SUTRO BIOPHARMA, INC.
Total Trades
5
Buys
1
Sells
3
Largest Trade
N/A
Insiders
3
Institutional Funds
42
Inst. Value
$1M+
Activist Filings
36
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Vasquez Nicki | CHIEF PORT. STRAT … | SELL | $50K–$100K | 12K | $5.00 | Jan 31, 2024 |
| Vasquez Nicki | CHIEF PORT. STRAT … | EXERCISE | N/A | 3K | — | Jan 31, 2024 |
| Shtylla Brunilda | Chief Business Off… | SELL | $50K–$100K | 15K | $4.71 | Aug 29, 2023 |
| Shtylla Brunilda | Chief Business Off… | SELL | $50K–$100K | 12K | $4.59 | Aug 28, 2023 |
| NEWELL WILLIAM J | CEO | BUY | $50K–$100K | 10K | $7.75 | Mar 15, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 42 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Affinity Asset Advisors, LLC | 748K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 338K | $1M+ | SH |
| Velan Capital Investment Management LP | 312K | $1M+ | SH |
| BALYASNY ASSET MANAGEMENT L.P. | 230K | $1M+ | SH |
| Samsara BioCapital, LLC | 205K | $1M+ | SH |
| Point72 Asset Management, L.P. | 179K | $1M+ | SH |
| TANG CAPITAL MANAGEMENT LLC | 140K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 123K | $1M+ | SH |
| GSA CAPITAL PARTNERS LLP | 89K | $1M+ | SH |
| Spruce Street Capital LP | 76K | $500K+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 68K | $500K+ | SH |
| ADAR1 Capital Management, LLC | 67K | $500K+ | SH |
| ADAR1 Capital Management, LLC | 67K | $500K+ | SH |
| Fisher Asset Management, LLC | 35K | $100K–$500K | SH |
| STATE STREET CORP | 34K | $100K–$500K | SH |
| MARSHALL WACE, LLP | 29K | $100K–$500K | SH |
| JANE STREET GROUP, LLC | 23K | $100K–$500K | SH |
| AJU IB Investment Co., Ltd. | 18K | $100K–$500K | SH |
| GOLDMAN SACHS GROUP INC | 16K | $100K–$500K | SH |
| MORGAN STANLEY | 15K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 19, 2026
4.1%
669K shares
SUVRETTA CAPITAL MANAGEMENT, LLC
SC 13G/A · Feb 13, 2026
0.0%
0 shares
SUVRETTA CAPITAL MANAGEMENT, LLC
SC 13G/A · Feb 13, 2026
0.0%
0 shares
SC 13G/A · Jan 30, 2026
8.8%
748K shares
SC 13G · Oct 23, 2025
7.8%
6.6M shares
SC 13G/A · Aug 14, 2025
0.0%
0 shares
Suvretta Capital Management, LLC
SC 13G/A · Aug 14, 2025
7.7%
6.5M shares
SC 13G/A · Jul 29, 2025
4.9%
4.1M shares
SC 13G/A · Jul 16, 2025
2.5%
2.1M shares
SC 13G · Jun 30, 2025
5.6%
4.7M shares
SC 13G · May 15, 2025
6.4%
0 shares
SC 13G/A · Apr 17, 2025
7.3%
6.1M shares
SC 13G · Apr 4, 2025
5.3%
4.4M shares
Point72 Asset Management, L.P.
SC 13G/A · Nov 15, 2024
3.7%
3.0M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Nov 14, 2024
0.0%
0 shares
SC 13G/A · Nov 13, 2024
0.0%
0 shares
SC 13G/A · Nov 12, 2024
5.1%
4.2M shares
Adage Capital Management, L.P.
SC 13G/A · Nov 12, 2024
2.8%
2.3M shares
Integrated Core Strategies (US) LLC
SC 13G/A · Nov 4, 2024
1.6%
1.3M shares
SC 13G/A · Nov 4, 2024
5.1%
4.2M shares
Point72 Asset Management, L.P.
SC 13G · Apr 5, 2024
7.7%
5.8M shares
Suvretta Capital Management, LLC
SC 13G/A · Feb 13, 2024
9.5%
5.8M shares
SC 13G/A · Feb 12, 2024
5.5%
3.3M shares
SC 13G/A · Jan 24, 2024
9.6%
5.8M shares
Integrated Core Strategies (US) LLC
SC 13G · Jan 17, 2024
5.1%
3.1M shares
SC 13G · Oct 10, 2023
5.9%
3.5M shares
Eventide Asset Management, LLC
SC 13G/A · Feb 14, 2023
0.0%
0 shares
Biotechnology Value Fund, L.P.
SC 13G/A · Feb 14, 2023
3.1%
1.8M shares
Suvretta Capital Management, LLC
SC 13G/A · Feb 13, 2023
9.7%
5.6M shares
SC 13G · Feb 10, 2023
5.6%
3.2M shares
SC 13G/A · Feb 1, 2023
4.9%
2.8M shares
SC 13G/A · Jan 23, 2023
2.4%
1.4M shares
SC 13G · Jul 8, 2022
5.2%
2.4M shares
Eventide Asset Management, LLC
SC 13G/A · Feb 14, 2022
5.9%
2.7M shares
Suvretta Capital Management, LLC
SC 13G/A · Feb 11, 2022
5.4%
2.5M shares
Biotechnology Value Fund, L.P.
SC 13G · Jan 18, 2022
3.7%
1.7M shares