Form 13-F position report

CABALETTA BIO INC

Reported by 5AM Venture Management LLC

CABA CUSIP 12674W109 Manager CIK 0001799883

Reported 2,064,263 shares, down 295,000 (12.5%) from the prior quarter.

Reported value -72.7%; share count -12.5% vs. the prior quarter.

Reduced
% of reported 13F value 1.47% This manager · Q4 2021
Shares 2,064,263 Quarter-end amount reported
Reported value $7,824,000 Fair value at quarter end
Consecutive quarters held 9 Through Q4 2021

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2021-09-30 28689000
2021-12-31 7824000
2022-03-31 4190000
2022-06-30 2188000
2022-09-30 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

5 quarters
Quarterly reported position history for CABALETTA BIO INC held by 5AM Venture Management LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q3 2022 Reduced 0 -2,064,263 (-100.0%) 0 $0 2022-11-14
Q2 2022 Unchanged 2,064,263 0 (0.0%) 0.54% $2,188,000 2022-08-15
Q1 2022 Unchanged 2,064,263 0 (0.0%) 0.92% $4,190,000 2022-05-16
Q4 2021 Reduced 2,064,263 -295,000 (-12.5%) 1.47% $7,824,000 2022-02-03
Q3 2021 Reduced 2,359,263 -625,000 (-20.9%) 5.83% $28,689,000 2021-11-15
Five years are shown. A free account unlocks the complete reported history. Unlock full history

Who else reported the position

81 managers reported CABALETTA BIO INC for Q4 2021.

Managers reporting CABALETTA BIO INC in Q4 2021.
Manager Activity Shares Change % of reported 13F Reported value Tenure
ADAGE CAPITAL PARTNERS GP L L C Reduced 2,541,645 -500,000 0.02% $9,633,000 9 qtrs
5AM Venture Management LLC This report Reduced 2,064,263 -295,000 1.47% $7,824,000 9 qtrs
CITADEL ADVISORS LLC Added 1,499,623 +940,156 < 0.01% $5,683,000 5 qtrs
SAMLYN CAPITAL LLC Added 1,383,381 +1,033,906 0.07% $5,243,000 2 qtrs
Cormorant Asset Management LP Reduced 1,154,424 -457,199 0.26% $4,375,000 9 qtrs
Ikarian Capital LLC Reduced 970,398 -217,500 0.55% $3,678,000 4 qtrs
Point72 Asset Management L P Added 950,000 +50,000 0.01% $3,601,000 2 qtrs
VANGUARD GROUP INC Added 904,492 +173,711 < 0.01% $3,428,000 9 qtrs
Redmile Group LLC Unchanged 696,377 0 0.06% $2,639,000 9 qtrs
BAKER BROS ADVISORS LP Unchanged 662,063 0 0.01% $2,509,000 9 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
December 31, 2021
Filed
February 03, 2022
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
2,064,263
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.