Cabaletta Bio, Inc.

CABA

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001759138

SEC filings (opens in a new tab)

No open-market purchases or sales by Cabaletta Bio, Inc. insiders were filed in the last 90 days; 139 institutions reported holding it in 13F filings for Q2 2026, worth $490.4M in total; no superinvestor holds it.

Q1 2022 vs. Q4 2021

How the institutions holding Cabaletta Bio, Inc. changed between Q4 2021 and Q1 2022.

All holders in Q1 2022 All holders in Q4 2021

13F holders of CABA: Q4 2021 compared with Q1 2022
Measure	Q4 2021	Q1 2022	Change
Holders	66	62	−4
Shares	18.2M	18.2M	+14.7K (+0.1%)
Value	$68.9M	$36.9M	−$32.0M (−46.4%)

New holders (8)

Institutions that held Cabaletta Bio, Inc. at the end of Q1 2022 but not at the end of Q4 2021.

Institutions new to CABA in Q1 2022
Institution	Shares	Value	% of portfolio
Renaissance Technologies LLC	199,400	$405.0K	0.00%
Acadian Asset Management LLC	147,480	$298.0K	0.00%
Ci Investments Inc.	129,010	$262.0K	0.00%
Bridgeway Capital Management, LLC	122,330	$248.0K	0.00%
Barclays PLC	15,719	$32.0K	0.00%
Powell Investment Advisors, LLC	15,000	$30.0K	0.02%
Federated Hermes, Inc.	149	$1.00K	0.00%
Prospera Financial Services Inc	100	$0	0.00%

Sold out (12)

Institutions that held Cabaletta Bio, Inc. at the end of Q4 2021 and filed for Q1 2022 without it.

Institutions that sold out of CABA in Q1 2022
Institution	Shares, Q4 2021	Value, Q4 2021
Great Point Partners LLC	472,433	$1.79M
Nantahala Capital Management, LLC	341,538	$1.29M
Altrinsic Global Advisors LLC	140,000	$531.0K
Ghost Tree Capital, LLC	135,000	$512.0K
683 Capital Management, LLC	36,118	$137.0K
Walleye Trading LLC	22,905	$87.0K
Cubist Systematic Strategies, LLC	22,880	$87.0K
Qube Research & Technologies Ltd	14,497	$55.0K
SG Americas Securities, LLC	11,186	$42.0K
Alpine Global Management, LLC	10,984	$42.0K
ExodusPoint Capital Management, LP	10,414	$39.0K
Group One Trading, L.P.	200	$1.00K