Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 71535D106 since 12/18/2024, newest first.
| Filer | % of Class | Filed | |
|---|---|---|---|
| Ameriprise Financial, Inc. 13G/A Amendment 1 | 5.8% |
8/14/2026
Event 6/30/2026
|
|
|
Deep Track Capital, LP
13G/A
Amendment 1
|
3.8% |
8/14/2026
Event 6/30/2026
|
|
| Deep Track Capital, LP | 3.8% | ||
| Deep Track Biotechnology Master Fund, Ltd. | 3.8% | ||
| David Kroin | 3.8% | ||
| BlackRock, Inc. 13G | 5.9% |
7/29/2026
Event 6/30/2026
|
|
|
Tempus AI, Inc.
13D/A
Amendment 3
|
12.6% |
7/21/2026
Event 7/19/2026
|
|
| Tempus AI, Inc. | 12.5% | ||
| Eric Lefkofsky | 12.6% | ||
|
Lightspeed Venture Partners Select IV, L.P.
13D/A
Amendment 3
|
2.0% |
6/10/2026
Event 6/8/2026
|
|
| Lightspeed Venture Partners Select IV, L.P. | 2.0% | ||
| Lightspeed General Partner Select IV, L.P. | 2.0% | ||
| Lightspeed Ultimate General Partner Select IV, L.L.C. | 2.0% | ||
| Lightspeed Venture Partners Select, L.P. | 1.9% | ||
| Lightspeed General Partner Select, L.P. | 1.9% | ||
| Lightspeed Ultimate General Partner Select, Ltd. | 1.9% | ||
| Lightspeed Venture Partners VIII, L.P. | 2.0% | ||
| Lightspeed General Partner VIII, L.P. | 2.0% | ||
| Lightspeed Ultimate General Partner VIII, Ltd. | 2.0% | ||
| LSVP VIII Trust | 2.0% | ||
| Lightspeed Trustee VIII, LLC | 2.0% | ||
|
Deep Track Capital, LP
13G
|
5.5% |
5/12/2026
Event 5/5/2026
|
|
| Deep Track Capital, LP | 5.5% | ||
| Deep Track Biotechnology Master Fund, Ltd. | 5.5% | ||
| David Kroin | 5.5% | ||
| T. Rowe Price Investment Management, Inc. 13G/A Amendment 1 | 4.5% |
4/8/2026
Event 3/31/2026
|
|
| Ameriprise Financial, Inc. 13G | 7.1% |
2/17/2026
Event 12/31/2025
|
|
|
Orin Hirschman
13G/A
Amendment 3
|
3.8% |
1/29/2026
Event 12/31/2025
|
|
| Orin Hirschman | 3.8% | ||
| AIGH Capital Management LLC | 3.3% | ||
| T. Rowe Price Investment Management, Inc. 13G | 12.1% |
1/8/2026
Event 12/31/2025
|
|
|
Red Sky Ventures LLC
13G/A
Amendment 3
|
4.7% |
11/13/2025
Event 9/30/2025
|
|
| Red Sky Ventures LLC | 4.7% | ||
| Kimberly Jo Keywell | 4.7% | ||
|
Tempus AI, Inc.
13D/A
Amendment 2
|
14.5% |
9/12/2025
Event 9/11/2025
|
|
| Tempus AI, Inc. | 14.3% | ||
| Eric Lefkofsky | 14.5% | ||
|
Bradley A. Keywell
13G/A
Amendment 1
|
7.6% |
5/15/2025
Event 1/17/2025
|
|
| Bradley A. Keywell | 7.6% | ||
| Bk TL21 LLC | 7.6% | ||
|
ARK Investment Management LLC
13G/A
Amendment 7
|
8.1% |
5/14/2025
Event 3/31/2025
|
|
| ARK Investment Management LLC | 8.1% | ||
| Catherine D. Wood | 8.1% | ||
|
Red Sky Ventures LLC
13G/A
Amendment 2
|
5.7% |
5/1/2025
Event 3/31/2025
|
|
| Red Sky Ventures LLC | 5.7% | ||
| Kimberly Jo Keywell | 5.7% | ||
| ARK Investment Management LLC 13G/A Amendment 6 | 9.6% |
2/14/2025
Event 12/31/2024
|
|
|
Red Sky Ventures LLC
13G/A
Amendment 1
|
7.6% |
2/12/2025
Event 12/31/2024
|
|
| Red Sky Ventures LLC | 7.6% | ||
| Kimberly Jo Keywell | 7.6% | ||
|
Orin Hirschman
13G/A
Amendment 2
|
6.1% |
2/10/2025
Event 12/31/2024
|
|
| Orin Hirschman | 6.1% | ||
| AIGH Capital Management LLC | 5.4% | ||
| BlackRock, Inc. 13G/A Amendment 6 | 3.5% |
2/5/2025
Event 12/31/2024
|
|
| ARK Investment Management LLC 13G/A Amendment 5 | 10.8% |
1/10/2025
Event 9/30/2024
|
|
|
Merck & Co., Inc.
13G
|
16.5% |
12/23/2024
Event 12/19/2024
|
|
| Merck & Co., Inc. | 16.5% | ||
| Merck Sharp & Dohme LLC | 16.5% |
| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2026 Q3 | 3 | 55.7 k | $907 k |
| 2026 Q2 | 168 | 86.0 M | $1.22 B |
| 2026 Q1 | 147 | 84.6 M | $540 M |
| 2025 Q4 | 136 | 83.0 M | $660 M |
| 2025 Q3 | 114 | 64.7 M | $422 M |
| 2025 Q2 | 110 | 60.6 M | $398 M |
| 2025 Q1 | 109 | 54.8 M | $192 M |
| 2024 Q4 | 112 | 51.6 M | $298 M |
| 2024 Q3 | 89 | 29.3 M | $162 M |
| 2024 Q2 | 73 | 22.1 M | $25.8 M |
| 2024 Q1 | 77 | 22.5 M | $33.5 M |
| 2023 Q4 | 74 | 22.2 M | $46.6 M |
| 2023 Q3 | 65 | 24.8 M | $30.0 M |
| 2023 Q2 | 69 | 26.1 M | $49.0 M |
| 2023 Q1 | 66 | 27.2 M | $75.0 M |
| 2022 Q4 | 84 | 27.9 M | $55.3 M |
| 2022 Q3 | 85 | 28.4 M | $84.0 M |
| 2022 Q2 | 100 | 29.9 M | $106 M |
| 2022 Q1 | 131 | 32.6 M | $266 M |
| 2021 Q4 | 119 | 32.3 M | $458 M |
| 2021 Q3 | 127 | 31.4 M | $604 M |
| 2021 Q2 | 148 | 31.9 M | $808 M |
| 2021 Q1 | 143 | 30.9 M | $763 M |
| 2020 Q4 | 143 | 26.7 M | $980 M |
| 2020 Q3 | 99 | 25.5 M | $555 M |
| 2020 Q2 | 83 | 19.6 M | $252 M |
| 2020 Q1 | 72 | 20.5 M | $166 M |
| 2019 Q4 | 82 | 17.5 M | $191 M |
| 2019 Q3 | 72 | 15.8 M | $231 M |
| 2019 Q2 | 69 | 14.8 M | $403 M |