AGIO · Agios Pharmaceuticals, Inc. · Holdings
Market Cap
$2.01B
Shares
59.70M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 239
Total Value: $2,591,660,091
Total Shares: 69,837,247
Showing 1–100
of 251 holdings by value
· page 1 of 3
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 239 13F filers · Δ vs Mar 31, 2026Top Holder
9.2%
+0.4 pts
Top 5
35.1%
+0.2 pts
Top 10
53.7%
+0.7 pts
HHI
382
Broadly held−2
Quarterly Activity
vs Mar 31, 2026
New
36
Increased
98
Decreased
67
Sold Out
34
Unchanged
38
Holder count:
+2
Institutional value:
+14.1%
Shares held:
+4.0%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid ADAR1 Capital Management, LLC | +1,147,381 | 1,288,053 | |
| Mega UBS Group AG | +853,291 | 985,831 | |
| Small Lynx1 Capital Management LP | +797,369 | 3,408,937 | |
| Mega BlackRock, Inc. | +701,040 | 6,455,997 | |
| Mega AQR CAPITAL MANAGEMENT LLC | +647,930 | 684,340 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid ARMISTICE CAPITAL, LLC | −706,000 | 5,210,000 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | −620,611 | 20,875 | |
| Large Erste Asset Management GmbH | −550,000 | 2,154,900 | |
| Large MARSHALL WACE, LLP | −309,318 | 138,800 | |
| Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. | −300,796 | 1,280,044 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Defilade Capital Management, L.P. | 546,848 | $20,293,529 | |
| Mid Jump Financial, LLC | 182,773 | $6,782,706 | |
| Mega FIRST TRUST ADVISORS LP | 165,587 | $6,144,933 | |
| Small Ishara Investments LP | 164,000 | $6,086,040 | |
| Large Jain Global LLC | 91,647 | $3,401,020 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega T. Rowe Price Investment Management, Inc. | 1,488,740 | $50,364,074 | |
| Mid MPM BIOIMPACT LLC | 1,306,261 | $44,190,809 | |
| Mid Frazier Life Sciences Management, L.P. | 1,256,080 | $42,493,186 | |
| Large Artisan Partners Limited Partnership | 481,516 | $16,289,686 | |
| Mid Vestal Point Capital, LP | 450,000 | $15,223,500 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $239,582,044 | 9.24% | 6,455,997 | Shares | 2026-08-07 | |
| Large FARALLON CAPITAL MANAGEMENT LLC | $219,594,714 | 8.47% | 5,917,400 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP | $131,133,120 | 5.06% | 3,533,633 | Shares | 2026-08-07 | |
| Small Lynx1 Capital Management LP | $126,505,652 | 4.88% | 3,408,937 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $115,300,954 | 4.45% | 3,107,005 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $107,552,090 | 4.15% | 2,898,197 | Shares | 2026-08-13 | |
| Mid ARMISTICE CAPITAL, LLC | $104,279,100 | 4.02% | 2,810,000 | Call | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $99,523,267 | 3.84% | 2,681,845 | Shares | 2026-08-13 | |
| Mid ARMISTICE CAPITAL, LLC | $89,064,000 | 3.44% | 2,400,000 | Shares | 2026-08-14 | |
| Large Erste Asset Management GmbH | $79,968,339 | 3.09% | 2,154,900 | Shares | 2026-07-28 | |
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $78,332,121 | 3.02% | 2,110,809 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $58,421,085 | 2.25% | 1,574,268 | Shares | 2026-08-12 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $51,046,957 | 1.97% | 1,375,558 | Shares | 2026-08-14 | |
| Mid ADAR1 Capital Management, LLC | $47,799,646 | 1.84% | 1,288,053 | Shares | 2026-08-14 | |
| Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $47,502,431 | 1.83% | 1,280,044 | Shares | 2026-08-13 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $46,340,665 | 1.79% | 1,248,738 | Shares | 2026-08-11 | |
| Large GW&K Investment Management, LLC | $44,777,482 | 1.73% | 1,206,615 | Shares | 2026-08-12 | |
| Mega GOLDMAN SACHS GROUP INC | $42,711,085 | 1.65% | 1,150,932 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $36,584,187 | 1.41% | 985,831 | Shares | 2026-08-13 | |
