Cabaletta Bio, Inc. - Common Stock (CABA)

CUSIP: 12674W109

Q1 2021 13F Holders as of 31 Mar 2021

Holder snapshot 7 signals
Share change
+55,145
Put/Call ratio
67%
SEC-reported price per share
$11.10
Number of holders
67
Value change
+$595,907
Number of buys
33
Open additional details 1 more signal available
Number of sells
19
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
212,877,018

Security key

12674W109

Report period

Q1 2021

Institutions

67

Top holders

10

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 Venture Management, LLC
Disclosed value leader
5AM Venture Management, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F Lead comparable stake: 1.6% Showing 1-6 of 15 holder rows.

Quick read

5AM Venture Management, LLC 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 5AM Venture Management, LLC's linked filing trail.
Comparable ownership Top 5
5AM Venture Management, LLC 1.6%
ADAGE CAPITAL PARTNERS GP, L.L.C. 1.5%
Cormorant Asset Management, LP 0.89%
Boxer Capital, LLC 0.75%
Redmile Group, LLC 0.65%

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
5AM Venture Management, LLC
13F
Company
13F
1.6%
$42,073,000
3,371,263 shares
31 Dec 2020
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F
Company
13F
1.5%
$39,696,000
3,180,805 shares
31 Dec 2020
Cormorant Asset Management, LP
13F
Company
13F
0.89%
$23,767,000
1,904,424 shares
31 Dec 2020
Boxer Capital, LLC
13F
Company
13F
0.75%
$20,010,000
1,603,361 shares
31 Dec 2020
Redmile Group, LLC
13F
Company
13F
0.65%
$17,201,000
1,378,319 shares
31 Dec 2020
BlackRock Finance, Inc.
13F
Company
13F
0.45%
$11,874,000
951,396 shares
31 Dec 2020
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 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
67
Shares
16,228,404
Rows available
67
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 2021 vs Q4 2020 Across Filers

Q4 2020 holders
54
Q1 2021 holders
67
Holder diff
13
Investor Q4 2020 Shares Q1 2021 Shares Share Diff Share Chg % Q4 2020 value Q1 2021 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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