How many shares of CABA does MILLENNIUM MANAGEMENT LLC own?

As of 2026-Q2, MILLENNIUM MANAGEMENT LLC holds 2.1M shares of CABA (Cabaletta Bio, Inc.).

What is MILLENNIUM MANAGEMENT LLC's CABA position worth?

As of 2026-Q2, MILLENNIUM MANAGEMENT LLC's CABA position is worth $6.4M.

Is MILLENNIUM MANAGEMENT LLC buying or selling CABA?

In 2026-Q2, MILLENNIUM MANAGEMENT LLC decreased their CABA position (-65.0% change in shares).

When did MILLENNIUM MANAGEMENT LLC first buy CABA?

Based on available 13F filings, MILLENNIUM MANAGEMENT LLC first reported a position in CABA in 2019-Q4. They have held the position across 26 quarters.

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MILLENNIUM MANAGEMENT LLC

CABA
26 quarters

Position history for MILLENNIUM MANAGEMENT LLC's holdings in Cabaletta Bio, Inc.

Current Value

$6.4M

Current Shares

2.1M

Total Value Change

+$3.1M

Total Shares Change

+1.8M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	2.1M	-65.0%	$6.4M	0.0%	$3.11	0
2026-Q1	Increased	5.9M	+115.7%	$15.9M	0.0%	$3.25	45
2025-Q4	Increased	2.7M	+298.5%	$6M	0.0%	$2.15	44
2025-Q3	Decreased	686,813	-19.7%	$1.6M	0.0%	$2.38	0
2025-Q2	Increased	855,330	+406.4%	$1.3M	0.0%	$1.57	41
2025-Q1	Decreased	168,899	-67.0%	$233,925	0.0%	$1.55	0
2024-Q4	Decreased	511,613	-68.6%	$1.2M	0.0%	$2.24	0
2024-Q3	Increased	1.6M	+133.3%	$7.7M	0.0%	$4.26	44
2024-Q2	Increased	698,317	+52.0%	$5.2M	0.0%	$7.48	38
2024-Q1	New	459,367	-	$7.8M	0.0%	$17.06	38
2023-Q3	Exited	0	-100.0%	$0	0.0%	$15.22	0
2023-Q2	Decreased	371,070	-35.1%	$4.8M	0.0%	$12.67	0
2023-Q1	Increased	572,119	+62.9%	$4.7M	0.0%	$7.10	39
2022-Q4	Increased	351,125	+52.3%	$3.2M	0.0%	$9.25	37
2022-Q3	Decreased	230,553	-3.2%	$150,000	0.0%	$0.63	0
2022-Q2	Decreased	238,236	-34.0%	$253,000	0.0%	$1.04	0
2022-Q1	Increased	361,001	+154.0%	$733,000	0.0%	$2.06	40
2021-Q4	Increased	142,137	+16.9%	$539,000	0.0%	$3.92	28
2021-Q3	Decreased	121,624	-87.7%	$1.5M	0.0%	$12.05	0
2021-Q2	Increased	990,330	+13.1%	$8.5M	0.0%	$7.94	31
2021-Q1	Increased	875,913	+44.7%	$9.7M	0.0%	$10.53	37
2020-Q4	Increased	605,245	+0.6%	$7.6M	0.0%	$12.25	27
2020-Q3	Decreased	601,830	-4.8%	$6.5M	0.0%	$10.47	0
2020-Q2	Increased	631,904	+60.9%	$7M	0.0%	$11.28	39
2020-Q1	Increased	392,815	+63.7%	$2.9M	0.0%	$7.25	38
2019-Q4	New	239,950	-	$3.4M	0.0%	$13.99	37

Other major holders of CABA: BlackRock Finance, Inc., FRED ALGER MANAGEMENT, LLC, ADAGE CAPITAL PARTNERS GP, L.L.C.

CABA26 quarters

CABA
26 quarters