WALTHAM, MA
APELLIS PHARMACEUTICALS, INC.APLS— Latest position per institution from SEC 13F filings
15
Institutional holders
114.64M
Total shares held
4.25B
Estimated value
5.73M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
13.54M
Value
544.59M
Filed
Mar 31, 2026
AVORO CAPITAL ADVISORS LLC
CIK 1633313
Shares
12.22M
Value
491.70M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
10.67M
Value
268.15M
Filed
Dec 31, 2025
MORGAN STANLEY
CIK 895421
Shares
10.04M
Value
404.01M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
6.84M
Value
275.37M
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
6.21M
Value
249.69M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.80M
Value
222.31M
Filed
Jun 30, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
5.40M
Value
217.43M
Filed
Mar 31, 2026
PENTWATER CAPITAL MANAGEMENT LP
CIK 1425851
Shares
5.25M
Value
211.21M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.77M
Value
191.85M
Filed
Mar 31, 2026
DEEP TRACK CAPITAL, LP
CIK 1856083
Shares
4.53M
Value
182.34M
Filed
Mar 31, 2026
POINT72 ASSET MANAGEMENT, L.P.
CIK 1603466
Shares
4.18M
Value
168.32M
Filed
Mar 31, 2026
POLAR CAPITAL HOLDINGS PLC
CIK 1837309
Shares
3.71M
Value
93.11M
Filed
Dec 31, 2025
RTW INVESTMENTS, LP
CIK 1493215
Shares
3.69M
Value
148.25M
Filed
Mar 31, 2026
HBK INVESTMENTS L P
CIK 1011443
Shares
3.55M
Value
142.82M
Filed
Mar 31, 2026
SUVRETTA CAPITAL MANAGEMENT, LLC
CIK 1569064
Shares
3.52M
Value
141.55M
Filed
Mar 31, 2026
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
3.45M
Value
78.01M
Filed
Sep 30, 2025
SIREN, L.L.C.
CIK 2005245
Shares
2.58M
Value
64.77M
Filed
Dec 31, 2025
ORBIMED ADVISORS LLC
CIK 1055951
Shares
2.43M
Value
61.04M
Filed
Dec 31, 2025
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
2.27M
Value
91.14M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 13.54M | 544.59M | Mar 31, 2026 |
| 2 | AVORO CAPITAL ADVISORS LLC | 1633313 | 12.22M | 491.70M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 10.67M | 268.15M | Dec 31, 2025 |
| 4 | MORGAN STANLEY | 895421 | 10.04M | 404.01M | Mar 31, 2026 |
| 5 | STATE STREET CORP | 93751 | 6.84M | 275.37M | Mar 31, 2026 |
| 6 | UBS GROUP AG | 1610520 | 6.21M | 249.69M | Mar 31, 2026 |
| 7 | BLACKROCK FINANCE, INC. | 1364742 | 5.80M | 222.31M | Jun 30, 2024 |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 5.40M | 217.43M | Mar 31, 2026 |
| 9 | PENTWATER CAPITAL MANAGEMENT LP | 1425851 | 5.25M | 211.21M | Mar 31, 2026 |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.77M | 191.85M | Mar 31, 2026 |
| 11 | DEEP TRACK CAPITAL, LP | 1856083 | 4.53M | 182.34M | Mar 31, 2026 |
| 12 | POINT72 ASSET MANAGEMENT, L.P. | 1603466 | 4.18M | 168.32M | Mar 31, 2026 |
| 13 | POLAR CAPITAL HOLDINGS PLC | 1837309 | 3.71M | 93.11M | Dec 31, 2025 |
| 14 | RTW INVESTMENTS, LP | 1493215 | 3.69M | 148.25M | Mar 31, 2026 |
| 15 | HBK INVESTMENTS L P | 1011443 | 3.55M | 142.82M | Mar 31, 2026 |
| 16 | SUVRETTA CAPITAL MANAGEMENT, LLC | 1569064 | 3.52M | 141.55M | Mar 31, 2026 |
| 17 | ECOR1 CAPITAL, LLC | 1587114 | 3.45M | 78.01M | Sep 30, 2025 |
| 18 | SIREN, L.L.C. | 2005245 | 2.58M | 64.77M | Dec 31, 2025 |
| 19 | ORBIMED ADVISORS LLC | 1055951 | 2.43M | 61.04M | Dec 31, 2025 |
| 20 | MILLENNIUM MANAGEMENT LLC | 1273087 | 2.27M | 91.14M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.