Cabaletta Bio Ownership | Who Owns Cabaletta Bio?

Cabaletta Bio Ownership Summary

Cabaletta Bio is owned by 117.46% institutional investors, 1.65% insiders. Bain capital life sciences investors is the largest institutional shareholder, holding 15.64% of CABA shares. Jennison Health Sciences Equity is the top mutual fund, with 3.91% of its assets in Cabaletta Bio shares.

CABA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cabaletta Bio	117.46%	1.65%	-19.12%
Sector	Healthcare Stocks	488.30%	11.08%	-399.38%
Industry	Biotech Stocks	307.10%	11.11%	-218.21%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Bain capital life sciences investors	9.68M	15.64%	$14.71M
Adage capital partners gp	8.83M	14.27%	$13.42M
T. rowe price investment management	6.79M	10.98%	$10.33M
Jennison associates	6.02M	9.73%	$9.15M
Blackrock	4.76M	9.65%	$35.58M
Cormorant asset management, lp	5.00M	8.08%	$7.60M
Alyeska investment group	4.80M	7.76%	$7.30M
Vanguard group	2.87M	5.86%	$6.51M
Heights capital management	3.14M	5.08%	$4.78M
Jefferies financial group	2.00M	3.23%	$3.04M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Superstring capital management lp	1.06M	1.91%	$1.61M
Bain capital life sciences investors	9.68M	1.84%	$14.71M
Heights capital management	3.14M	1.28%	$4.78M
Cormorant asset management, lp	5.00M	0.57%	$7.60M
Blue owl capital lp	1.13M	0.55%	$1.71M
Anson funds management lp	1.82M	0.40%	$2.77M
Almitas capital	367.49K	0.14%	$558.59K
Atika capital management	1.00K	0.07%	$748.00K
Alyeska investment group	4.80M	0.03%	$7.30M
Jefferies financial group	2.00M	0.03%	$3.04M

Top Buyers

Holder	Shares	% Assets	Change
Bain capital life sciences investors	9.68M	1.84%	6.92M
Adage capital partners gp	8.83M	0.02%	5.20M
Cormorant asset management, lp	5.00M	0.57%	5.00M
Alyeska investment group	4.80M	0.03%	4.80M
Jennison associates	6.02M	0.01%	3.59M

Top Sellers

Holder	Shares	% Assets	Change
Alkeon capital management	-	-	-2.62M
Blackrock funding, inc. /de	970.60K	-	-2.48M
Vr adviser	-	-	-1.56M
Sofinnova investments	-	-	-1.53M
Stempoint capital lp	-	-	-1.28M

New Positions

Holder	Shares	% Assets	Change	Value
Cormorant asset management, lp	5.00M	0.57%	5.00M	$7.60M
Alyeska investment group	4.80M	0.03%	4.80M	$7.30M
Heights capital management	3.14M	1.28%	3.14M	$4.78M
Jefferies financial group	2.00M	0.03%	2.00M	$3.04M
Anson funds management lp	1.82M	0.40%	1.82M	$2.77M

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-7.00
Gamma investing	-12.00
Quantbot technologies lp	-19.00
Bogart wealth	-50.00
Rothschild investment	-70.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	89	-6.32%	72,682,277	102.25%	117	2.23%	50	19.05%	27	-20.59%
Mar 31, 2025	96	-12.73%	36,286,368	-5.67%	73	1.19%	42	-35.38%	35	45.83%
Dec 31, 2024	36	-70.25%	10,990,024	-77.13%	22	0.23%	22	-66.15%	7	-78.79%
Sep 30, 2024	120	-15.49%	48,049,085	-5.40%	98	0.93%	65	-7.14%	33	-32.65%
Jun 30, 2024	142	-14.97%	50,793,811	-0.49%	103	0.96%	70	-21.35%	49	2.08%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Jennison Health Sciences Equity	3.52M	3.91%	2.14M
PGIM Jennison Health Sciences Z	3.52M	3.85%	-
T. Rowe Price Small-Cap Value	3.31M	3.62%	-251.61K
Vanguard Total Stock Mkt Idx Inv	2.56M	2.80%	-56.45K
Vanguard US Total Market Shares ETF	1.40M	2.76%	-
Jennison SMid Cap Core Equity	1.29M	2.63%	-
PGIM Jennison Small Company A	1.29M	2.63%	-
T. Rowe Price U.S. SC Value Eq Tr-D	2.10M	2.33%	1.04M
iShares Russell 2000 ETF	1.17M	2.31%	-
Alger Small Cap Focus Composite	1.08M	2.12%	-561.71K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jan 19, 2024	Binder Gwendolyn	See Remarks	Sell	$14.23K
Jan 19, 2024	Binder Gwendolyn	See Remarks	Sell	$201.21K
Dec 19, 2023	Binder Gwendolyn	See Remarks	Sell	$171.20K
Dec 19, 2023	Binder Gwendolyn	See Remarks	Sell	$69.59K
Nov 20, 2023	Binder Gwendolyn	See Remarks	Sell	$61.61K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	-
2025 Q2	-	-
2025 Q1	-	-
2024 Q2	-	-
2024 Q1	-	2

CABA Ownership FAQ

Who Owns Cabaletta Bio?

Cabaletta Bio shareholders are primarily institutional investors at 117.46%, followed by 1.65% insiders and -19.11% retail investors. The average institutional ownership in Cabaletta Bio's industry, Biotech Stocks , is 307.10%, which Cabaletta Bio falls below.

Who owns the most shares of Cabaletta Bio?

Cabaletta Bio’s largest shareholders are Bain capital life sciences investors (9.68M shares, 15.64%), Adage capital partners gp (8.83M shares, 14.27%), and T. rowe price investment management (6.79M shares, 10.98%). Together, they hold 40.89% of Cabaletta Bio’s total shares outstanding.

Does Blackrock own Cabaletta Bio?

Yes, BlackRock owns 9.65% of Cabaletta Bio, totaling 4.76M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 35.58M$. In the last quarter, BlackRock increased its holdings by 699.11K shares, a 17.23% change.

Who is Cabaletta Bio’s biggest shareholder by percentage of total assets invested?

Superstring capital management lp is Cabaletta Bio’s biggest shareholder by percentage of total assets invested, with 1.91% of its assets in 1.06M Cabaletta Bio shares, valued at 1.61M$.

Who is the top mutual fund holder of Cabaletta Bio shares?

Jennison Health Sciences Equity is the top mutual fund holder of Cabaletta Bio shares, with 3.91% of its total shares outstanding invested in 3.52M Cabaletta Bio shares.

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