Jim Simons
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Jim Simons’s Sutro Biopharma STRO Stock Holding History

Jim Simons’s Portfolio STRO Stock Details STRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.87M Sell
86,324
-11,500
-12% -$359K ﹤0.01% 1776
2026
Q1 		$2.44M Sell
97,824
-25,041
-20% -$453K ﹤0.01% 1794
2025
Q4 		$1.42M Sell
122,865
-19,615
-14% -$186K ﹤0.01% 2075
2025
Q3 		$1.24M Buy
142,480
+51,160
+56% +$435K ﹤0.01% 2375
2025
Q2 		$652K Buy
91,320
+4,420
+5% +$36.1K ﹤0.01% 2706
2025
Q1 		$565K Sell
86,900
-14,621
-14% -$230K ﹤0.01% 2693
2024
Q4 		$1.87M Buy
101,521
+18,711
+23% +$571K ﹤0.01% 2101
2024
Q3 		$2.87M Buy
82,810
+10,860
+15% +$426K ﹤0.01% 1786
2024
Q2 		$2.11M Buy
71,950
+23,370
+48% +$924K ﹤0.01% 1855
2024
Q1 		$2.74M Sell
48,580
-17,000
-26% -$751K ﹤0.01% 1815
2023
Q4 		$2.81M Buy
65,580
+35,290
+117% +$1.12M ﹤0.01% 1728
2023
Q3 		$1.05M Buy
30,290
+3,340
+12% +$146K ﹤0.01% 2256
2023
Q2 		$1.25M Buy
26,950
+14,010
+108% +$697K ﹤0.01% 2328
2023
Q1 		$598K Buy
12,940
+9,950
+333% +$631K ﹤0.01% 2787
2022
Q4 		$242K Sell
2,990
-18,600
-86% -$1.29M ﹤0.01% 3328
2022
Q3 		$1.2M Buy
21,590
+6,820
+46% +$404K ﹤0.01% 2386
2022
Q2 		$770K Buy
+14,770
New +$825K ﹤0.01% 2879
2022
Q1 		– Sell
-4,870
Closed -$725K – 4448
2021
Q4 		$725K Buy
+4,870
New +$872K ﹤0.01% 2886
2021
Q1 		– Sell
-3,001
Closed -$652K – 3688
2020
Q4 		$652K Buy
+3,001
New +$497K ﹤0.01% 2710
2020
Q3 		– Sell
-14,951
Closed -$1.16M – 3673
2020
Q2 		$1.16M Buy
+14,951
New +$1.43M ﹤0.01% 2471
2020
Q1 		– Sell
-1,030
Closed -$113K – 3774
2019
Q4 		$113K Buy
+1,030
New +$106K ﹤0.01% 3300

Other funds holding STRO

Perceptive Advisors
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
BVF Inc
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
Affinity Asset Advisors
Affinity Asset Advisors New York $2.21B AUM 431.26% 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
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
OrbiMed
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Eventide Asset Management
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return

Jim Simons's STRO Position: Q2 2026 in Review

Jim Simons reduced its Sutro Biopharma (STRO) stake by 12% in Q2 2026, selling an estimated $359K and leaving 86,324 shares worth $2.87M. The position accounts for ﹤0.01% of the portfolio, ranked #1776.

Jim Simons first reported a position in STRO in Q4 2019 and has held it in 21 quarters since. 100 funds tracked by Wall St. Rank hold STRO as of Q2 2026.

  • Jim Simons held 86,324 shares of Sutro Biopharma worth $2.87M as of Q2 2026.
  • Jim Simons sold 11,500 Sutro Biopharma shares in Q2 2026, an estimated $359K.
  • Sutro Biopharma made up ﹤0.01% of Jim Simons's portfolio in Q2 2026, its #1776 holding.
  • Jim Simons first reported a position in Sutro Biopharma in Q4 2019 and has held it in 21 quarters since.
  • 100 funds tracked by Wall St. Rank held Sutro Biopharma as of Q2 2026.

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