| Mega MORGAN STANLEY | $35,746,427 | 1.38% | 963,256 | Shares | 2026-08-13 | |
| Mega Nuveen, LLC | $32,417,811 | 1.25% | 873,560 | Shares | 2026-08-11 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $30,078,768 | 1.16% | 810,530 | Shares | 2026-08-13 | |
| Small Foresite Capital Management VI LLC | $29,131,350 | 1.12% | 785,000 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $27,190,013 | 1.05% | 732,687 | Shares | 2026-09-02 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $25,395,852 | 0.98% | 684,340 | Shares | 2026-08-14 | |
| Small Parkman Healthcare Partners LLC | $24,828,297 | 0.96% | 669,046 | Shares | 2026-08-14 | |
| Mid SCS Capital Management LLC | $22,742,863 | 0.88% | 612,850 | Shares | 2026-08-06 | |
| Mega Qube Research & Technologies Ltd | $22,178,346 | 0.86% | 597,638 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $20,585,249 | 0.79% | 554,709 | Shares | 2026-08-13 | |
| Small Defilade Capital Management, L.P. | $20,293,529 | 0.78% | 546,848 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $19,969,930 | 0.77% | 538,128 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP | $19,905,061 | 0.77% | 536,380 | Shares | 2026-08-14 | |
| Mid Rock Springs Capital Management LP | $19,763,412 | 0.76% | 532,563 | Shares | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC | $19,300,280 | 0.74% | 520,083 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $18,847,016 | 0.73% | 507,869 | Shares | 2026-08-14 | |
| Large Point72 Asset Management, L.P. | $18,790,425 | 0.73% | 506,344 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $18,280,311 | 0.71% | 492,598 | Shares | 2026-08-14 | |
| Mega Legal & General Group Plc | $16,132,421 | 0.62% | 434,719 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $14,690,661 | 0.57% | 395,868 | Shares | 2026-08-13 | |
| Large PANAGORA ASSET MANAGEMENT INC | $13,876,579 | 0.54% | 373,931 | Shares | 2026-08-06 | |
| Mid KENNEDY CAPITAL MANAGEMENT LLC | $13,850,565 | 0.53% | 373,230 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO | $13,350,543 | 0.52% | 359,756 | Shares | 2026-08-12 | |
| Large Connor, Clark & Lunn Investment Management Ltd. | $13,342,900 | 0.51% | 359,550 | Shares | 2026-08-13 | |
| Large Squarepoint Ops LLC | $11,917,431 | 0.46% | 321,138 | Shares | 2026-08-14 | |
| Large Ensign Peak Advisors, Inc | $11,045,049 | 0.43% | 297,630 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $9,996,803 | 0.39% | 269,383 | Shares | 2026-08-13 | |
| Mid ALGERT GLOBAL LLC | $9,203,539 | 0.36% | 248,007 | Shares | 2026-08-13 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $8,125,828 | 0.31% | 218,966 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $7,974,939 | 0.31% | 214,900 | Put | 2026-08-14 | |
| Small Palo Alto Investors LP | $7,926,733 | 0.31% | 213,601 | Shares | 2026-08-19 | |
| Small Tetragon Partners GP Ltd | $7,629,036 | 0.29% | 205,579 | Shares | 2026-08-13 | |
| Mega Bank of New York Mellon Corp Bank | $7,373,199 | 0.28% | 198,685 | Shares | 2026-08-06 | |
| Mid Jump Financial, LLC | $6,782,706 | 0.26% | 182,773 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $6,334,677 | 0.24% | 170,700 | Call | 2026-08-14 | |
| Mega Invesco Ltd. | $6,240,157 | 0.24% | 168,153 | Shares | 2026-08-14 | |
| Mega FIRST TRUST ADVISORS LP | $6,144,933 | 0.24% | 165,587 | Shares | 2026-08-11 | |
| Small Ishara Investments LP | $6,086,040 | 0.23% | 164,000 | Shares | 2026-08-14 | |
| Large HRT FINANCIAL LP | $5,965,766 | 0.23% | 160,759 | Shares | 2026-08-14 | |
| Mid GROUP ONE TRADING LLC | $5,640,497 | 0.22% | 151,994 | Shares | 2026-08-14 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $5,562,269 | 0.21% | 149,886 | Shares | 2026-08-14 | |
