Cabaletta Bio Ownership | Who Owns Cabaletta Bio?

Cabaletta Bio Ownership Summary

Cabaletta Bio is owned by 73.27% institutional investors, 2.98% insiders, and 23.75% retail investors. Blackrock is the largest institutional shareholder, holding 9.65% of CABA shares. T. Rowe Price Small-Cap Value is the top mutual fund, with 3.81% of its assets in Cabaletta Bio shares.

CABA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cabaletta Bio	73.27%	2.98%	23.75%
Sector	Healthcare Stocks	279.19%	10.62%	-189.81%
Industry	Biotech Stocks	63.96%	10.74%	25.30%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	4.76M	9.65%	$35.58M
T. rowe price investment management	4.07M	8.32%	$9.25M
Adage capital partners gp	3.63M	7.43%	$8.25M
Blackrock funding, inc. /de	3.40M	6.94%	$7.71M
Vanguard group	2.87M	5.86%	$6.51M
Bain capital life sciences investors	2.76M	5.64%	$6.27M
Jennison associates	2.51M	5.13%	$5.70M
Fred alger management	2.32M	4.73%	$5.26M
Geode capital management	1.11M	2.27%	$2.52M
State street	937.98K	1.92%	$2.13M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Superstring capital management lp	822.29K	1.62%	$1.87M
Bain capital life sciences investors	2.76M	0.74%	$6.27M
Healthinvest partners ab	247.45K	0.26%	$554.30K
Integral health asset management	500.00K	0.10%	$1.14M
Atika capital management	1.00K	0.07%	$748.00K
Fred alger management	2.32M	0.03%	$5.26M
Tcg crossover management	86.80K	0.02%	$197.03K
Adage capital partners gp	3.63M	0.01%	$8.25M
T. rowe price investment management	4.07M	0.01%	$9.25M
Cantor fitzgerald, l. p.	100.00K	0.00%	$224.00K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	4.76M	0.00%	699.11K
Superstring capital management lp	822.29K	1.62%	690.50K
Adage capital partners gp	3.63M	0.01%	597.83K
Two sigma advisers, lp	831.90K	0.00%	550.70K
Ubs group	434.56K	0.00%	411.78K

Top Sellers

Holder	Shares	% Assets	Change
Jennison associates	2.51M	0.00%	-3.12M
Alkeon capital management	-	-	-2.62M
Fred alger management	2.32M	0.03%	-1.80M
Vr adviser	-	-	-1.56M
Sofinnova investments	-	-	-1.53M

New Positions

Holder	Shares	% Assets	Change	Value
Renaissance	230.16K	0.00%	230.16K	$522.47K
Cantor fitzgerald, l. p.	100.00K	0.00%	100.00K	$224.00K
Thrivent financial for lutherans	95.33K	0.00%	95.33K	$216.00K
Bridgeway capital management	87.67K	0.00%	87.67K	$199.02K
Bnp paribas arbitrage, snc	51.95K	0.00%	51.95K	$117.93K

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-7.00
Gamma investing	-12.00
Quantbot technologies lp	-19.00
Rothschild investment	-25.00
Bogart wealth	-50.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2024	167	22.79%	51,041,400	5.15%	103	0.74%	89	5.95%	48	54.84%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
T. Rowe Price Small-Cap Value	1.93M	3.81%	-415.00
Vanguard US Total Market Shares ETF	1.40M	2.76%	-
Vanguard Total Stock Mkt Idx Inv	1.40M	2.76%	-
Jennison Health Sciences Equity	1.38M	2.72%	-
PGIM Jennison Health Sciences Z	1.38M	2.72%	-
Jennison SMid Cap Core Equity	1.29M	2.63%	-
PGIM Jennison Small Company A	1.29M	2.63%	-
iShares Russell 2000 ETF	1.20M	2.36%	585.00
Alger Small Cap Focus Composite	1.08M	2.12%	-561.71K
Alger Small Cap Focus I	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 Q2	-	-
2025 Q1	-	-
2024 Q2	-	-
2024 Q1	-	2
2023 Q4	-	6

CABA Ownership FAQ

Who Owns Cabaletta Bio?

Cabaletta Bio shareholders are primarily institutional investors at 73.27%, followed by 2.98% insiders and 23.75% retail investors. The average institutional ownership in Cabaletta Bio's industry, Biotech Stocks , is 63.96%, which Cabaletta Bio exceeds.

Who owns the most shares of Cabaletta Bio?

Cabaletta Bio’s largest shareholders are Blackrock (4.76M shares, 9.65%), T. rowe price investment management (4.07M shares, 8.32%), and Adage capital partners gp (3.63M shares, 7.43%). Together, they hold 25.40% 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 1.62% of its assets in 822.29K Cabaletta Bio shares, valued at 1.87M$.

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

T. Rowe Price Small-Cap Value is the top mutual fund holder of Cabaletta Bio shares, with 3.81% of its total shares outstanding invested in 1.93M Cabaletta Bio shares.

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