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AGIO Institutional Ownership & 13F Holders | SmartMoneyDB

AGIOAGIOS PHARMACEUTICALS INC

COM · CUSIP 00847X104

Smart Money Ownership

Of the 11 tracked institutions holding AGIO, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +4.4pt. It's a gauge of who owns the name, not just how many.

Ken Griffin

$21.0M

+6.7pt

ARMISTICE CAPITAL, LLC

$91.9M · 3.0% of book

PRICE T ROWE ASSOCIATES INC /MD/

$10.1M

+2.7pt

AGIO (AGIOS PHARMACEUTICALS INC) Institutional Ownership Summary

Among the 11 tracked institutional investors we monitor, AGIO (AGIOS PHARMACEUTICALS INC) is held with a combined value of $608.17M across 19,073,682 shares. The largest holder is BlackRock, Inc. with a position worth $194.69M. Magnetar Financial LLC opened a new position in the most recent quarter. 4 funds increased their holdings. 6 funds reduced their position.

Total Institutional Value

$608.17M

Total Shares Held

19,073,682

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

BlackRock, Inc.+10% shares~$17.5M STATE STREET CORP+8% shares~$8.7M WELLINGTON MANAGEMENT GROUP LLP+7% shares~$1.5M AQR CAPITAL MANAGEMENT LLC+30% shares~$287.2K Magnetar Financial LLCNew position~$200.8K

13F Institutional Holders

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ARMISTICE CAPITAL, LLC

3.03% of book-55.0%

$91.88M

WELLINGTON MANAGEMENT GROUP LLP

PRICE T ROWE ASSOCIATES INC /MD/

0.00% of book-53.2%

$10.11M

AQR CAPITAL MANAGEMENT LLC

0.00% of book+30.4%

$1.23M

MILLENNIUM MANAGEMENT LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	BlackRock, Inc.	$194.69M	5,754,957	0.00%	+9.9%
2	VANGUARD GROUP INC	$152.28M	5,594,353	0.00%	-0.2%
3	STATE STREET CORP	$113.72M	3,364,879	0.00%	+8.3%
4	ARMISTICE CAPITAL, LLC	$91.88M	2,716,000	3.03%	-55.0%
5	WELLINGTON MANAGEMENT GROUP LLP	$21.70M	641,486	0.00%	+7.3%
6	CITADEL ADVISORS LLC	$20.96M	619,613	0.01%	-54.1%
7	PRICE T ROWE ASSOCIATES INC /MD/	$10.11M	298,783	0.00%	-53.2%
8	AQR CAPITAL MANAGEMENT LLC	$1.23M	36,410	0.00%	+30.4%
9	MILLENNIUM MANAGEMENT LLC	$1.09M	32,144	0.00%	-92.3%
10	FMR LLC	$308.56K	9,121	0.00%	-62.5%

Congress Trading

2 members · 5 disclosed trades in AGIO

Member	Type	Amount	Date
Gilbert Cisneros	Buy	$1,001 - $15,000	Mar 3, 2026
Gilbert Cisneros	Buy	$1,001 - $15,000	Dec 11, 2025
Gilbert Cisneros	Buy	$1,001 - $15,000	Apr 17, 2025
Gilbert Cisneros	Buy	$1,001 - $15,000

Frequently Asked Questions

Which institutional investors own the most AGIO stock?

As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of AGIO with a position worth $194.69M, representing 0.00% of their portfolio. In total, 11 institutional investors hold AGIO with a combined value of $608.17M.

Are hedge funds buying or selling AGIO?

In the most recent quarter, 1 fund opened a new position in AGIO. Additionally, 4 increased their holdings and 6 reduced their positions.

What percentage of AGIO is owned by institutional investors?

Institutional investors hold $608.17M worth of AGIO stock across 11 positions. The largest institutional holder is BlackRock, Inc. with $194.69M in holdings.

What is a 13F filing and why does it matter for AGIO?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AGIO, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track AGIO institutional moves

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