| Large MARSHALL WACE, LLP | $5,150,868 | 0.20% | 138,800 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5,080,359 | 0.20% | 136,900 | Put | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $4,991,740 | 0.19% | 134,512 | Shares | 2026-08-12 | |
| Large Man Group plc | $4,618,932 | 0.18% | 124,466 | Shares | 2026-08-14 | |
| Mid ArrowMark Colorado Holdings LLC | $4,368,366 | 0.17% | 117,714 | Shares | 2026-08-13 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $4,338,488 | 0.17% | 116,909 | Shares | 2026-08-13 | |
| Mega Pictet Asset Management Holding SA | $4,151,161 | 0.16% | 111,861 | Shares | 2026-07-30 | |
| Mega Swiss National Bank Bank | $4,143,702 | 0.16% | 111,660 | Shares | 2026-08-11 | |
| Large CAPITAL FUND MANAGEMENT S.A. | $3,862,408 | 0.15% | 104,080 | Shares | 2026-08-13 | |
| Large Assenagon Asset Management S.A. | $3,857,770 | 0.15% | 103,955 | Shares | 2026-08-21 | |
| Large Universal- Beteiligungs- und Servicegesellschaft mbH | $3,700,831 | 0.14% | 99,726 | Shares | 2026-08-06 | |
| Small Knott David M Jr | $3,527,602 | 0.14% | 95,058 | Shares | 2026-08-12 | |
| Large Trexquant Investment LP | $3,471,232 | 0.13% | 93,539 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $3,402,987 | 0.13% | 91,700 | Call | 2026-09-02 | |
| Large Jain Global LLC | $3,401,020 | 0.13% | 91,647 | Shares | 2026-08-14 | |
| Mid Caligan Partners LP | $3,339,900 | 0.13% | 90,000 | Call | 2026-08-14 | |
| Mega CITIGROUP INC | $3,308,986 | 0.13% | 89,167 | Shares | 2026-08-03 | |
| Mega CITADEL ADVISORS LLC | $3,295,368 | 0.13% | 88,800 | Put | 2026-09-02 | |
| Mega RHUMBLINE ADVISERS | $2,948,055 | 0.11% | 79,441 | Shares | 2026-08-12 | |
| Mid Campbell & CO Investment Adviser LLC | $2,712,555 | 0.10% | 73,095 | Shares | 2026-08-03 | |
| Small Exome Asset Management LLC | $2,616,255 | 0.10% | 70,500 | Shares | 2026-08-14 | |
| Mid Edgestream Partners, L.P. | $2,604,936 | 0.10% | 70,195 | Shares | 2026-08-11 | |
| Mega Russell Investments Group, Ltd. | $2,481,023 | 0.10% | 66,856 | Shares | 2026-08-06 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $2,478,799 | 0.10% | 66,796 | Shares | 2026-08-24 | |
| Large TUDOR INVESTMENT CORP ET AL | $2,441,058 | 0.09% | 65,779 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Bank | $2,309,280 | 0.09% | 62,228 | Shares | 2026-08-07 | |
| Mega ALLIANCEBERNSTEIN L.P. | $2,295,773 | 0.09% | 61,864 | Shares | 2026-08-14 | |
| Large ALPS ADVISORS INC | $2,228,789 | 0.09% | 60,059 | Shares | 2026-07-29 | |
| Small Seven Fleet Capital Management LP | $2,111,559 | 0.08% | 56,900 | Shares | 2026-08-17 | |
| Large Rafferty Asset Management, LLC | $2,062,573 | 0.08% | 55,580 | Shares | 2026-08-14 | |
| Mid Engineers Gate Manager LP | $2,000,674 | 0.08% | 53,912 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN | $1,975,736 | 0.08% | 53,240 | Shares | 2026-08-14 | |
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $1,931,575 | 0.07% | 52,050 | Shares | 2026-08-13 | |
| Mid XTX Topco Ltd | $1,869,082 | 0.07% | 50,366 | Shares | 2026-08-14 | |
| Small Tetragon Partners GP Ltd | $1,855,500 | 0.07% | 50,000 | Call | 2026-08-13 | |
| Large Caption Management, LLC | $1,855,500 | 0.07% | 50,000 | Call | 2026-08-14 | |
| Mega DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Bank | $1,846,742 | 0.07% | 49,764 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC | $1,792,412 | 0.07% | 48,300 | Shares | 2026-08-14 | |
| Mid HARBOR CAPITAL ADVISORS, INC. | $1,727,470 | 0.07% | 46,550 | Shares | 2026-08-07 | |
| Large Quantinno Capital Management LP | $1,614,804 | 0.06% | 43,514 | Shares | 2026-08-13 |
Key facts
CIK
1439222
CUSIP
00847X104
13F (30d)
122 filings
121 filers
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