Security key
05455M100
- Security type / class
- Equity / COM
- Total 13F shares
- 35,049,020
- Total 13F value
- $134,862,274
- Share change
- -338,248
- Put/Call ratio
- 0%
- SEC-reported price per share
- $3.85
- Number of holders
- 90
- Value change
- -$2,135,512
- Number of buys
- 36
- Number of sells
- 64
Open additional details 1 more signal available
Report period
Q4 2021
Institutions
90
Top holders
10
AVRO full security history
Ownership snapshot
Full 13F holder table
Tectonic Therapeutic, Inc. SEC filings
Tectonic Therapeutic, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of AVRO - AVROBIO INC - COM (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
JPMORGAN CHASE & CO
Disclosed value leader
JPMORGAN CHASE & CO
Comparable rows
0/15
Latest evidence
30 Sep 2021
13F
Highest disclosed value: $25,722,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
JPMORGAN CHASE & CO has the largest disclosed position value at $25.72M.
0 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 JPMORGAN CHASE & CO's linked filing trail.
Disclosed position value
Top 5
JPMORGAN CHASE & CO
$25.72M
BlackRock Finance, Inc.
$20.17M
Camber Capital Management LP
$17.48M
FEDERATED HERMES, INC.
$13.33M
GMT CAPITAL CORP
$11.9M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| JPMORGAN CHASE & CO |
13F
Company
|
—
denominator unverified
|
$25,722,000
4,609,602 shares
|
— | 30 Sep 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$20,169,000
3,614,455 shares
|
— | 30 Sep 2021 |
| Camber Capital Management LP |
13F
Company
|
—
denominator unverified
|
$17,484,000
3,133,333 shares
|
— | 30 Sep 2021 |
| FEDERATED HERMES, INC. |
13F
Company
|
—
denominator unverified
|
$13,327,000
2,388,380 shares
|
— | 30 Sep 2021 |
| GMT CAPITAL CORP |
13F
Company
|
—
denominator unverified
|
$11,903,000
2,133,214 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$9,601,000
1,720,488 shares
|
— | 30 Sep 2021 |
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 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
90
Shares
35,049,020
Rows available
90
| 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 2021 vs Q3 2021 Across Filers
Q3 2021 holders
96
Q4 2021 holders
90
Holder diff
-6
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|