SUTRO BIOPHARMA, INC. - STRO

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 3 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Affinity Asset Advisors, LLC History Reduced 748,382 8,658 0.49% 0.06% 1 -4,340 -0.58% Q4 2025 Feb 13, 2026
Kynam Capital Management, LP History Reduced 479,590 5,548 0.35% 0.33% 2 -4,608,509 -90.57% Q4 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 418,196 4,838 0.0% 0.0% 3 -4,106,154 -90.76% Q4 2025 Feb 17, 2026
VANGUARD GROUP INC History Reduced 375,786 4,347 0.0% 0.0% 4 -3,307,200 -89.8% Q4 2025 Jan 29, 2026
ACADIAN ASSET MANAGEMENT LLC History Reduced 337,953 3,908 0.01% 0.01% 5 -3,051,369 -90.03% Q4 2025 Feb 10, 2026
Velan Capital Investment Management LP History Reduced 312,000 3,609 2.09% 2.54% 6 -2,808,000 -90.0% Q4 2025 Feb 13, 2026
Merck & Co., Inc. History Reduced 272,351 3,151 1.14% 1.04% 7 -2,451,158 -90.0% Q4 2025 Feb 17, 2026
Vestal Point Capital, LP History Reduced 243,000 2,811 0.1% 0.1% 8 -2,357,000 -90.65% Q4 2025 Feb 17, 2026
BALYASNY ASSET MANAGEMENT L.P. History New 230,049 2,661 0.0% 9 +230,049 New Q4 2025 Feb 17, 2026
Samsara BioCapital, LLC History Reduced 204,503 2,366 0.24% 0.25% 10 -1,992,311 -90.69% Q4 2025 Feb 17, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C. History Reduced 200,000 2,314 0.0% 0.0% 11 -1,800,000 -90.0% Q4 2025 Feb 17, 2026
Eversept Partners, LP History Reduced 193,571 2,239 0.11% 0.14% 12 -2,097,742 -91.55% Q4 2025 Feb 17, 2026
Opaleye Management Inc. History New 190,671 2,206 0.29% 13 +190,671 New Q4 2025 Apr 13, 2026
Point72 Asset Management, L.P. History New 179,088 2,072 0.0% 14 +179,088 New Q4 2025 Feb 17, 2026
TANG CAPITAL MANAGEMENT LLC History Reduced 139,617 1,615 0.08% 0.09% 15 -2,689,100 -95.06% Q4 2025 Feb 17, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 122,865 1,421 0.0% 0.0% 16 -1,301,932 -91.38% Q4 2025 Feb 12, 2026
BlackRock, Inc. History Reduced 117,437 1,358 0.0% 0.0% 17 -1,570,443 -93.04% Q4 2025 Feb 12, 2026
GSA CAPITAL PARTNERS LLP History Reduced 89,067 1,031 0.09% 0.01% 18 -85,776 -49.06% Q4 2025 Feb 06, 2026
MARSHALL WACE, LLP History Reduced 85,615 990 0.0% 0.0% 19 -32,828 -27.72% Q4 2025 Feb 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 83,979 971 0.0% 0.0% 20 -736,969 -89.77% Q4 2025 Feb 09, 2026
Spruce Street Capital LP History New 75,594 874 0.29% 21 +75,594 New Q4 2025 Feb 13, 2026
ACUTA CAPITAL PARTNERS, LLC History New 67,451 780 0.53% 22 +67,451 New Q4 2025 Feb 17, 2026
ADAR1 Capital Management, LLC History New 67,077 776 0.06% 23 +67,077 New Q4 2025 Feb 18, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 46,492 537 0.0% 0.0% 24 -350,293 -88.28% Q4 2025 Feb 17, 2026
Fisher Asset Management, LLC History Reduced 35,305 408 0.0% 0.0% 25 -317,644 -90.0% Q4 2025 Feb 09, 2026
STATE STREET CORP History Reduced 34,266 396 0.0% 0.0% 26 -308,386 -90.0% Q4 2025 Feb 13, 2026
CITADEL ADVISORS LLC History New 32,085 371 0.0% 27 +32,085 New Q4 2025 Feb 17, 2026
Shay Capital LLC History Reduced 24,255 280 0.03% 0.02% 28 -287,796 -92.23% Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History New 22,945 265 0.0% 29 +22,945 New Q4 2025 Feb 12, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 18,034 208 0.0% 0.0% 30 -336,415 -94.91% Q4 2025 Feb 17, 2026
TWO SIGMA ADVISERS, LP History Reduced 17,580 203 0.0% 0.0% 31 -221,820 -92.66% Q4 2025 Feb 17, 2026
AJU IB Investment Co., Ltd. History Reduced 17,500 202 0.89% 0.13% 32 -157,500 -90.0% Q4 2025 Feb 10, 2026
Invesco Ltd. History Reduced 16,970 196 0.0% 0.0% 33 -117,949 -87.42% Q4 2025 Feb 19, 2026
MORGAN STANLEY History Reduced 15,922 184 0.0% 0.0% 34 -225,963 -93.42% Q4 2025 Feb 13, 2026
GOLDMAN SACHS GROUP INC History Reduced 15,669 181 0.0% 0.0% 35 -72,442 -82.22% Q4 2025 Mar 25, 2026
RBF Capital, LLC History Reduced 15,272 176 0.01% 0.01% 36 -137,442 -90.0% Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Reduced 14,379 166 0.0% 0.0% 37 -107,736 -88.23% Q4 2025 Feb 17, 2026
OMERS ADMINISTRATION Corp History Reduced 11,023 127 0.0% 0.0% 38 -84,127 -88.42% Q4 2025 Feb 13, 2026
