| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Farallon Capital Partners, L.P. | 9.9% | $149,124,966 | 5,674,466 | Dapice Joshua J. | 31 Dec 2024 | |||
| BlackRock, Inc. | 7.8% | $123,299,804 | 4,513,170 | BlackRock, Inc. | 30 Jun 2025 | |||
| 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 |
As of 30 Sep 2025, 215 institutional investors reported holding 63,492,585 shares of AGIOS PHARMACEUTICALS, INC. - Common Stock (AGIO). This represents 108% of the company’s total 58,643,980 outstanding shares.
The largest institutional shareholders of AGIOS PHARMACEUTICALS, INC. - Common Stock (AGIO) together control 86% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FARALLON CAPITAL MANAGEMENT LLC | 9.9% | 5,781,066 | +0.24% | 1.3% | $232,051,989 |
| VANGUARD GROUP INC | 9.6% | 5,604,876 | -1.4% | 0% | $224,979,722 |
| BlackRock, Inc. | 7.8% | 4,545,738 | -6% | 0% | $182,465,924 |
| Bellevue Group AG | 6.3% | 3,714,736 | +3.5% | 3.1% | $149,109,503 |
| Erste Asset Management GmbH | 4.7% | 2,764,900 | +19% | 1% | $108,577,623 |
| Paradigm Biocapital Advisors LP | 4.6% | 2,673,555 | +134% | 3.2% | $107,316,498 |
| WELLINGTON MANAGEMENT GROUP LLP | 4.2% | 2,471,416 | +485% | 0.02% | $99,202,637 |
| Commodore Capital LP | 4% | 2,338,287 | +0.57% | 4.6% | $93,858,840 |
| STATE STREET CORP | 3.9% | 2,262,712 | +16% | 0% | $90,825,260 |
| MACQUARIE GROUP LTD | 3.3% | 1,958,101 | +3% | 0.09% | $78,598,000 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.8% | 1,656,938 | -27% | 0.01% | $66,510,000 |
| TCG Crossover Management, LLC | 2.4% | 1,430,041 | +105% | 2.8% | $57,401,846 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 1,416,315 | +0.75% | 0% | $56,859,764 |
| Frazier Life Sciences Management, L.P. | 2.2% | 1,279,754 | 0% | 1.5% | $51,369,326 |
| Caligan Partners LP | 1.9% | 1,131,205 | +5.6% | 6.3% | $45,406,569 |
| BANK OF AMERICA CORP /DE/ | 1.9% | 1,130,000 | +0.87% | 0% | $45,358,199 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 1,021,201 | -7.7% | 0.01% | $40,987,144 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1.7% | 987,339 | -2.9% | 0.1% | $39,631,000 |
| Rock Springs Capital Management LP | 1.6% | 958,542 | -3.2% | 2.2% | $38,475,876 |
| DEUTSCHE BANK AG\ | 1.6% | 926,734 | +0.56% | 0.01% | $37,199,103 |
| Fisher Asset Management, LLC | 1.5% | 870,145 | -0.84% | 0.01% | $34,927,619 |
| GW&K Investment Management, LLC | 1.5% | 852,942 | -1.8% | 0.3% | $34,238,000 |
| GOLDMAN SACHS GROUP INC | 1.4% | 804,766 | +24% | 0% | $32,303,307 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1.4% | 800,000 | +1.1% | 0.05% | $32,112,000 |
| ARMISTICE CAPITAL, LLC | 1.3% | 764,000 | -35% | 0.96% | $30,666,960 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 172,507 | $4,695,245 | +$2,100,317 | $27.22 | 7 |
| 2025 Q3 | 63,492,585 | $2,545,823,532 | +$81,769,921 | $40.14 | 215 |
| 2025 Q2 | 61,683,672 | $2,051,725,997 | +$65,237,833 | $33.26 | 211 |
| 2025 Q1 | 59,963,279 | $1,757,321,769 | -$10,187,071 | $29.30 | 216 |
| 2024 Q4 | 59,832,442 | $1,966,430,386 | +$43,737,817 | $32.86 | 221 |
