Ticker · CUSIP 869367201

STRO

SUTRO BIOPHARMA INC

···Share

Holders (tracked)

Combined shares

852,065

Combined value

$9.86M

Last close

$31.55

Quarter

2025Q4

Price is +172.7% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$31.55+26.35 (+506.73%)H $31.55 · L $5.20 · Avg Vol 127K

Position opened

SEC event timeline

7 events

Izzy Englander (Millennium Mgmt) opened position2026-02-17
+418,196 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+179,088 shares · 2025Q4
Position
AQR Capital Management opened position2026-02-17
+18,034 shares · 2025Q4
Position
Two Sigma Investments opened position2026-02-17
+46,492 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) opened position2026-02-17
+32,085 shares · 2025Q4
Position
Renaissance Technologies opened position2026-02-12
+122,865 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) opened position2026-02-09
+35,305 shares · 2025Q4
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for STRO →

Follow-the-investor returns

If you'd copied each holder of STRO…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Ken Fisher (Fisher Asset Mgmt)	2025Q4	$11.57	+172.7%	$1.1M
Ken Griffin (Citadel Advisors)	2025Q4	$11.57	+172.7%	$1.0M
Two Sigma Investments	2025Q4	$11.57	+172.7%	$1.5M
Steve Cohen (Point72)	2025Q4	$11.57	+172.7%	$5.7M
Renaissance Technologies	2025Q4	$11.57	+172.7%	$3.9M
Izzy Englander (Millennium Mgmt)	2025Q4	$11.57	+172.7%	$13.2M
AQR Capital Management	2025Q4	$11.57	+172.7%	$569K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions7

Izzy Englander (Millennium Mgmt)
+418,196
$4.8M
Steve Cohen (Point72)
+179,088
$2.1M
Renaissance Technologies
+122,865
$1.4M
Two Sigma Investments
+46,492
$538K
Ken Fisher (Fisher Asset Mgmt)
+35,305
$408K
Ken Griffin (Citadel Advisors)
+32,085
$371K
AQR Capital Management
+18,034
$209K

Added to0

—

Trimmed0

—

Exited0

—

Who owns STRO

7 super-investors · 2025Q4

Tracked stake

852.1K

Combined value

$10M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New7

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	Izzy Englander Millennium Mgmt	418.2K	$5M	0.0%	New+418.2K	—
2	Steve Cohen Point72	179.1K	$2M	0.0%	New+179.1K	—
3	Renaissance Technologies	122.9K	$1M	0.0%	New+122.9K	—
4	Two Sigma Investments	46.5K	$538K	0.0%	New+46.5K	—
5	Ken Fisher Fisher Asset Mgmt	35.3K	$408K	0.0%	New+35.3K	—
6	Ken Griffin Citadel Advisors	32.1K	$371K	0.0%	New+32.1K	—
7	AQR Capital Management	18.0K	$209K	0.0%	New+18.0K	—

Recent moves

7 transactions

NEWIzzy Englander (Millennium Mgmt)
+418,196 · 2025Q4
NEWSteve Cohen (Point72)
+179,088 · 2025Q4
NEWAQR Capital Management
+18,034 · 2025Q4
NEWTwo Sigma Investments
+46,492 · 2025Q4
NEWKen Griffin (Citadel Advisors)
+32,085 · 2025Q4
NEWRenaissance Technologies
+122,865 · 2025Q4
NEWKen Fisher (Fisher Asset Mgmt)
+35,305 · 2025Q4

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