Cabaletta Bio, Inc.

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CABA·12674W109·US·Common Stock·Healthcare - Biotechnology-13D/G

CABA (Cabaletta Bio, Inc.) is held by 90 institutional investors as of Q2 2026. Largest holders: JENNISON ASSOCIATES LLC ($62.3M), BlackRock, Inc. ($33.4M), ADAGE CAPITAL PARTNERS GP, L.L.C. ($28.5M). Net institutional sentiment: Bullish.

90

Holders

(8 Elite)

$304.3M

Total Value

74% (97)

Consensus

72 buying - 25 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)37

Insider (Form 4)81

Activist (13D/13G)42

Congressional (STOCK Act)67

Holder Quality

28

★★★★★

Elite

66

★★★★

Strong

36

★★★

Solid

74

★★

Below

51

★

Weak

Held by 90 funds

8 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Jan 21, 2026 · Activists Aug 14, 2026 · Congress none

ActivistBLBain Capital Life Sciences Opportunities III, LP10.0%Aug 14, 2026

ActivistTRT. Rowe Price Investment Management, Inc.11.6%Aug 14, 2026

ActivistCACormorant Asset Management, LP6.0%Aug 14, 2026

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Top Holders

Top Holders (90)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
JENNISON ASSOCIATES LLC	Increased	20M(+123.3%)	$62.3M	0.0%	-13.72%	48
BlackRock, Inc.	Increased	10.8M(+353.2%)	$33.4M	0.0%	+11.16%	47
AGADAGE CAPITAL PARTNERS GP, L.L.C.	Increased	9.2M(+3.9%)	$28.5M	0.0%	-42.84%	30
STATE STREET CORP	Increased	7.8M(+1568.0%)	$24.4M	0.0%	-8.78%	46
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	7.2M(+79.4%)	$22.5M	0.0%	+1.94%	44
Woodline Partners LP	Increased	4.2M(+235.9%)	$13.1M	0.0%	+17.96%	45
CITADEL ADVISORS LLC	New	3.5M	$11M	0.0%	+4.50%	38
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.5M(+205.3%)	$10.8M	0.0%	-23.83%	45
FRANKLIN RESOURCES INC	New	2.4M	$7.5M	0.0%	+4.50%	38
GOLDMAN SACHS GROUP INC	Increased	2.2M(+182.4%)	$6.9M	0.0%	+10.12%	44
MILLENNIUM MANAGEMENT LLC	Decreased	2.1M(-65.0%)	$6.4M	0.0%	+14.92%	0
MWMARSHALL WACE, LLP	Decreased	1.6M(-28.2%)	$4.9M	0.0%	+10.67%	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	1.5M(-24.6%)	$4.8M	0.0%	+28.34%	0
UBS Group AG	Increased	1.5M(+142.6%)	$4.6M	0.0%	+5.59%	43
Qube Research & Technologies Ltd	Decreased	1.4M(-26.3%)	$4.4M	0.0%	+5.78%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	1.4M	$4.4M	0.0%	+4.50%	37
TWO SIGMA INVESTMENTS, LP	Decreased	1.4M(-43.5%)	$4.4M	0.0%	+16.85%	0
MORGAN STANLEY	Decreased	1.3M(-4.5%)	$4.2M	0.0%	-7.76%	0
VFVANGUARD FIDUCIARY TRUST CO	Increased	1.1M(+90.9%)	$3.4M	0.0%	+2.10%	42
NORTHERN TRUST CORP	Increased	1M(+322.4%)	$3.1M	0.0%	-20.14%	43

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer