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EAM Investors’s Sutro Biopharma STRO Stock Holding History

EAM Investors’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 		$539K Buy
+16,232
New +$506K 0.05% 268
2021
Q2 		– Sell
-5,264
Closed -$1.2M – 429
2021
Q1 		$1.2M Sell
5,264
-3,289
-38% -$780K 0.18% 271
2020
Q4 		$1.86M Buy
+8,553
New +$1.42M 0.3% 145

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

EAM Investors's STRO Position: Q2 2026 in Review

EAM Investors opened a new position in Sutro Biopharma (STRO) in Q2 2026: 16,232 shares worth $539K. The stake represents 0.05% of the portfolio and ranks #268 among its holdings. This is a return to the name: EAM Investors previously reported a position in STRO as recently as Q1 2021.

EAM Investors first reported a position in STRO in Q4 2020 and has held it in 3 quarters since. The position peaked at $1.86M in Q4 2020. 100 funds tracked by Wall St. Rank hold STRO as of Q2 2026.

  • EAM Investors held 16,232 shares of Sutro Biopharma worth $539K as of Q2 2026.
  • Sutro Biopharma was a new EAM Investors position in Q2 2026.
  • Sutro Biopharma made up 0.05% of EAM Investors's portfolio in Q2 2026, its #268 holding.
  • EAM Investors first reported a position in Sutro Biopharma in Q4 2020 and has held it in 3 quarters since.
  • EAM Investors's Sutro Biopharma position peaked at $1.86M in Q4 2020.
  • 100 funds tracked by Wall St. Rank held Sutro Biopharma as of Q2 2026.

Based on EAM Investors's 13F filing for Q2 2026, filed 13 Aug 2026.