Ticker · CUSIP 82835W108

SPRY

SILVERBACK THERAPEUTICS INC

Healthcare·Biotechnology

···Share

Holders (tracked)

Combined shares

7,094,362

Combined value

$82.65M

Last close

$8.18

Quarter

2025Q4

Price is -29.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$8.18-6.70 (-45.03%)H $18.35 · L $6.73 · Avg Vol 1.8M

Position opened

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

12 events

Two Sigma Investments exited2026-02-17
−72,177 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+368,439 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) opened position2026-02-17
+3,168,406 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−7,692 shares · 2025Q4
Position
Daniel Loeb (Third Point) opened position2026-02-17
+556,237 shares · 2025Q4
Position
Wellington Management exited2025-11-14
−1,433,187 shares · 2025Q3
Position
Ron Baron (Baron Capital / BAMCO) added2025-11-14
+1,228,532 shares · 2025Q3
Position
AQR Capital Management exited2025-11-14
−16,132 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) exited2025-11-14
−878,157 shares · 2025Q3
Position
Two Sigma Investments opened position2025-11-14
+72,177 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−23,230 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+6,397 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for SPRY →

Follow-the-investor returns

If you'd copied each holder of SPRY…

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
Ron Baron (Baron Capital / BAMCO)	2025Q2	$10.28	-20.5%	$10.4M
Ken Griffin (Citadel Advisors)	2020Q4	$11.65	-29.8%	$16.0M
Ken Griffin (Citadel Advisors)	2020Q4	$11.65	-29.8%	$16.0M
Ken Griffin (Citadel Advisors)	2020Q4	$11.65	-29.8%	$16.0M
Daniel Loeb (Third Point)	2025Q4	$11.65	-29.8%	$4.6M
Izzy Englander (Millennium Mgmt)	2020Q4	$11.91	-31.3%	$25.9M
T. Rowe Price	2021Q4	$13.89	-41.1%	$276K
D.E. Shaw & Co.	2021Q1	$16.23	-49.6%	$217K

Who moved on this name in 2025Q4

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

New positions2

Izzy Englander (Millennium Mgmt)
+3,168,406
$36.9M
Daniel Loeb (Third Point)
+556,237
$6.5M

Added to1

Ken Griffin (Citadel Advisors)
+368,439
$4.3M

Trimmed1

D.E. Shaw & Co.
−7,692
$90K

Exited1

Two Sigma Investments
−72,177
$725K

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	7	3,373,219	$11.8M	—
2022Q2	10	2,564,829	$10.9M	+3
2022Q3	8	1,673,643	$8.8M	-2
2022Q4	7	1,438,987	$12.3M	-1
2023Q1	11	2,089,807	$13.6M	+4
2023Q2	10	4,974,643	$33.3M	-1
2023Q3	8	4,084,994	$15.4M	-2
2023Q4	6	2,869,777	$15.7M	-2
2024Q1	7	2,983,726	$30.5M	+1
2024Q2	9	4,617,257	$39.3M	+2
2024Q3	10	2,375,212	$34.4M	+1
2024Q4	7	2,181,662	$23.0M	-3
2025Q1	9	1,989,045	$25.0M	+2
2025Q2	9	4,811,292	$84.0M	—
2025Q3	7	3,137,849	$31.5M	-2
2025Q4	8	7,094,362	$82.6M	+1

Who owns SPRY

8 super-investors · 2025Q4

Tracked stake

7.09M

Combined value

$83M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New2Added3Trim1Held2

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	Izzy Englander Millennium Mgmt	3.17M	$37M	0.0%	New+3.17M
2	Ken Griffin Citadel Advisors	1.95M	$23M	0.0%	Added+368.4K
3	Ron Baron Baron Capital / BAMCO	1.27M	$15M	0.0%	Held
4	Daniel Loeb Third Point	556.2K	$6M	0.1%	New+556.2K	—
5	Ken Griffin Citadel Advisors	69.6K	$811K	0.0%	Added+368.4K
6	T. Rowe Price	33.8K	$394K	0.0%	Held
7	D.E. Shaw & Co.	26.5K	$309K	0.0%	Trim−7.7K
8	Ken Griffin Citadel Advisors	16.8K	$196K	0.0%	Added+368.4K

Recent moves

20 transactions

SOLDTwo Sigma Investments
−72,177 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+368,439 · 2025Q4
NEWIzzy Englander (Millennium Mgmt)
+3,168,406 · 2025Q4
NEWDaniel Loeb (Third Point)
+556,237 · 2025Q4
TRIMD.E. Shaw & Co.
−7,692 · 2025Q4
ADDT. Rowe Price
+6,397 · 2025Q3
SOLDIzzy Englander (Millennium Mgmt)
−878,157 · 2025Q3
NEWTwo Sigma Investments
+72,177 · 2025Q3
SOLDAQR Capital Management
−16,132 · 2025Q3
ADDRon Baron (Baron Capital / BAMCO)
+1,228,532 · 2025Q3
TRIMD.E. Shaw & Co.
−23,230 · 2025Q3
SOLDWellington Management
−1,433,187 · 2025Q3
ADDWellington Management
+1,301,411 · 2025Q2
ADDIzzy Englander (Millennium Mgmt)
+71,121 · 2025Q2
ADDAQR Capital Management
+5,016 · 2025Q2
NEWRon Baron (Baron Capital / BAMCO)
+40,000 · 2025Q2
SOLDTwo Sigma Investments
−10,771 · 2025Q2
ADDT. Rowe Price
+5,632 · 2025Q2
ADDD.E. Shaw & Co.
+23,652 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−132,242 · 2025Q1

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