Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 03753U106 since 12/18/2024, largest first.
| Filer | % of Class | Filed | ||
|---|---|---|---|---|
| BlackRock, Inc. 13G | 10.5% |
2/6/2026
Event 1/31/2026
|
||
| State Street Corp 13G | 5.4% |
5/12/2026
Event 3/31/2026
|
||
| Under 5%, checked the "5 percent or less" box, or amended by a later filing (7) | ||||
|
Deep Track Capital, LP
13G/A
|
3.6% |
5/15/2026
Event 3/31/2026
|
||
| Deep Track Capital, LP | 3.6% | |||
| Deep Track Biotechnology Master Fund, Ltd. | 3.6% | |||
| David Kroin | 3.6% | |||
|
RTW Investments, LP
13G/A
|
2.9% |
5/15/2026
Event 3/31/2026
|
||
| RTW Investments, LP | 2.9% | |||
| Roderick Wong | 2.9% | |||
|
EcoR1 Capital, LLC
13G/A
|
2.7% |
11/14/2025
Event 9/30/2025
|
||
| EcoR1 Capital, LLC | 2.7% | |||
| Oleg Nodelman | 2.7% | |||
| EcoR1 Capital Fund Qualified, L.P. | 2.5% | |||
|
Wellington Management Group LLP
13G/A
|
0.2% |
4/7/2026
Event 3/31/2026
|
||
| Wellington Management Group LLP | 0.2% | |||
| Wellington Group Holdings LLP | 0.2% | |||
| Wellington Investment Advisors Holdings LLP | 0.2% | |||
| Biogen Inc. 13D/A | 0% |
5/14/2026
Event 5/14/2026
|
||
|
Morgan Stanley
13G/A
|
0% |
6/5/2026
Event 5/31/2026
|
||
| Morgan Stanley | 0% | |||
| Morgan Stanley Capital Services LLC | 0% | |||
| Vanguard Group Inc 13G/A | 0% |
3/26/2026
Event 3/13/2026
|
||
| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2026 Q2 | 1 | 248 | $10.2 k |
| 2026 Q1 | 348 | 140 M | $5.56 B |
| 2025 Q4 | 311 | 126 M | $3.17 B |
| 2025 Q3 | 310 | 122 M | $2.77 B |
| 2025 Q2 | 277 | 133 M | $2.30 B |
| 2025 Q1 | 280 | 128 M | $2.80 B |
| 2024 Q4 | 295 | 127 M | $4.05 B |
| 2024 Q3 | 303 | 122 M | $3.53 B |
| 2024 Q2 | 295 | 121 M | $4.65 B |
| 2024 Q1 | 343 | 119 M | $6.97 B |
| 2023 Q4 | 340 | 120 M | $7.18 B |
| 2023 Q3 | 319 | 114 M | $4.34 B |
| 2023 Q2 | 375 | 108 M | $9.81 B |
| 2023 Q1 | 319 | 111 M | $7.35 B |
| 2022 Q4 | 279 | 105 M | $5.44 B |
| 2022 Q3 | 285 | 97.9 M | $6.68 B |
| 2022 Q2 | 237 | 91.8 M | $4.15 B |
| 2022 Q1 | 244 | 91.1 M | $4.63 B |
| 2021 Q4 | 211 | 82.7 M | $3.91 B |
| 2021 Q3 | 225 | 69.5 M | $2.29 B |
| 2021 Q2 | 236 | 65.3 M | $4.13 B |
| 2021 Q1 | 188 | 65.0 M | $2.80 B |
| 2020 Q4 | 182 | 63.9 M | $3.65 B |
| 2020 Q3 | 161 | 62.1 M | $1.87 B |
| 2020 Q2 | 158 | 61.4 M | $2.00 B |
| 2020 Q1 | 165 | 57.3 M | $1.54 B |
| 2019 Q4 | 162 | 44.6 M | $1.37 B |
| 2019 Q3 | 137 | 40.5 M | $976 M |
| 2019 Q2 | 103 | 40.5 M | $1.03 B |
| 2019 Q1 | 97 | 40.1 M | $783 M |
| 2018 Q4 | 97 | 32.5 M | $429 M |
| 2018 Q3 | 83 | 29.9 M | $532 M |
| 2018 Q2 | 75 | 29.7 M | $654 M |
| 2018 Q1 | 49 | 17.1 M | $376 M |
| 2017 Q4 | 46 | 15.7 M | $340 M |