Security key
12674W109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 16,803,742
- Total 13F value
- $17,812,960
- Share change
- -1,380,758
- SEC-reported price per share
- $1.06
- Number of holders
- 48
- Value change
- -$3,030,205
- Number of buys
- 13
- Number of sells
- 30
- Shares outstanding
- 163,302,815
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2022
Institutions
48
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 Mar 2022
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%
SAMLYN CAPITAL, LLC
1.1%
CITADEL ADVISORS LLC
0.9%
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%
|
$5,160,000
2,541,645 shares
|
— | 31 Mar 2022 |
| 5AM Venture Management, LLC |
13F
Company
|
1.3%
|
$4,190,000
2,064,263 shares
|
— | 31 Mar 2022 |
| SAMLYN CAPITAL, LLC |
13F
Company
|
1.1%
|
$3,589,000
1,768,083 shares
|
— | 31 Mar 2022 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.9%
|
$2,994,000
1,475,100 shares
|
— | 31 Mar 2022 |
| Cormorant Asset Management, LP |
13F
Company
|
0.71%
|
$2,343,000
1,154,424 shares
|
— | 31 Mar 2022 |
| VANGUARD GROUP INC |
13F
Company
|
0.64%
|
$2,135,000
1,051,838 shares
|
— | 31 Mar 2022 |
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 Q2 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
48
Shares
16,803,742
Rows available
48
| 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 Q2 2022 vs Q1 2022 Across Filers
Q1 2022 holders
56
Q2 2022 holders
48
Holder diff
-8
| Investor | Q1 2022 Shares | Q2 2022 Shares | Share Diff | Share Chg % | Q1 2022 value | Q2 2022 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend