Form 13-F position report

AVROBIO INC COM (DE)

Reported by Ergoteles LLC

AVRO CUSIP 05455M100 Manager CIK 0001569136

Reported 46,906 shares, down 62,844 (57.3%) from the prior quarter.

Reported value -52.9%; share count -57.3% vs. the prior quarter.

Reduced
% of reported 13F value < 0.01% This manager · Q4 2022
Shares 46,906 Quarter-end amount reported
Reported value $33,439 Fair value at quarter end
Consecutive quarters held 3 Through Q4 2022

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 116000
2021-12-31 0
2022-06-30 128000
2022-09-30 71000
2022-12-31 33439
2023-03-31 0

Quarterly position history

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

6 quarters
Quarterly reported position history for AVROBIO INC COM (DE) held by Ergoteles LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q1 2023 Reduced 0 -46,906 (-100.0%) 0 $0 2023-05-10
Q4 2022 Reduced 46,906 -62,844 (-57.3%) < 0.01% $33,439 2023-02-14
Q3 2022 Reduced 109,750 -29,298 (-21.1%) < 0.01% $71,000 2022-11-14
Q2 2022 New 139,048 +139,048 (0.0%) < 0.01% $128,000 2022-08-12
Q4 2021 Reduced 0 -20,823 (-100.0%) 0 $0 2022-02-14
Q3 2021 New 20,823 +20,823 (0.0%) < 0.01% $116,000 2021-11-15

Who else reported the position

58 managers reported AVROBIO INC COM (DE) for Q4 2022.

Managers reporting AVROBIO INC COM (DE) in Q4 2022.
Manager Activity Shares Change % of reported 13F Reported value Tenure
Atlas Venture Life Science Advisors LLC Unchanged 4,520,863 0 0.39% $3,222,923 5 qtrs
GMT CAPITAL CORP Reduced 3,309,859 -184,631 0.11% $2,359,598 8 qtrs
BlackRock Inc Reduced 1,520,340 -483,231 < 0.01% $1,083,850 19 qtrs
ACADIAN ASSET MANAGEMENT LLC Added 1,469,892 +288,135 < 0.01% $1,046,000 6 qtrs
VANGUARD GROUP INC Added 1,158,257 +943 < 0.01% $825,721 19 qtrs
Aisling Capital Management LP Unchanged 1,009,779 0 0.47% $716,943 17 qtrs
NATIXIS New 880,000 +880,000 < 0.01% $627,352 1 qtr
RENAISSANCE TECHNOLOGIES LLC Reduced 862,267 -359,874 < 0.01% $615,000 11 qtrs
FARALLON CAPITAL MANAGEMENT LLC Unchanged 740,000 0 < 0.01% $527,546 19 qtrs
MILLENNIUM MANAGEMENT LLC Reduced 688,685 -20,852 < 0.01% $491,000 15 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
December 31, 2022
Filed
February 14, 2023
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
46,906
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.