Security key
12674W109
Cabaletta Bio, Inc. - Common Stock, $0.00001 par value per share (CABA)
CUSIP: 12674W109
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Common Stock, $0.00001 par value per share
- Total 13F shares
- 24,651,946
- Total 13F value
- $203,869,260
- Share change
- +4,773,935
- Put/Call ratio
- 21%
- SEC-reported price per share
- $8.27
- Number of holders
- 70
- Value change
- +$38,611,553
- Number of buys
- 44
- Number of sells
- 27
- Shares outstanding
- 172,587,037
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 2023
Institutions
70
Top holders
10
CABA full security history
Ownership snapshot
Full 13F holder table
Cabaletta Bio, Inc. SEC filings
Cabaletta Bio, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of CABA - Cabaletta Bio, Inc. - Common Stock, $0.00001 par value per share (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
Lynx1 Capital Management LP
Disclosed value leader
Lynx1 Capital Management LP
Comparable rows
15/15
Latest evidence
31 Dec 2022
13F
Lead comparable stake: 1.6%
Showing 1-6 of 15 holder rows.
Quick read
Lynx1 Capital Management LP 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 Lynx1 Capital Management LP's linked filing trail.
Comparable ownership
Top 5
Lynx1 Capital Management LP
1.6%
ADAGE CAPITAL PARTNERS GP, L.L.C.
1.5%
Cormorant Asset Management, LP
1.1%
Venrock Adviser, LLC
1.1%
BAKER BROS. ADVISORS LP
0.78%
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 |
|---|---|---|---|---|---|
| Lynx1 Capital Management LP |
13F
Company
|
1.6%
|
$26,140,278
2,825,976 shares
|
— | 31 Dec 2022 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
1.5%
|
$23,510,216
2,541,645 shares
|
— | 31 Dec 2022 |
| Cormorant Asset Management, LP |
13F
Company
|
1.1%
|
$18,239,000
1,971,739 shares
|
— | 31 Dec 2022 |
| Venrock Adviser, LLC |
13F
Company
|
1.1%
|
$17,531,386
1,895,285 shares
|
— | 31 Dec 2022 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
0.78%
|
$12,432,000
1,344,000 shares
|
— | 31 Dec 2022 |
| Blackstone Inc. |
13F
Company
|
0.72%
|
$11,562,500
1,250,000 shares
|
— | 31 Dec 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 Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
70
Shares
24,651,946
Rows available
70
| 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 2023 vs Q1 2023 Across Filers
Q1 2023 holders
70
Q1 2023 holders
70
Holder diff
0
| Investor | Q1 2023 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q1 2023 value | Value change | Value Chg % |
|---|