PHILADELPHIA, PA
CABALETTA BIO, INC.CABA— Latest position per institution from SEC 13F filings
15
Institutional holders
139.68M
Total shares held
390.20M
Estimated value
6.98M
Avg. position size
JENNISON ASSOCIATES LLC
CIK 53417
Shares
20.03M
Value
62.30M
Filed
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
18.87M
Value
58.69K
Filed
Jun 30, 2026
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
17.24M
Value
53.62M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
10.75M
Value
33.45M
Filed
Jun 30, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
9.17M
Value
28.53M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
7.84M
Value
24.38M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
7.23M
Value
22.48M
Filed
Jun 30, 2026
CORMORANT ASSET MANAGEMENT, LP
CIK 1583977
Shares
5M
Value
15.55M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.76M
Value
35.58M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
4.42M
Value
9.68M
Filed
Dec 31, 2025
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
4.42M
Value
13.74K
Filed
Jun 30, 2026
WOODLINE PARTNERS LP
CIK 1784547
Shares
4.20M
Value
13.06M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
4.13M
Value
12.85M
Filed
Jun 30, 2026
NORGES BANK
CIK 1374170
Shares
4.11M
Value
12.79M
Filed
Jun 30, 2026
OPALEYE MANAGEMENT INC.
CIK 1595855
Shares
3.86M
Value
12.02M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.46M
Value
10.76M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
2.93M
Value
9.11M
Filed
Jun 30, 2026
ALKEON CAPITAL MANAGEMENT LLC
CIK 1230239
Shares
2.62M
Value
19.58M
Filed
Jun 30, 2024
FRANKLIN TEMPLETON INC
CIK 38777
Shares
2.41M
Value
7.51M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
2.21M
Value
6.88M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | JENNISON ASSOCIATES LLC | 53417 | 20.03M | 62.30M | Jun 30, 2026 |
| 2 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 18.87M | 58.69K | Jun 30, 2026 |
| 3 | BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 1703031 | 17.24M | 53.62M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 10.75M | 33.45M | Jun 30, 2026 |
| 5 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 9.17M | 28.53M | Jun 30, 2026 |
| 6 | STATE STREET CORP | 93751 | 7.84M | 24.38M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 7.23M | 22.48M | Jun 30, 2026 |
| 8 | CORMORANT ASSET MANAGEMENT, LP | 1583977 | 5M | 15.55M | Jun 30, 2026 |
| 9 | BLACKROCK FINANCE, INC. | 1364742 | 4.76M | 35.58M | Jun 30, 2024 |
| 10 | VANGUARD GROUP INC | 102909 | 4.42M | 9.68M | Dec 31, 2025 |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 4.42M | 13.74K | Jun 30, 2026 |
| 12 | WOODLINE PARTNERS LP | 1784547 | 4.20M | 13.06M | Jun 30, 2026 |
| 13 | CITADEL ADVISORS LLC | 1423053 | 4.13M | 12.85M | Jun 30, 2026 |
| 14 | NORGES BANK | 1374170 | 4.11M | 12.79M | Jun 30, 2026 |
| 15 | OPALEYE MANAGEMENT INC. | 1595855 | 3.86M | 12.02M | Jun 30, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.46M | 10.76M | Jun 30, 2026 |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 2.93M | 9.11M | Jun 30, 2026 |
| 18 | ALKEON CAPITAL MANAGEMENT LLC | 1230239 | 2.62M | 19.58M | Jun 30, 2024 |
| 19 | FRANKLIN TEMPLETON INC | 38777 | 2.41M | 7.51M | Jun 30, 2026 |
| 20 | GOLDMAN SACHS GROUP INC | 886982 | 2.21M | 6.88M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.