How many institutional investors hold STRO?

3 tracked institutional investors disclosed a position in STRO (SUTRO BIOPHARMA INC) in their most recent 13F filing.

Who is the largest institutional holder of STRO?

Steve Cohen, Point72 Asset Management, holds the largest disclosed position in STRO, valued at $17M.

Did institutional ownership of STRO increase or decrease?

Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited STRO.

Where does this STRO ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

STRO — SUTRO BIOPHARMA INC

Name: SUTRO BIOPHARMA INC (STRO) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About SUTRO BIOPHARMA INC (STRO)

SUTRO BIOPHARMA INC (STRO) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Steve Cohen (Point72 Asset Management), valued at $17M. All data sourced from SEC 13F filings.

Tracked investors reporting STRO

Investor	Firm	Shares	Market value	% of portfolio	As of
Steve Cohen	Point72 Asset Management	692.1K	$17.2M	0.02%	Mar 31, 2026
Izzy Englander	Millennium Management	210.4K	$5.2M	0.00%	Mar 31, 2026
Ken Griffin	Citadel Advisors	142.3K	$3.5M	0.00%	Mar 31, 2026

Steve CohenMar 31, 2026
Point72 Asset Management
Shares
692.1K
Value
$17.2M
% Portfolio
0.02%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
210.4K
Value
$5.2M
% Portfolio
0.00%
Ken GriffinMar 31, 2026
Citadel Advisors
Shares
142.3K
Value
$3.5M
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
No recent activity.

No recent activity.

Frequently asked questions

How many institutional investors hold STRO?: 3 tracked institutional investors disclosed a position in STRO (SUTRO BIOPHARMA INC) in their most recent 13F filing.
Who is the largest institutional holder of STRO?: Steve Cohen, Point72 Asset Management, holds the largest disclosed position in STRO, valued at $17M.
Did institutional ownership of STRO increase or decrease?: Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited STRO.
Where does this STRO ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.