SEI Investments
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SEI Investments’s Sutro Biopharma STRO Stock Holding History

SEI Investments’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 		$544K Buy
+16,387
New +$511K ﹤0.01% 2604
2025
Q2 		– Sell
-5,635
Closed -$36.7K – 2906
2025
Q1 		$36.7K Hold
5,635
– – ﹤0.01% 2700
2024
Q4 		$104K Buy
+5,635
New +$172K ﹤0.01% 2575

Other funds holding STRO

PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
AAA
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
SB
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
O
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
EAM
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return

SEI Investments's STRO Position: Q2 2026 in Review

SEI Investments opened a new position in Sutro Biopharma (STRO) in Q2 2026: 16,387 shares worth $544K. The stake represents ﹤0.01% of the portfolio and ranks #2604 among its holdings. This is a return to the name: SEI Investments previously reported a position in STRO as recently as Q1 2025.

SEI Investments first reported a position in STRO in Q4 2024 and has held it in 3 quarters since. 100 funds tracked by Wall St. Rank hold STRO as of Q2 2026.

  • SEI Investments held 16,387 shares of Sutro Biopharma worth $544K as of Q2 2026.
  • Sutro Biopharma was a new SEI Investments position in Q2 2026.
  • Sutro Biopharma made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #2604 holding.
  • SEI Investments first reported a position in Sutro Biopharma in Q4 2024 and has held it in 3 quarters since.
  • 100 funds tracked by Wall St. Rank held Sutro Biopharma as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.