AGIOAgios Pharmaceuticals, Inc.

$31.83-16% 1Y

Who owns AGIO

236 institutions reported holding AGIO for 2026Q2, together 112% of the company, more than the 231 a quarter earlier.

236

Institutions reporting a position · as of 2026Q2 · up from 231 the quarter before

Shares held by institutions
66.0M

Shares held by institutions · 112% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.45B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
38 / 34

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
52
New positions
38
Positions exited
34
Added to
91
Reduced
60
Shares sold shortsettled Sep 30, 2026
7.0M
Short interestof shares outstanding
12%
Days to coverat the average daily volume
6.4
Change in the short positionsince the Sep 15, 2026 count
−7.2%
Institutional ownership by quarter, 2013Q3 to 2026Q2
QuarterFilersSharesReported value
2026Q223666.0M$2.45B
2026Q123163.1M$2.12B
2025Q423561.2M$1.67B
2025Q321763.5M$2.55B
2025Q221261.7M$2.05B
2025Q121760.1M$1.76B
2024Q422359.8M$1.97B
2024Q320558.1M$2.58B
2024Q220458.1M$2.51B
2024Q118562.0M$1.81B
2023Q416959.9M$1.33B
2023Q314358.9M$1.46B
2023Q215159.3M$1.68B
2023Q116258.8M$1.35B
2022Q416059.5M$1.67B
2022Q316758.0M$1.64B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.6.5Mn/a$240M
VANGUARD GROUP INC6.1Mn/a$225M
FARALLON CAPITAL MANAGEMENT LLC5.9Mn/a$220M
STATE STREET CORP3.5Mn/a$131M
Lynx1 Capital Management LP3.4Mn/a$127M
D. E. Shaw & Co., INC.3.1Mn/a$115M
ARMISTICE CAPITAL, LLC2.4Mn/a$89M
Erste Asset Management GmbH2.2Mn/a$82M
NOMURA HOLDINGS INC2.1Mn/a$78M
GEODE CAPITAL MANAGEMENT LLC1.6Mn/a$58M
Short interest by settlement date, Sep 15, 2025 to Sep 30, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 30, 20267.0M12%6.4
Sep 15, 20267.6M13%9.5
Aug 31, 20267.5M13%8.4
Aug 14, 20267.6M13%7.0
Jul 31, 20266.8M12%5.1
Jul 15, 20266.6M11%6.4
Jun 30, 20266.8M11%5.1
Jun 15, 20266.9M12%6.6
May 29, 20266.9M12%8.2
May 15, 20267.5M13%8.7
Apr 30, 20267.0M12%4.2
Apr 15, 20267.1M12%7.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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