NEW HAVEN, CT
ARVINAS, INC.ARVN— Latest position per institution from SEC 13F filings
15
Institutional holders
69.07M
Total shares held
932.72M
Estimated value
3.45M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
7.23M
Value
85.74M
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
6.80M
Value
72.05M
Filed
Mar 31, 2026
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
6.73M
Value
128.95M
Filed
Dec 31, 2024
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
6.26M
Value
166.61M
Filed
Jun 30, 2024
LOGOS GLOBAL MANAGEMENT LP
CIK 1792126
Shares
5.58M
Value
47.50M
Filed
Sep 30, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.89M
Value
41.23M
Filed
Mar 31, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
3.64M
Value
38.57M
Filed
Mar 31, 2026
PFIZER INC
CIK 78003
Shares
3.46M
Value
34.92M
Filed
Mar 31, 2026
RTW INVESTMENTS, LP
CIK 1493215
Shares
3.33M
Value
23.41M
Filed
Mar 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.69M
Value
28.51M
Filed
Mar 31, 2026
BELLEVUE GROUP AG
CIK 1674546
Shares
2.39M
Value
45.81M
Filed
Dec 31, 2024
TCG CROSSOVER MANAGEMENT, LLC
CIK 1839948
Shares
2.39M
Value
25.31M
Filed
Mar 31, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
2.34M
Value
57.63M
Filed
Sep 30, 2024
ARMISTICE CAPITAL, LLC
CIK 1601086
Shares
1.98M
Value
20.97M
Filed
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
1.83M
Value
19.42M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.83M
Value
19.38M
Filed
Mar 31, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
1.80M
Value
12.64M
Filed
Mar 31, 2025
ARROWMARK COLORADO HOLDINGS LLC
CIK 1483859
Shares
1.78M
Value
34.06M
Filed
Dec 31, 2024
NEW LEAF VENTURE PARTNERS, L.L.C.
CIK 1631614
Shares
1.59M
Value
13.51M
Filed
Sep 30, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.56M
Value
16.51M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 7.23M | 85.74M | Dec 31, 2025 |
| 2 | BLACKROCK, INC. | 2012383 | 6.80M | 72.05M | Mar 31, 2026 |
| 3 | ECOR1 CAPITAL, LLC | 1587114 | 6.73M | 128.95M | Dec 31, 2024 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 6.26M | 166.61M | Jun 30, 2024 |
| 5 | LOGOS GLOBAL MANAGEMENT LP | 1792126 | 5.58M | 47.50M | Sep 30, 2025 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.89M | 41.23M | Mar 31, 2026 |
| 7 | D. E. SHAW & CO., INC. | 1009207 | 3.64M | 38.57M | Mar 31, 2026 |
| 8 | PFIZER INC | 78003 | 3.46M | 34.92M | Mar 31, 2026 |
| 9 | RTW INVESTMENTS, LP | 1493215 | 3.33M | 23.41M | Mar 31, 2025 |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.69M | 28.51M | Mar 31, 2026 |
| 11 | BELLEVUE GROUP AG | 1674546 | 2.39M | 45.81M | Dec 31, 2024 |
| 12 | TCG CROSSOVER MANAGEMENT, LLC | 1839948 | 2.39M | 25.31M | Mar 31, 2026 |
| 13 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 2.34M | 57.63M | Sep 30, 2024 |
| 14 | ARMISTICE CAPITAL, LLC | 1601086 | 1.98M | 20.97M | Mar 31, 2026 |
| 15 | TWO SIGMA INVESTMENTS, LP | 1179392 | 1.83M | 19.42M | Mar 31, 2026 |
| 16 | STATE STREET CORP | 93751 | 1.83M | 19.38M | Mar 31, 2026 |
| 17 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 1.80M | 12.64M | Mar 31, 2025 |
| 18 | ARROWMARK COLORADO HOLDINGS LLC | 1483859 | 1.78M | 34.06M | Dec 31, 2024 |
| 19 | NEW LEAF VENTURE PARTNERS, L.L.C. | 1631614 | 1.59M | 13.51M | Sep 30, 2025 |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.56M | 16.51M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.