SUTRO BIOPHARMA INC

$STRO
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Smart money positioned

5 of the Top-200 alpha managers hold $STRO as of the latest 13F snapshot.

13F holders
66
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

5 holders · Q1 2026

$STRO is held by 5 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.78%, with an average of 0.30% of portfolio. Largest holder: ADAR1 Capital Management, LLC at 0.78%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
ADAR1 Capital Management, LLC
0.78% NEW
α +74.0pts
02
Eventide Asset Management, LLC
0.29% NEW
α +22.5pts
03
Fidelis Capital Partners, LLC
0.11% NEW
α +19.5pts
04
Citigroup Inc.
0.00% held
α +26.3pts
05
Nisa Investment Advisors, LLC
0.00% held
α +16.6pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 66 · Source: 13F-HR
01
Fir Tree Capital Management LP
1.04% of portfolio
2,503,576 sh
02
Northeast Financial Consultants Inc
0.02% of portfolio
1,384,222 sh
03
Human Investing LLC
1.39% of portfolio
1,069,519 sh
04
Castleview Partners, LLC
2.57% of portfolio
1,062,872 sh
05
Kynam Capital Management, LP
1.34% of portfolio
872,558 sh
06
Sculptor Capital LP
0.40% of portfolio
801,144 sh
07
Cheviot Value Management, LLC
0.29% of portfolio
715,307 sh
08
Seven Eight Capital, LP
4.86% of portfolio
538,850 sh
09
Chico Wealth RIA
0.78% of portfolio
524,441 sh
10
Long Corridor Asset Management Ltd
7.99% of portfolio
512,160 sh
See all 66 13F holders · Pro →

Insider activity · last 90 days

5 transactions · 5 filers
15 Oct 2025
Pauling David —
▲ BOUGHT
12,504
$0.80
P
15 Oct 2025
Gerber Hans-Peter —
▲ BOUGHT
17,000
$0.80
P
15 Oct 2025
Chung Jane —
▲ BOUGHT
12,500
$0.80
P
15 Oct 2025
Chow Gregory K. —
▲ BOUGHT
19,750
$0.81
P
15 Oct 2025
Matsui Connie —
▲ BOUGHT
50,000
$0.80
P

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $STRO in the recent window.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 07:31 UTC.