Security key
05455M100
- Security type / class
- Equity / COM
- Total 13F shares
- 16,558,034
- Total 13F value
- $268,031,443
- Share change
- -565,730
- SEC-reported price per share
- $16.26
- Number of holders
- 65
- Value change
- -$10,328,094
- Number of buys
- 40
- Number of sells
- 19
Report period
Q2 2019
Institutions
65
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
Blackstone Inc.
Disclosed value leader
Blackstone Inc.
Comparable rows
0/15
Latest evidence
31 Mar 2019
13F
Highest disclosed value: $65,319,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Blackstone Inc. has the largest disclosed position value at $65.32M.
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 Blackstone Inc.'s linked filing trail.
Disclosed position value
Top 5
Blackstone Inc.
$65.32M
SV Health Investors, LLC
$42.57M
CITADEL ADVISORS LLC
$35.56M
JPMORGAN CHASE & CO
$27M
BlackRock Finance, Inc.
$23.1M
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 |
|---|---|---|---|---|---|
| Blackstone Inc. |
13F
Company
|
—
denominator unverified
|
$65,319,000
2,962,325 shares
|
— | 31 Mar 2019 |
| SV Health Investors, LLC |
13F
Company
|
—
denominator unverified
|
$42,572,000
1,930,704 shares
|
— | 31 Mar 2019 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$35,565,000
1,612,921 shares
|
— | 31 Mar 2019 |
| JPMORGAN CHASE & CO |
13F
Company
|
—
denominator unverified
|
$26,999,000
1,224,455 shares
|
— | 31 Mar 2019 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$23,100,000
1,047,620 shares
|
— | 31 Mar 2019 |
| EVENTIDE ASSET MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$20,482,000
928,891 shares
|
— | 31 Mar 2019 |
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 Q2 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
65
Shares
16,558,034
Rows available
65
| 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 Q2 2019 vs Q1 2019 Across Filers
Q1 2019 holders
56
Q2 2019 holders
65
Holder diff
9
| Investor | Q1 2019 Shares | Q2 2019 Shares | Share Diff | Share Chg % | Q1 2019 value | Q2 2019 value | Value change | Value Chg % |
|---|