Simplex Trading
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Simplex Trading’s Sutro Biopharma STRO Stock Holding History

Simplex Trading’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
Q1 		– Sell
-2,900
Closed -$33.6K – 10112
2025
Q4 		$33.6K Buy
2,900
+2,600
+867% +$24.7K ﹤0.01% 6017
2025
Q3 		$2K Sell
300
-3,320
-92% -$28.3K ﹤0.01% 8720
2025
Q2 		$25K Buy
3,620
+300
+9% +$2.45K ﹤0.01% 6588
2025
Q1 		$21K Buy
+3,320
New +$52.3K ﹤0.01% 6558
2024
Q4 		– Sell
-40
Closed -$1K – 9580
2024
Q3 		$1K Buy
+40
New +$1.57K ﹤0.01% 8279
2024
Q2 		– Sell
-140
Closed -$7K – 9778
2024
Q1 		$7K Buy
+140
New +$6.18K ﹤0.01% 7865
2023
Q3 		– Sell
-290
Closed -$13K – 9778
2023
Q2 		$13K Buy
+290
New +$14.4K ﹤0.01% 7193
2022
Q3 		– Sell
-270
Closed -$14K – 10859
2022
Q2 		$14K Buy
+270
New +$15.1K ﹤0.01% 7982
2022
Q1 		– Sell
-140
Closed -$20K – 11360
2021
Q4 		$20K Buy
140
+100
+250% +$17.9K ﹤0.01% 8371
2021
Q3 		$7K Buy
40
+20
+100% +$3.8K ﹤0.01% 9136
2021
Q2 		$3K Buy
20
+12
+150% +$2.35K ﹤0.01% 9644
2021
Q1 		$179K Sell
8
-8
-50% -$1.9K ﹤0.01% 4918
2020
Q4 		$349K Buy
+16
New +$2.65K ﹤0.01% 3884

Other funds holding STRO

BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
EAM
Eventide Asset Management Boston, Massachusetts $6.05B AUM 76.64% 1-Year Est. Return
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

Simplex Trading's STRO Position: Q1 2026 in Review

Simplex Trading opened a new position in Sutro Biopharma (STRO) in Q1 2026: 62 shares worth $1.54K. The stake represents ﹤0.01% of the portfolio and ranks #8464 among its holdings. This is a return to the name: Simplex Trading previously reported a position in STRO as recently as Q4 2024.

Simplex Trading first reported a position in STRO in Q1 2021 and has held it in 11 quarters since. The position peaked at $162K in Q1 2021. 78 funds tracked by Wall St. Rank hold STRO as of Q1 2026.

  • Simplex Trading held 62 shares of Sutro Biopharma worth $1.54K as of Q1 2026.
  • Sutro Biopharma was a new Simplex Trading position in Q1 2026.
  • Sutro Biopharma made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #8464 holding.
  • Simplex Trading first reported a position in Sutro Biopharma in Q1 2021 and has held it in 11 quarters since.
  • Simplex Trading's Sutro Biopharma position peaked at $162K in Q1 2021.
  • 78 funds tracked by Wall St. Rank held Sutro Biopharma as of Q1 2026.

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