Security key
869367102
Sutro Biopharma, Inc. - Common Stock, $0.001 par value per share (STRO)
CUSIP: 869367102
Q3 2022 13F Holders as of 30 Sep 2022
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Total 13F shares
- 50,396,383
- Total 13F value
- $279,697,401
- Share change
- +4,154,059
- SEC-reported price per share
- $5.55
- Number of holders
- 111
- Value change
- +$23,514,794
- Number of buys
- 58
- Number of sells
- 43
- Shares outstanding
- 16,607,375
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2022
Institutions
111
Top holders
10
STRO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
SUTRO BIOPHARMA, INC. SEC filings
SUTRO BIOPHARMA, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 869367102
Recent filing periods:
Ownership snapshot
Top reported holders of STRO - Sutro Biopharma, Inc. - Common Stock, $0.001 par value per share (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
MONTANOVA CAPITAL, LLC
Disclosed value leader
MONTANOVA CAPITAL, LLC
Comparable rows
15/15
Latest evidence
30 Jun 2022
13F
Lead comparable stake: 28%
Showing 1-6 of 15 holder rows.
Quick read
MONTANOVA CAPITAL, LLC leads the comparable SEC ownership view at 28%.
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 MONTANOVA CAPITAL, LLC's linked filing trail.
Comparable ownership
Top 5
MONTANOVA CAPITAL, LLC
28%
FRANKLIN RESOURCES INC
23%
BlackRock Finance, Inc.
22%
BVF INC/IL
21%
Holocene Advisors, LP
17%
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 |
|---|---|---|---|---|---|
| MONTANOVA CAPITAL, LLC |
13F
Company
|
28%
|
$24,200,000
4,645,000 shares
|
— | 30 Jun 2022 |
| FRANKLIN RESOURCES INC |
13F
Company
|
23%
|
$19,662,000
3,773,895 shares
|
— | 30 Jun 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
22%
|
$19,395,000
3,722,625 shares
|
— | 30 Jun 2022 |
| BVF INC/IL |
13F
Company
|
21%
|
$17,964,000
3,447,946 shares
|
— | 30 Jun 2022 |
| Holocene Advisors, LP |
13F
Company
|
17%
|
$14,615,000
2,805,197 shares
|
— | 30 Jun 2022 |
| EVENTIDE ASSET MANAGEMENT, LLC |
13F
Company
|
16%
|
$14,114,000
2,708,975 shares
|
— | 30 Jun 2022 |
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 Q3 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
111
Shares
50,396,383
Rows available
111
| 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 Q3 2022 vs Q1 2026 Across Filers
Q1 2026 holders
7
Q3 2022 holders
111
Holder diff
104
| Investor | Q1 2026 Shares | Q3 2022 Shares | Share Diff | Share Chg % | Q1 2026 value | Q3 2022 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend