Security key
12674W109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 18,168,410
- Total 13F value
- $68,859,189
- Share change
- -15,008
- Put/Call ratio
- 21%
- SEC-reported price per share
- $3.79
- Number of holders
- 60
- Value change
- -$10,075,938
- Number of buys
- 34
- Number of sells
- 30
- Shares outstanding
- 216,020,660
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
60
Top holders
10
CABA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
Cabaletta Bio, Inc. SEC filings
Cabaletta Bio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 12674W109
Recent filing periods:
Ownership snapshot
Top reported holders of CABA - Cabaletta Bio, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
5AM Ventures V, L.P.
Disclosed value leader
ADAGE CAPITAL PARTNERS GP...
Comparable rows
0/15
Latest evidence
01 Nov 2021
3/4/5
13F
Highest disclosed value: $36,986,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
ADAGE CAPITAL PARTNERS GP, L.L.C. has the largest disclosed position value at $36.99M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ADAGE CAPITAL PARTNERS GP, L.L.C.'s linked filing trail.
Disclosed position value
Top 5
5AM Ventures V, L.P.
$6.77M
ADAGE CAPITAL PARTNERS GP, L.L.C.
$36.99M
5AM Venture Management, LLC
$28.69M
Cormorant Asset Management, LP
$19.6M
Boxer Capital, LLC
$19.5M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| 5AM Ventures V, L.P. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$6,771,685
333,144 shares
|
— | 01 Nov 2021 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
—
denominator unverified
|
$36,986,000
3,041,645 shares
|
— | 30 Sep 2021 |
| 5AM Venture Management, LLC |
13F
Company
|
—
denominator unverified
|
$28,689,000
2,359,263 shares
|
— | 30 Sep 2021 |
| Cormorant Asset Management, LP |
13F
Company
|
—
denominator unverified
|
$19,597,000
1,611,623 shares
|
— | 30 Sep 2021 |
| Boxer Capital, LLC |
13F
Company
|
—
denominator unverified
|
$19,497,000
1,603,361 shares
|
— | 30 Sep 2021 |
| Ikarian Capital, LLC |
13F
Company
|
—
denominator unverified
|
$14,445,000
1,187,898 shares
|
— | 30 Sep 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
60
Shares
18,168,410
Rows available
60
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
60
Q4 2021 holders
60
Holder diff
0
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend