Security key
12674W109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 48,539,586
- Total 13F value
- $1,101,850,659
- Share change
- +6,711,999
- Put/Call ratio
- 171%
- SEC-reported price per share
- $22.70
- Number of holders
- 128
- Value change
- +$176,650,504
- Number of buys
- 76
- Number of sells
- 42
- 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
Q4 2023
Institutions
128
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
FRED ALGER MANAGEMENT, LLC
Disclosed value leader
FRED ALGER MANAGEMENT, LLC
Comparable rows
15/15
Latest evidence
30 Sep 2023
13F
Lead comparable stake: 2.6%
Showing 1-6 of 15 holder rows.
Quick read
FRED ALGER MANAGEMENT, LLC leads the comparable SEC ownership view at 2.6%.
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 FRED ALGER MANAGEMENT, LLC's linked filing trail.
Comparable ownership
Top 5
FRED ALGER MANAGEMENT, LLC
2.6%
ADAGE CAPITAL PARTNERS GP, L.L.C.
2%
Cormorant Asset Management, LP
1.8%
Commodore Capital LP
1.5%
BlackRock Finance, Inc.
1.5%
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 |
|---|---|---|---|---|---|
| FRED ALGER MANAGEMENT, LLC |
13F
Company
|
2.6%
|
$64,828,905
4,259,455 shares
|
— | 30 Sep 2023 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
Company
|
2%
|
$49,718,337
3,266,645 shares
|
— | 30 Sep 2023 |
| Cormorant Asset Management, LP |
13F
Company
|
1.8%
|
$43,824,833
2,879,424 shares
|
— | 30 Sep 2023 |
| Commodore Capital LP |
13F
Company
|
1.5%
|
$38,441,961
2,525,753 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
1.5%
|
$37,170,239
2,442,197 shares
|
— | 30 Sep 2023 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
1.4%
|
$35,616,596
2,340,118 shares
|
— | 30 Sep 2023 |
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 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
128
Shares
48,539,586
Rows available
128
| 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 2023 vs Q3 2023 Across Filers
Q3 2023 holders
97
Q4 2023 holders
128
Holder diff
31
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend