DOSSIER · 13F Holders · Q2 2026
CABA

CABALETTA BIO INC

145 institutions still hold CABALETTA BIO INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 12674W109·145 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$367M
visible holders
Holders
145
filers reporting
Concentration
16.96%
JENNISON ASSOCIATES LLC #1
top holder share
AI Holders Summary · Q2 2026

145 institutions reported CABA in Q2 2026. JENNISON ASSOCIATES LLC leads at 17.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
JENNISON ASSOCIATES LLC
CIK 0000053417
$62M20.0M0.04%Q2 2026
02
Bain Capital Life Sciences Investors, LLC
CIK 0001703031
$54M17.2M3.19%Q2 2026
03
BlackRock, Inc.
CIK 0002012383
$33M10.8M0.00%Q2 2026
04
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$30M11.1M0.02%Q1 2026
05
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$29M9.2M0.04%Q2 2026
06
STATE STREET CORP
CIK 0000093751
$24M7.8M0.00%Q2 2026
07
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$22M7.2M0.00%Q2 2026
08
Cormorant Asset Management, LP
CIK 0001583977
$16M5.0M0.80%Q2 2026
09
Woodline Partners LP
CIK 0001784547
$13M4.2M0.04%Q2 2026
10
NORGES BANK
CIK 0001374170· Sovereign
$13M4.1M0.00%Q2 2026
11
Opaleye Management Inc.
CIK 0001595855
$12M3.9M1.09%Q2 2026
12
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$11M3.5M0.00%Q2 2026
13
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$9M2.9M0.00%Q2 2026
14
FRANKLIN RESOURCES INC
CIK 0000038777
$8M2.4M0.00%Q2 2026
15
GOLDMAN SACHS GROUP INC
CIK 0000886982
$7M2.2M0.00%Q2 2026
16
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$6M2.1M0.00%Q2 2026
17
MARSHALL WACE, LLP
CIK 0001318757
$5M1.6M0.00%Q2 2026
18
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$5M1.5M0.01%Q2 2026
19
UBS Group AG
CIK 0001610520
$5M1.5M0.00%Q2 2026
20
Qube Research & Technologies Ltd
CIK 0001729829
$4M1.4M0.00%Q2 2026
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Insiders at CABALETTA BIO INC
Henriques Richard C JrSimon MarkTomasello ShawnBrun Scott C.Bollard CatherineMarda AnupNichtberger StevenChang David J.