Security key
12674W109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 18,183,343
- Total 13F value
- $36,877,990
- Share change
- +14,433
- Put/Call ratio
- 3%
- SEC-reported price per share
- $2.03
- Number of holders
- 56
- Value change
- -$1,968,981
- Number of buys
- 24
- Number of sells
- 28
- Shares outstanding
- 163,302,815
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
Q1 2022
Institutions
56
Top holders
10
CABA full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 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
ADAGE CAPITAL PARTNERS GP...
Disclosed value leader
ADAGE CAPITAL PARTNERS GP...
Comparable rows
15/15
Latest evidence
31 Dec 2021
13F
Lead comparable stake: 1.6%
Showing 1-6 of 15 holder rows.
Quick read
ADAGE CAPITAL PARTNERS GP, L.L.C. leads the comparable SEC ownership view at 1.6%.
15 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.
Comparable ownership
Top 5
ADAGE CAPITAL PARTNERS GP, L.L.C.
1.6%
5AM Venture Management, LLC
1.3%
CITADEL ADVISORS LLC
0.92%
SAMLYN CAPITAL, LLC
0.85%
Cormorant Asset Management, LP
0.71%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
1.6%
|
$9,633,000
2,541,645 shares
|
— | 31 Dec 2021 |
| 5AM Venture Management, LLC |
13F
Company
|
1.3%
|
$7,824,000
2,064,263 shares
|
— | 31 Dec 2021 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.92%
|
$5,683,000
1,499,623 shares
|
— | 31 Dec 2021 |
| SAMLYN CAPITAL, LLC |
13F
Company
|
0.85%
|
$5,243,000
1,383,381 shares
|
— | 31 Dec 2021 |
| Cormorant Asset Management, LP |
13F
Company
|
0.71%
|
$4,375,000
1,154,424 shares
|
— | 31 Dec 2021 |
| Ikarian Capital, LLC |
13F
Company
|
0.59%
|
$3,678,000
970,398 shares
|
— | 31 Dec 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 Q1 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
56
Shares
18,183,343
Rows available
56
| 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 Q1 2022 vs Q1 2022 Across Filers
Q1 2022 holders
56
Q1 2022 holders
56
Holder diff
0
| Investor | Q1 2022 Shares | Q1 2022 Shares | Share Diff | Share Chg % | Q1 2022 value | Q1 2022 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend