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Sutro Biopharma, Inc.

STRO
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001382101

No open-market purchases or sales by Sutro Biopharma, Inc. insiders were filed in the last 90 days; 100 institutions reported holding it in 13F filings for Q2 2026, worth $545.7M in total; no superinvestor holds it.

Q3 2021 vs. Q2 2021

How the institutions holding Sutro Biopharma, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of STRO: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders124120−4
Shares41.2M39.8M−1.40M (−3.4%)
Value$766.7M$752.5M−$14.1M (−1.8%)

New holders (10)

Institutions that held Sutro Biopharma, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to STRO in Q3 2021
InstitutionSharesValue% of portfolio
Massachusetts Financial Services Co91,798$1.73M0.00%
SG Americas Securities, LLC29,162$551.0K0.00%
ExodusPoint Capital Management, LP25,259$477.0K0.01%
AQR Capital Management LLC14,519$274.0K0.00%
Bailard, Inc.11,300$213.0K0.01%
Lazard Asset Management LLC2,795$52.0K0.00%
UBS Group AG1,221$23.0K0.00%
US Bancorp834$16.0K0.00%
Total Clarity Wealth Management, Inc.200$4.00K0.00%
TCI Wealth Advisors, Inc.169$3.00K0.00%

Sold out (14)

Institutions that held Sutro Biopharma, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of STRO in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
FIL Ltd677,416$12.6M
OrbiMed Advisors LLC433,700$8.06M
Candriam Luxembourg S.C.A.366,207$6.81M
Marshall Wace, LLP114,895$2.14M
Driehaus Capital Management LLC79,700$1.48M
Balyasny Asset Management LLC61,432$1.14M
Marshall Wace North America L.P.43,759$814.0K
Dynamic Technology Lab Private Ltd15,548$289.0K
Qube Research & Technologies Ltd15,339$285.0K
Engineers Gate Manager LP14,500$270.0K
Blueshift Asset Management, LLC13,189$245.0K
Winton Group Ltd10,653$198.0K
Geneos Wealth Management Inc.700$13.0K
Simplex Trading, LLC21$0