Cabaletta Bio Ownership | Who Owns Cabaletta Bio?
Cabaletta Bio Ownership Summary
Cabaletta Bio is owned by 26.68% institutional investors, 1.57% insiders, and 71.74% retail investors. 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 | 26.68% | 1.57% | 71.74% |
| Sector | Healthcare Stocks | 42.57% | 10.85% | 46.59% |
| Industry | Biotech Stocks | 45.27% | 10.78% | 43.95% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Bain capital life sciences investors | 9.68M | 15.64% | $22.64M |
| Adage capital partners gp | 8.83M | 14.27% | $20.66M |
| Jennison associates | 8.50M | 13.73% | $19.88M |
| T. rowe price investment management | 8.36M | 13.51% | $19.57M |
| Blackrock | 4.76M | 9.65% | $35.58M |
| Cormorant asset management, lp | 5.00M | 8.08% | $11.70M |
| Vanguard group | 4.19M | 6.77% | $9.81M |
| Woodline partners lp | 2.14M | 3.45% | $5.00M |
| Heights capital management | 2.08M | 3.37% | $4.88M |
| Blackrock funding, inc. /de | 1.62M | 2.62% | $3.79M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Superstring capital management lp | 1.54M | 3.56% | $3.61M |
| Bain capital life sciences investors | 9.68M | 1.50% | $22.64M |
| Heights capital management | 2.08M | 1.34% | $4.88M |
| Cormorant asset management, lp | 5.00M | 0.81% | $11.70M |
| Opaleye management | 808.88K | 0.27% | $1.89M |
| Almitas capital | 387.49K | 0.21% | $906.73K |
| Burkehill global management, lp | 700.00K | 0.09% | $1.64M |
| Atika capital management | 1.00K | 0.07% | $748.00K |
| Xtx topco | 284.30K | 0.03% | $665.26K |
| Adage capital partners gp | 8.83M | 0.03% | $20.66M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jennison associates | 8.50M | 0.01% | 2.48M |
| T. rowe price investment management | 8.36M | 0.01% | 1.57M |
| Renaissance | 1.34M | 0.00% | 1.21M |
| Marshall wace, llp | 1.33M | 0.00% | 1.14M |
| Woodline partners lp | 2.14M | 0.02% | 916.88K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Alyeska investment group | 1.30M | 0.01% | -3.50M |
| Alkeon capital management | - | - | -2.62M |
| Jefferies financial group | 47.50K | 0.00% | -1.95M |
| Anson funds management lp | - | - | -1.82M |
| Vr adviser | - | - | -1.56M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Opaleye management | 808.88K | 0.27% | 808.88K | $1.89M |
| Qube research | 89.16K | 0.00% | 89.16K | $208.63K |
| Quadrature capital | 42.91K | 0.00% | 42.91K | $100.41K |
| Susquehanna portfolio strategies | 33.94K | 0.00% | 33.94K | $79.41K |
| Nomura | 23.06K | 0.00% | 23.06K | $172.47K |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -7.00 |
| Gamma investing | -12.00 |
| True wealth design | -17.00 |
| Quantbot technologies lp | -19.00 |
| Eversource wealth advisors | -41.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 22 | -75.56% | 16,510,649 | -77.31% | 26 | 0.19% | 12 | -76.47% | 7 | -73.08% |
| 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% |
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 21, 2026 | Chang David J. | Chief Medical Officer | Buy | $19.89K |
| Jan 21, 2026 | Binder Gwendolyn | President, Science & Tech. | Buy | $24.76K |
| Jan 21, 2026 | Tomasello Shawn | - | Buy | $50.32K |
| Jan 21, 2026 | Gavel Steve | Chief Commercial Officer | Buy | $50.22K |
| Jan 21, 2026 | Bollard Catherine | - | Buy | $9.98K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | 8 | - |
| 2025 Q4 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q2 | - | - |
CABA Ownership FAQ
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