Latest Period
Q1 2026
CUSIP: 00847X104
Latest Period
Q1 2026
Institutions Reporting
230
Shares (Excl. Options)
63,038,208
Price
$33.83
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Latest holder context comes from 230 institutions filings for Q1 2026.
Security key
00847X104
Latest holder period
Q1 2026
13F holders
230
13D/G owners
7
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 00847X104:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Farallon Capital Partners, L.P. | 8.8% | -11% | $146,117,182 | -$14,583,696 | 5,159,505 | -9.1% | Dapice Joshua J. | 31 Dec 2025 |
| BlackRock, Inc. | 7.8% | $150,100,362 | 4,513,170 | BlackRock, Inc. | 30 Jun 2025 | |||
| STATE STREET CORP | 5.3% | $88,022,666 | 3,108,145 | STATE STREET CORPORATION | 31 Dec 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.3% | $104,472,757 | 3,088,169 | Vanguard Capital Management | 31 Mar 2026 | |||
| Lynx1 Capital Management LP | 5.1% | $105,819,749 | 3,013,949 | Lynx1 Capital Management LP | 29 Apr 2026 | |||
| Paradigm Biocapital Advisors LP | 4.9% | -6% | $115,344,498 | -$6,198,499 | 2,873,555 | -5.1% | Paradigm BioCapital Advisors LP | 30 Sep 2025 |
| ARMISTICE CAPITAL, LLC | 4.6% | -13% | $95,358,760 | -$11,235,200 | 2,716,000 | -11% | Armistice Capital, LLC | 31 Mar 2026 |
As of 31 Mar 2026, 230 institutional investors reported holding 63,038,208 shares of AGIOS PHARMACEUTICALS, INC. - Common Stock, Par Value $0.001 per share (AGIO). This represents 106% of the company’s total 59,431,072 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.7% | 5,754,957 | +9.9% | 0% | $194,690,195 |
| FARALLON CAPITAL MANAGEMENT LLC | 9.6% | 5,684,000 | +10% | 1.3% | $192,289,720 |
| STATE STREET CORP | 5.7% | 3,364,879 | +8.3% | 0% | $113,719,376 |
| ARMISTICE CAPITAL, LLC | 4.6% | 2,716,000 | -11% | 3% | $91,882,280 |
| Erste Asset Management GmbH | 4.6% | 2,704,900 | -3.6% | 0.74% | $80,092,089 |
| D. E. Shaw & Co., Inc. | 4.5% | 2,681,169 | +46% | 0.07% | $90,703,947 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4% | 2,632,316 | 0% | 0% | $89,051,250 |
| Lynx1 Capital Management LP | 4.4% | 2,611,568 | +3180% | 14% | $88,349,345 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.4% | 2,611,035 | 0% | 0% | $88,331,314 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2.7% | 1,580,840 | +16% | 0.06% | $53,479,817 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2.5% | 1,494,435 | -12% | 0.09% | $50,557,000 |
| T. Rowe Price Investment Management, Inc. | 2.5% | 1,488,740 | +166799% | 0.03% | $50,365,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 1,467,910 | +3.8% | 0% | $49,670,160 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.3% | 1,344,953 | +18% | 0.06% | $45,499,760 |
| MPM BIOIMPACT LLC | 2.2% | 1,306,261 | +0.22% | 3.4% | $44,190,810 |
| Frazier Life Sciences Management, L.P. | 2.1% | 1,256,080 | -1.8% | 1.1% | $42,493,186 |
| GW&K Investment Management, LLC | 2% | 1,214,901 | +0.63% | 0.36% | $41,101,000 |
| DIMENSIONAL FUND ADVISORS LP | 1.9% | 1,151,614 | +15% | 0.01% | $38,940,060 |
| MORGAN STANLEY | 1.6% | 967,524 | +8.2% | 0% | $32,731,355 |
| GOLDMAN SACHS GROUP INC | 1.4% | 805,776 | -22% | 0% | $27,259,402 |
| Rock Springs Capital Management LP | 1.3% | 799,163 | 0% | 1.6% | $27,035,684 |
| Nuveen, LLC | 1.2% | 722,348 | +142% | 0.01% | $24,437,033 |
| JANE STREET GROUP, LLC | 1.2% | 685,240 | -39% | 0.02% | $23,181,669 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.1% | 641,486 | +7.3% | 0% | $21,701,472 |
| CITADEL ADVISORS LLC | 1% | 619,613 | -54% | 0.01% | $20,961,508 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 63,038,208 | $2,119,469,955 | +$71,916,598 | $33.83 | 230 |
| 2025 Q4 | 61,265,073 | $1,667,804,671 | -$303,649,463 | $27.22 | 237 |
| 2025 Q3 | 63,487,439 | $2,545,616,686 | +$81,769,351 | $40.14 | 216 |
| 2025 Q2 | 61,683,672 | $2,051,725,997 | +$65,237,829 | $33.26 | 211 |
| 2025 Q1 | 59,963,279 | $1,757,322,194 | -$10,187,060 | $29.30 | 216 |
| 2024 Q4 | 59,832,436 | $1,966,429,716 | +$37,958,970 | $32.86 | 221 |
| 2024 Q3 | 58,096,571 | $2,582,267,784 | -$8,181,474 | $44.43 | 204 |
| 2024 Q2 | 58,132,966 | $2,506,935,894 | -$125,225,015 | $43.12 | 203 |
| 2024 Q1 | 61,946,791 | $1,811,267,450 | +$89,235,062 | $29.24 | 183 |
| 2023 Q4 | 59,884,422 | $1,333,701,271 | +$15,853,345 | $22.27 | 167 |
| 2023 Q3 | 59,110,077 | $1,463,036,585 | -$8,921,651 | $24.75 | 142 |
| 2023 Q2 | 59,366,269 | $1,679,785,246 | +$16,420,594 | $28.32 | 150 |
| 2023 Q1 | 58,996,438 | $1,355,139,176 | -$9,985,145 | $22.97 | 161 |
| 2022 Q4 | 59,442,573 | $1,669,125,079 | +$45,133,345 | $28.08 | 156 |
| 2022 Q3 | 57,972,960 | $1,639,524,356 | -$46,396,034 | $28.28 | 155 |
| 2022 Q2 | 59,017,906 | $1,308,562,484 | -$21,425,021 | $22.17 | 143 |
| 2022 Q1 | 59,895,743 | $1,743,443,247 | +$19,219,573 | $29.11 | 146 |
| 2021 Q4 | 59,210,281 | $1,947,305,194 | -$73,787,635 | $32.87 | 148 |
| 2021 Q3 | 60,890,488 | $2,810,077,563 | -$244,072,957 | $46.15 | 157 |
| 2021 Q2 | 65,926,694 | $3,632,531,095 | +$51,380,893 | $55.11 | 179 |
| 2021 Q1 | 65,233,267 | $3,366,007,585 | +$56,136,770 | $51.64 | 168 |
| 2020 Q4 | 64,981,734 | $2,817,090,446 | -$19,419,372 | $43.33 | 189 |
| 2020 Q3 | 65,869,834 | $2,304,359,620 | -$101,763,130 | $35.00 | 206 |
| 2020 Q2 | 67,492,943 | $3,609,431,770 | -$76,258,753 | $53.48 | 205 |
| 2020 Q1 | 69,390,256 | $2,461,883,479 | +$6,215,421 | $35.48 | 188 |