SUTRO BIOPHARMA INC

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STRO·869367102·US·Common Stock·Healthcare - Biotechnology-13D/G

STRO (SUTRO BIOPHARMA INC) is held by 62 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($37.3M), BALYASNY ASSET MANAGEMENT L.P. ($23.6M), VANGUARD CAPITAL MANAGEMENT LLC ($23M). Net institutional sentiment: Bullish.

62

Holders

(3 Elite)

$234M

Total Value

70% (67)

Consensus

47 buying - 20 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)68

Insider (Form 4)75

Activist (13D/13G)76

Congressional (STOCK Act)35

Holder Quality

59

★★★★★

Elite

35

★★★★

Strong

67

★★★

Solid

25

★★

Below

20

★

Weak

Held by 62 funds

3 elite

Who's Trading

Source dates: Price Oct 12, 2026 · Insiders Sep 22, 2026 · Activists May 15, 2026 · Congress none

InsiderGHGerber Hans-PeterExercise 4K shSep 18, 2026

InsiderGHGerber Hans-PeterTax 1K shSep 18, 2026

InsiderCKChow Gregory K.Exercise 3K shJun 2, 2026

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Top Holders

Top Holders (62)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	1.1M(+382.5%)	$37.3M	0.0%	-52.59%	47
BALYASNY ASSET MANAGEMENT L.P.	Increased	711,162(+52.7%)	$23.6M	0.0%	-39.24%	40
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	694,219(-3.6%)	$23M	0.0%	-42.71%	0
Woodline Partners LP	Increased	458,029(+0.1%)	$15.2M	0.0%	-42.74%	28
GEODE CAPITAL MANAGEMENT, LLC	Increased	389,692(+127.4%)	$12.9M	0.0%	-46.56%	45
MILLENNIUM MANAGEMENT LLC	Increased	365,972(+74.0%)	$12.2M	0.0%	-31.47%	42
STATE STREET CORP	Increased	305,979(+487.1%)	$10.2M	0.0%	-52.44%	45
AMERIPRISE FINANCIAL INC	New	244,669	$8.1M	0.0%	-57.02%	38
Point72 Asset Management, L.P.	Decreased	237,827(-65.6%)	$7.9M	0.0%	-33.58%	0
UBS Group AG	Decreased	208,512(-46.9%)	$6.9M	0.0%	-42.10%	0
TWO SIGMA INVESTMENTS, LP	Increased	201,688(+209.4%)	$6.7M	0.0%	-48.05%	44
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	197,562	$6.6M	0.0%	-57.02%	38
MWMARSHALL WACE, LLP	Decreased	175,246(-21.3%)	$5.8M	0.0%	-28.00%	0
Nuveen, LLC	New	167,997	$5.6M	0.0%	-57.02%	37
JPMORGAN CHASE & CO	New	159,627	$5.3M	0.0%	-57.02%	37
GOLDMAN SACHS GROUP INC	Increased	149,216(+448.9%)	$5M	0.0%	-52.27%	43
NORTHERN TRUST CORP	Increased	125,933(+279.7%)	$4.2M	0.0%	-50.33%	43
Qube Research & Technologies Ltd	New	106,610	$3.5M	0.0%	-57.02%	37
VFVANGUARD FIDUCIARY TRUST CO	Increased	104,232(+9.9%)	$3.5M	0.0%	-31.78%	29
CITADEL ADVISORS LLC	Decreased	101,965(-13.3%)	$3.4M	0.0%	-32.99%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer