,500
New +$3.99M 0.01% 1386
2025
Q2 		– Sell
-12,107
Closed -$236K – 3558
2025
Q1 		$236K Sell
12,107
-10,800
-47% -$283K ﹤0.01% 3018
2024
Q4 		$568K Buy
+22,907
New +$585K ﹤0.01% 2783
2023
Q1 		– Sell
-131,900
Closed -$5.16M – 3977
2022
Q4 		$5.16M Buy
131,900
+60,600
+85% +$2.71M 0.01% 1506
2022
Q3 		$3.4M Sell
71,300
-208,600
-75% -$11.9M ﹤0.01% 1685
2022
Q2 		$10.8M Buy
+279,900
New +$11.1M 0.01% 1072
2021
Q3 		– Sell
-16,500
Closed -$2.12M – 3475
2021
Q2 		$2.12M Sell
16,500
-21,600
-57% -$1.72M ﹤0.01% 2217
2021
Q1 		$3.05M Buy
+38,100
New +$3.62M ﹤0.01% 1955

Other funds holding BEAM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Farallon Capital Management
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
ARK Investment Management
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Arch Venture Management
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Nikko Asset Management Americas
Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return

Jim Simons's BEAM Position: Q2 2026 in Review

Jim Simons reduced its Beam Therapeutics (BEAM) stake by 13% in Q2 2026, selling an estimated $2.07M and leaving 445,000 shares worth $15.3M. The position accounts for 0.02% of the portfolio, ranked #837.

Jim Simons first reported a position in BEAM in Q1 2021 and has held it in 10 quarters since. 277 funds tracked by Wall St. Rank hold BEAM as of Q2 2026.

  • Jim Simons held 445,000 shares of Beam Therapeutics worth $15.3M as of Q2 2026.
  • Jim Simons sold 68,578 Beam Therapeutics shares in Q2 2026, an estimated $2.07M.
  • Beam Therapeutics made up 0.02% of Jim Simons's portfolio in Q2 2026, its #837 holding.
  • Jim Simons first reported a position in Beam Therapeutics in Q1 2021 and has held it in 10 quarters since.
  • 277 funds tracked by Wall St. Rank held Beam Therapeutics as of Q2 2026.

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