Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 03753U106 since 12/18/2024, newest first.
| Filer | % of Class | Filed | |
|---|---|---|---|
|
Morgan Stanley
13G/A
Amendment 1
|
0% |
6/5/2026
Event 5/31/2026
|
|
| Morgan Stanley | 0% | ||
| Morgan Stanley Capital Services LLC | 0% | ||
|
RTW Investments, LP
13G/A
Amendment 1
|
2.9% |
5/15/2026
Event 3/31/2026
|
|
| RTW Investments, LP | 2.9% | ||
| Roderick Wong | 2.9% | ||
|
Deep Track Capital, LP
13G/A
Amendment 1
|
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% | ||
| Biogen Inc. 13D/A Amendment 1 | 0% |
5/14/2026
Event 5/14/2026
|
|
| State Street Corp 13G | 5.4% |
5/12/2026
Event 3/31/2026
|
|
|
Wellington Management Group LLP
13G/A
Amendment 11
|
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 | 14.2% |
4/6/2026
Event 3/31/2026
|
|
| Vanguard Group Inc 13G/A Amendment 4 | 0% |
3/26/2026
Event 3/13/2026
|
|
|
RTW Investments, LP
13G
|
6.1% |
2/17/2026
Event 12/31/2025
|
|
| RTW Investments, LP | 6.1% | ||
| Roderick Wong | 6.1% | ||
| BlackRock, Inc. 13G | 10.5% |
2/6/2026
Event 1/31/2026
|
|
|
EcoR1 Capital, LLC
13G/A
Amendment 2
|
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
Amendment 10
|
10.9% |
11/7/2025
Event 10/31/2025
|
|
| Wellington Management Group LLP | 10.9% | ||
| Wellington Group Holdings LLP | 10.9% | ||
| Wellington Investment Advisors Holdings LLP | 10.9% | ||
| Wellington Management Company LLP | 10.5% | ||
|
Wellington Management Group LLP
13G/A
Amendment 9
|
7.2% |
8/12/2025
Event 6/30/2025
|
|
| Wellington Management Group LLP | 7.2% | ||
| Wellington Group Holdings LLP | 7.2% | ||
| Wellington Investment Advisors Holdings LLP | 7.2% | ||
| Wellington Management Company LLP | 7.0% | ||
|
Deep Track Capital, LP
13G
|
5.6% |
5/16/2025
Event 5/9/2025
|
|
| Deep Track Capital, LP | 5.6% | ||
| Deep Track Biotechnology Master Fund, Ltd. | 5.6% | ||
| David Kroin | 5.6% | ||
| BlackRock, Inc. 13G/A Amendment 1 | 4.5% |
4/25/2025
Event 3/31/2025
|
|
|
Wellington Management Group LLP
13G/A
Amendment 8
|
9.5% |
2/10/2025
Event 12/31/2024
|
|
| Wellington Management Group LLP | 9.5% | ||
| Wellington Group Holdings LLP | 9.5% | ||
| Wellington Investment Advisors Holdings LLP | 9.5% | ||
| Wellington Management Company LLP | 9.3% | ||
|
Morgan Stanley
13G
|
7.7% |
2/3/2025
Event 12/31/2024
|
|
| Morgan Stanley | 7.7% | ||
| Morgan Stanley Capital Services LLC | 6.3% |
| 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 |