| 2024 Q3 | 57,920,716 | $2,574,454,821 | -$15,898,419 | $44.43 | 206 |
| 2024 Q2 | 58,137,954 | $2,507,151,009 | -$113,308,908 | $43.12 | 205 |
| 2024 Q1 | 61,675,983 | $1,803,348,703 | +$64,511,304 | $29.24 | 184 |
| 2023 Q4 | 2,262,303 | $50,416,797 | +$11,750,679 | $22.27 | 3 |
| 2023 Q3 | 57,169,946 | $1,415,017,058 | -$4,958,129 | $24.75 | 139 |
| 2023 Q2 | 57,468,940 | $1,626,096,955 | +$12,169,342 | $28.32 | 148 |
| 2023 Q1 | 57,257,345 | $1,315,213,956 | -$9,971,782 | $22.97 | 159 |
| 2022 Q4 | 57,685,708 | $1,619,825,989 | +$41,423,722 | $28.08 | 153 |
| 2022 Q3 | 52,651,670 | $1,489,020,878 | -$7,966,295 | $28.28 | 148 |
| 2022 Q2 | 56,852,821 | $1,258,863,058 | -$31,593,203 | $22.17 | 137 |
| 2022 Q1 | 57,837,003 | $1,683,501,435 | +$21,351,741 | $29.11 | 139 |
| 2021 Q4 | 57,260,860 | $1,882,115,980 | -$91,300,379 | $32.87 | 144 |
| 2021 Q3 | 59,722,525 | $2,756,230,963 | -$246,955,392 | $46.15 | 155 |
| 2021 Q2 | 64,818,408 | $3,571,542,082 | +$49,489,403 | $55.11 | 177 |
| 2021 Q1 | 64,197,613 | $3,312,467,222 | +$57,879,032 | $51.64 | 167 |
| 2020 Q4 | 63,834,095 | $2,765,934,080 | -$17,892,334 | $43.33 | 184 |
| 2020 Q3 | 64,490,285 | $2,256,153,435 | -$115,138,566 | $35.00 | 201 |
| 2020 Q2 | 66,577,123 | $3,560,517,100 | -$65,381,817 | $53.48 | 200 |
| 2020 Q1 | 68,225,174 | $2,420,555,889 | +$8,749,457 | $35.48 | 181 |
| 2019 Q4 | 67,905,503 | $3,242,333,402 | +$336,999,734 | $47.75 | 186 |
| 2019 Q3 | 61,053,778 | $1,978,163,042 | +$38,658,492 | $32.40 | 173 |
| 2019 Q2 | 59,897,807 | $2,987,491,273 | +$322,164,396 | $49.88 | 179 |
| 2019 Q1 | 59,557,918 | $4,016,974,892 | +$161,713,085 | $67.44 | 188 |
| 2018 Q4 | 57,445,702 | $2,648,765,084 | +$49,982,621 | $46.11 | 179 |
| 2018 Q3 | 55,672,631 | $4,289,775,406 | +$92,832,901 | $77.12 | 199 |
| 2018 Q2 | 54,417,973 | $4,583,620,355 | -$2,797,515 | $84.23 | 206 |
| 2018 Q1 | 54,875,591 | $4,484,038,749 | +$716,756,813 | $81.78 | 193 |
| 2017 Q4 | 47,030,080 | $2,686,215,197 | +$50,537,727 | $57.17 | 174 |
| 2017 Q3 | 46,098,306 | $3,074,260,539 | +$17,987,931 | $66.75 | 169 |
| 2017 Q2 | 46,167,957 | $2,373,358,886 | +$269,224,232 | $51.45 | 165 |
| 2017 Q1 | 41,010,099 | $2,392,727,570 | +$240,618,963 | $58.40 | 154 |
| 2016 Q4 | 38,895,903 | $1,621,759,134 | +$47,855,886 | $41.73 | 152 |
| 2016 Q3 | 37,863,493 | $1,992,276,770 | +$250,616,602 | $52.82 | 161 |
| 2016 Q2 | 34,064,555 | $1,424,544,193 | +$19,597,005 | $41.89 | 150 |
| 2016 Q1 | 33,761,359 | $1,370,476,373 | +$17,790,924 | $40.60 | 146 |
| 2015 Q4 | 33,001,053 | $2,142,549,128 | +$93,232,576 | $64.92 | 138 |
| 2015 Q3 | 31,387,745 | $2,215,538,820 | +$86,489,924 | $70.59 | 148 |
| 2015 Q2 | 29,967,566 | $3,330,230,014 | +$252,450,809 | $111.14 | 159 |
| 2015 Q1 | 27,941,247 | $2,635,167,051 | -$36,991,516 | $94.30 | 149 |
| 2014 Q4 | 27,639,503 | $3,096,870,918 | +$394,968,512 | $112.04 | 144 |
| 2014 Q3 | 24,482,713 | $1,502,054,443 | +$80,445,934 | $61.35 | 119 |
| 2014 Q2 | 23,577,523 | $1,080,167,790 | +$140,723,750 | $45.82 | 98 |
| 2014 Q1 | 20,545,950 | $804,373,483 | +$94,023,723 | $39.15 | 73 |