Vontobel Holding
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Vontobel Holding’s Sutro Biopharma STRO Stock Holding History

Vontobel Holding’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
2025
Q4 		– Sell
-5,000
Closed -$43.4K – 1522
2025
Q3 		$43.4K Hold
5,000
– – ﹤0.01% 1331
2025
Q2 		$35.7K Hold
5,000
– – ﹤0.01% 1247
2025
Q1 		$32.5K Buy
5,000
+2,500
+100% +$39.4K ﹤0.01% 1079
2024
Q4 		$46K Buy
2,500
+1,000
+67% +$30.5K ﹤0.01% 1080
2024
Q3 		$51.9K Hold
1,500
– – ﹤0.01% 1057
2024
Q2 		$44K Hold
1,500
– – ﹤0.01% 1047
2024
Q1 		$84.8K Sell
1,500
-62,668
-98% -$2.77M ﹤0.01% 1031
2023
Q4 		$2.75M Buy
64,168
+19,134
+42% +$607K 0.02% 379
2023
Q3 		$1.56M Buy
45,034
+3,469
+8% +$151K 0.01% 480
2023
Q2 		$1.93M Buy
41,565
+40,265
+3,097% +$2M 0.02% 448
2023
Q1 		$60.1K Buy
1,300
+300
+30% +$19K ﹤0.01% 1041
2022
Q4 		$80.8K Buy
+1,000
New +$69.5K ﹤0.01% 1044

Other funds holding STRO

AAA
Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
VCIM
Velan Capital Investment Management Alpharetta, Georgia $160M AUM 517.12% 1-Year Est. Return
MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return

Vontobel Holding's STRO Position: Q4 2025 in Review

Vontobel Holding sold out of Sutro Biopharma (STRO) in Q4 2025, closing a stake of 5,000 shares — an estimated $43.4K sold.

Vontobel Holding first reported a position in STRO in Q4 2022 and held it in 12 quarters. The position peaked at $2.75M in Q4 2023. 63 funds tracked by Wall St. Rank hold STRO as of Q4 2025.

  • Vontobel Holding reported no remaining Sutro Biopharma position as of Q4 2025 after selling out during the quarter.
  • Vontobel Holding sold 5,000 Sutro Biopharma shares in Q4 2025, an estimated $43.4K.
  • Vontobel Holding first reported a position in Sutro Biopharma in Q4 2022 and held it in 12 quarters.
  • Vontobel Holding's Sutro Biopharma position peaked at $2.75M in Q4 2023.
  • 63 funds tracked by Wall St. Rank held Sutro Biopharma as of Q4 2025.

Based on Vontobel Holding's 13F filing for Q4 2025, filed 13 Feb 2026.