Ticker · CUSIP 04683R106

AVIR

ATEA PHARMACEUTICALS INC

Healthcare·Biotechnology

···Share

Holders (tracked)

Combined shares

3,557,912

Combined value

$12.70M

Last close

$5.74

Quarter

2025Q4

Price is +60.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$5.74+2.77 (+93.27%)H $6.15 · L $2.55 · Avg Vol 433K

Position opened

Tracked holders · last 8 quarters

-1 vs previous quarter over the last 8.

SEC event timeline

16 events

Ken Griffin (Citadel Advisors) added2026-02-17
+962 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+274,122 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+100,019 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+210,933 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+63,905 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−213 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−19,935 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+888 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−39,400 shares · 2025Q4
Position
AQR Capital Management opened position2025-11-14
+13,410 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+312,733 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+104,681 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+17,623 shares · 2025Q3
Position
Wellington Management trimmed2025-11-14
−96,676 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+168,916 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−6,200 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for AVIR →

Follow-the-investor returns

If you'd copied each holder of AVIR…

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 Griffin (Citadel Advisors)	2020Q4	$3.09	+85.9%	$245K
Izzy Englander (Millennium Mgmt)	2021Q1	$3.30	+73.8%	$4.0M
Steve Cohen (Point72)	2021Q3	$3.57	+60.6%	$367K
Two Sigma Investments	2021Q4	$3.67	+56.4%	$4.3M
D.E. Shaw & Co.	2021Q1	$4.41	+30.2%	$2.7M
AQR Capital Management	2022Q1	$5.15	+11.6%	$82K
Renaissance Technologies	2021Q3	$5.32	+8.0%	$6.8M
Wellington Management	2020Q4	$5.39	+6.6%	$1.4M
T. Rowe Price	2020Q4	$11.67	-50.8%	$559K

Who moved on this name in 2025Q4

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

New positions1

Steve Cohen (Point72)
+63,905
$228K

Added to5

Two Sigma Investments
+274,122
$979K
Izzy Englander (Millennium Mgmt)
+210,933
$753K
D.E. Shaw & Co.
+100,019
$357K
Ken Griffin (Citadel Advisors)
+962
$3K
AQR Capital Management
+888
$3K

Trimmed3

Renaissance Technologies
−39,400
$141K
Wellington Management
−19,935
$71K
T. Rowe Price
−213
$1

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	9	11,064,396	$79.9M	—
2022Q2	9	8,894,502	$63.2M	—
2022Q3	9	9,375,762	$53.4M	—
2022Q4	11	10,244,306	$49.3M	+2
2023Q1	12	11,212,140	$37.6M	+1
2023Q2	12	11,013,701	$41.2M	—
2023Q3	11	10,425,455	$31.3M	-1
2023Q4	9	11,398,882	$34.8M	-2
2024Q1	10	11,746,660	$47.5M	+1
2024Q2	9	11,774,180	$39.0M	-1
2024Q3	9	2,672,294	$9.0M	—
2024Q4	8	2,086,081	$7.0M	-1
2025Q1	9	2,361,488	$7.1M	+1
2025Q2	6	2,410,415	$8.7M	-3
2025Q3	10	3,029,131	$8.8M	+4
2025Q4	9	3,557,912	$12.7M	-1

Who owns AVIR

9 super-investors · 2025Q4

Tracked stake

3.56M

Combined value

$13M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added5Trim3

#	Manager	Shares	Value	% of book	Last action
1	Renaissance Technologies	1.19M	$4M	0.0%	Trim−39.4K
2	Two Sigma Investments	745.4K	$3M	0.0%	Added+274.1K
3	Izzy Englander Millennium Mgmt	698.2K	$2M	0.0%	Added+210.9K
4	D.E. Shaw & Co.	464.8K	$2M	0.0%	Added+100.0K
5	Wellington Management	242.8K	$867K	0.0%	Trim−19.9K
6	T. Rowe Price	97.3K	$348K	0.0%	Trim−213
7	Steve Cohen Point72	63.9K	$228K	0.0%	New+63.9K
8	Ken Griffin Citadel Advisors	42.7K	$152K	0.0%	Added+962
9	AQR Capital Management	14.3K	$51K	0.0%	Added+888

Recent moves

20 transactions

NEWSteve Cohen (Point72)
+63,905 · 2025Q4
ADDAQR Capital Management
+888 · 2025Q4
TRIMT. Rowe Price
−213 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+962 · 2025Q4
TRIMWellington Management
−19,935 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+210,933 · 2025Q4
ADDTwo Sigma Investments
+274,122 · 2025Q4
ADDD.E. Shaw & Co.
+100,019 · 2025Q4
TRIMRenaissance Technologies
−39,400 · 2025Q4
ADDT. Rowe Price
+17,623 · 2025Q3
TRIMWellington Management
−96,676 · 2025Q3
ADDD.E. Shaw & Co.
+168,916 · 2025Q3
NEWAQR Capital Management
+13,410 · 2025Q3
ADDTwo Sigma Investments
+104,681 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+312,733 · 2025Q3
TRIMRenaissance Technologies
−6,200 · 2025Q3
ADDTwo Sigma Investments
+114,863 · 2025Q2
ADDWellington Management
+54,921 · 2025Q2
ADDIzzy Englander (Millennium Mgmt)
+97,928 · 2025Q2
TRIMD.E. Shaw & Co.
−148,693 · 2025Q2

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