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Atea Pharmaceuticals, Inc. · 13F filings

AVIR Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Atea Pharmaceuticals, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 126 funds reported holding AVIR at Jun 30, 2026, together owning 74.1% of the company.

← AVIR stock page

Fund sentiment
Bearish
Strongly bearishNeutralStrongly bullish
  • ●64 buying vs 58 selling
  • ▼Held by funds -0.8 pts
  • ●Funds holding -1
  • ▼Superinvestors: 1 added, 3 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding126−1 vs Q1 2026
Held by funds74.1%−0.8 pts
Value held$276M59.4M shares
Put/call ratio–market makers left out

Funds holding and ownership

8 quarters
Q3 2024: 108 fundsQ3 '24Q4 2024: 106 fundsQ4 '24Q1 2025: 103 fundsQ1 '25Q2 2025: 106 fundsQ2 '25Q3 2025: 115 fundsQ3 '25Q4 2025: 111 fundsQ4 '25Q1 2026: 127 fundsQ1 '26Q2 2026: 126 fundsQ2 '2674.1% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding126127−0.8%
In funds' top 10110.0%
13F shares59.4M60.1M−1.1%
Held by funds74.1%74.9%−0.8 pts
New positions1923−17.4%
Increased4538+18.4%
Reduced3840−5.0%
Sold out2010+100.0%
Calls (shares)00–
Puts (shares)00–
Put/call ratio–––

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 47 buyingQ4 2024: 48 sellingQ4 '24Q1 2025: 44 buyingQ1 2025: 46 sellingQ1 '25Q2 2025: 48 buyingQ2 2025: 38 sellingQ2 '25Q3 2025: 49 buyingQ3 2025: 44 sellingQ3 '25Q4 2025: 38 buyingQ4 2025: 55 sellingQ4 '25Q1 2026: 61 buyingQ1 2026: 50 sellingQ1 '26Q2 2026: 64 buyingQ2 2026: 58 sellingQ2 '26
Buying 64Selling 58latest quarter

Superinvestors in AVIR

All superinvestors →

Who owns AVIR

share of fund held shares
  • Index and passive funds32.6%
  • Active managers and hedge funds61.1%
  • Banks and brokers5.9%
  • Pensions, insurers and other0.3%

The top 10 holders own 75.2% of all AVIR shares that funds reported. Groups are our own grouping of filers by name.

Filed so far for Q3 2026

17 funds changed their position

🔒 Free account: see all 17.

Top holders

Q2 2026
#FundOf companySharesValueChange
1Fmr LLC14.97%12M$55.8M+53K
2BlackRock, Inc.10.87%8.7M$40.5M+285K
3BML Capital Management, LLC8.67%7M$32.3M−106K
4Tang Capital Management LLC6.00%4.8M$22.4M0
5Vanguard Capital Management LLC3.70%3M$13.8M−281K
6Bain Capital Life Sciences Investors, LLC2.59%2.1M$9.7M−285K
7Acadian Asset Management LLC2.54%2M$9.5M+452K
8Geode Capital Management, LLC2.44%2M$9.1M+211K
9State Street Corp2.06%1.7M$7.7M−42K
10Two Sigma Investments, LP1.88%1.5M$7M−357K
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

AVIR institutional ownership FAQ

Who owns the most AVIR stock?

In Q2 2026 13F filings the largest holder of AVIR was Fmr LLC, followed by BlackRock, Inc. and BML Capital Management, LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of AVIR is owned by institutions?

Funds that file 13F reports held 74.1% of AVIR's shares at Jun 30, 2026, compared with 74.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying AVIR?

In Q2 2026, 64 funds bought AVIR (19 of them new positions) and 58 sold (20 sold out completely). Among well known investors, 1 added and 3 cut. Our fund sentiment for AVIR is bearish.

What is AVIR's institutional put/call ratio?

Too few option positions were reported for a meaningful ratio.

How current is this AVIR ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.