AllianceBernstein
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AllianceBernstein’s Sutro Biopharma STRO Stock Holding History

AllianceBernstein’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 		$242K Buy
+7,300
New +$228K ﹤0.01% 3079
2025
Q2 		– Sell
-9,637
Closed -$62.7K – 3330
2025
Q1 		$62.7K Hold
9,637
– – ﹤0.01% 3111
2024
Q4 		$177K Hold
9,637
– – ﹤0.01% 3043
2024
Q3 		$333K Hold
9,637
– – ﹤0.01% 2868
2024
Q2 		$282K Buy
9,637
+2,107
+28% +$83.3K ﹤0.01% 2936
2024
Q1 		$425K Hold
7,530
– – ﹤0.01% 2652
2023
Q4 		$323K Hold
7,530
– – ﹤0.01% 2812
2023
Q3 		$261K Buy
7,530
+349
+5% +$15.2K ﹤0.01% 2868
2023
Q2 		$334K Buy
7,181
+2,041
+40% +$102K ﹤0.01% 2821
2023
Q1 		$237K Hold
5,140
– – ﹤0.01% 2859
2022
Q4 		$415K Buy
5,140
+330
+7% +$22.9K ﹤0.01% 2731
2022
Q3 		$267K Buy
4,810
+1,580
+49% +$93.5K ﹤0.01% 2915
2022
Q2 		$168K Sell
3,230
-17,362
-84% -$970K ﹤0.01% 3060
2022
Q1 		$1.69M Sell
20,592
-965
-4% -$91.8K ﹤0.01% 2187
2021
Q4 		$3.21M Buy
21,557
+1,089
+5% +$195K ﹤0.01% 1863
2021
Q3 		$3.87M Buy
20,468
+9,432
+85% +$1.79M ﹤0.01% 1749
2021
Q2 		$2.05M Buy
11,036
+2,154
+24% +$422K ﹤0.01% 2176
2021
Q1 		$2.02M Buy
8,882
+7,292
+459% +$1.73M ﹤0.01% 2097
2020
Q4 		$345K Buy
1,590
+310
+24% +$51.3K ﹤0.01% 2790
2020
Q3 		$129K Hold
1,280
– – ﹤0.01% 3033
2020
Q2 		$99K Buy
+1,280
New +$123K ﹤0.01% 3107

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

AllianceBernstein's STRO Position: Q2 2026 in Review

AllianceBernstein opened a new position in Sutro Biopharma (STRO) in Q2 2026: 7,300 shares worth $242K. The stake represents ﹤0.01% of the portfolio and ranks #3079 among its holdings. This is a return to the name: AllianceBernstein previously reported a position in STRO as recently as Q1 2025.

AllianceBernstein first reported a position in STRO in Q2 2020 and has held it in 21 quarters since. The position peaked at $3.87M in Q3 2021. 100 funds tracked by Wall St. Rank hold STRO as of Q2 2026.

  • AllianceBernstein held 7,300 shares of Sutro Biopharma worth $242K as of Q2 2026.
  • Sutro Biopharma was a new AllianceBernstein position in Q2 2026.
  • Sutro Biopharma made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #3079 holding.
  • AllianceBernstein first reported a position in Sutro Biopharma in Q2 2020 and has held it in 21 quarters since.
  • AllianceBernstein's Sutro Biopharma position peaked at $3.87M in Q3 2021.
  • 100 funds tracked by Wall St. Rank held Sutro Biopharma as of Q2 2026.

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