State of Tennessee, Department of Treasury History New 7,400 110 0.0% 39 +7,400 New Q4 2025 Feb 18, 2026
UBS Group AG History Reduced 7,870 91 0.0% 0.0% 40 -1,837,969 -99.57% Q4 2025 Jan 29, 2026
BANK OF AMERICA CORP /DE/ History Reduced 4,212 48 0.0% 0.0% 41 -115,222 -96.47% Q4 2025 Feb 17, 2026
CWM, LLC History Reduced 1,499 17 0.0% 0.0% 42 -23,737 -94.06% Q4 2025 Jan 26, 2026
OSAIC HOLDINGS, INC. History Reduced 1,338 15 0.0% 0.0% 43 -19,811 -93.67% Q4 2025 Feb 17, 2026
CITIGROUP INC History Reduced 1,043 12 0.0% 0.0% 45 -74,334 -98.62% Q4 2025 Feb 13, 2026
FMR LLC History Reduced 1,108 12 0.0% 0.0% 44 -10,756 -90.66% Q4 2025 Feb 17, 2026
FNY Investment Advisers, LLC History Reduced 1,000 11 0.0% 0.0% 46 -9,000 -90.0% Q4 2025 Jan 16, 2026
JPMORGAN CHASE & CO History Reduced 741 8 0.0% 0.0% 47 -75,417 -99.03% Q4 2025 Feb 11, 2026
Physician Wealth Advisors, Inc. History Reduced 182 2 0.0% 0.0% 48 -1,122 -86.04% Q4 2025 Jan 29, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 111 1 0.0% 0.0% 50 -1,630 -93.62% Q4 2025 Feb 10, 2026
WELLS FARGO & COMPANY/MN History New 100 1 0.0% 49 +100 New Q4 2025 Feb 13, 2026
SUVRETTA CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.14% -6,488,324 -100.0% Q3 2025 Nov 14, 2025
DAFNA Capital Management LLC History Closed out 0 0 0.09% -437,079 -100.0% Q3 2025 Nov 14, 2025
DIMENSIONAL FUND ADVISORS LP History Closed out 0 0 0.0% -197,516 -100.0% Q3 2025 Nov 12, 2025
LPL Financial LLC History Closed out 0 0 0.0% -142,883 -100.0% Q3 2025 Nov 12, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -103,592 -100.0% Q3 2025 Nov 14, 2025
Aberdeen Group plc History Closed out 0 0 0.0% -69,389 -100.0% Q3 2025 Nov 07, 2025
Cerity Partners LLC History Closed out 0 0 0.0% -68,061 -100.0% Q3 2025 Oct 22, 2025
Qube Research & Technologies Ltd History Closed out 0 0 0.0% -65,226 -100.0% Q3 2025 Nov 14, 2025
Catalyst Funds Management Pty Ltd History Closed out 0 0 0.01% -63,776 -100.0% Q3 2025 Nov 12, 2025
Vanguard Personalized Indexing Management, LLC History Closed out 0 0 0.0% -60,184 -100.0% Q3 2025 Oct 31, 2025
IEQ CAPITAL, LLC History Closed out 0 0 0.0% -59,752 -100.0% Q3 2025 Nov 14, 2025
Vontobel Holding Ltd. History Closed out 0 0 0.0% -50,000 -100.0% Q3 2025 Oct 15, 2025
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.0% -42,900 -100.0% Q3 2025 Nov 14, 2025
PRUDENTIAL FINANCIAL INC History Closed out 0 0 0.0% -35,500 -100.0% Q3 2025 Nov 13, 2025
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -24,017 -100.0% Q3 2025 Nov 14, 2025
XTX Topco Ltd History Closed out 0 0 0.0% -19,131 -100.0% Q3 2025 Nov 14, 2025
China Universal Asset Management Co., Ltd. History Closed out 0 0 0.0% -14,860 -100.0% Q3 2025 Nov 10, 2025
Ground Swell Capital, LLC History Closed out 0 0 0.03% -14,345 -100.0% Q3 2025 Nov 06, 2025
Quantinno Capital Management LP History Closed out 0 0 0.0% -11,139 -100.0% Q3 2025 Nov 14, 2025
Revolve Wealth Partners, LLC History Closed out 0 0 0.0% -11,002 -100.0% Q3 2025 Oct 14, 2025
Arax Advisory Partners History Reduced 3 0 0.0% -3,840 -99.92% Q4 2025 Feb 13, 2026
Mirae Asset Global Investments Co., Ltd. History Closed out 0 0 0.0% -3,277 -100.0% Q3 2025 Nov 03, 2025
BARCLAYS PLC History Closed out 0 0 0.0% -2,767 -100.0% Q3 2025 Mar 31, 2026
Rockefeller Capital Management L.P. History Closed out 0 0 0.0% -2,365 -100.0% Q3 2025 Nov 14, 2025
GF FUND MANAGEMENT CO. LTD. History Closed out 0 0 0.0% -1,918 -100.0% Q3 2025 Nov 07, 2025
Rise Advisors, LLC History Closed out 0 0 -769 -100.0% Q3 2025 Oct 08, 2025
Avion Wealth History Reduced 72 0 -644 -89.94% Q4 2025 Jan 23, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 62 0 -552 -89.9% Q4 2025 Feb 06, 2026
Bare Financial Services, Inc History Closed out 0 0 -549 -100.0% Q3 2025 Nov 12, 2025
Bogart Wealth, LLC History Reduced 50 0 -450 -90.0% Q4 2025 Jan 30, 2026
EverSource Wealth Advisors, LLC History Reduced 31 0 -423 -93.17% Q4 2025 Feb 06, 2026
Parallel Advisors, LLC History Reduced 47 0 -418 -89.89% Q4 2025 Feb 11, 2026
NISA INVESTMENT ADVISORS, LLC History Reduced 44 0 -396 -90.0% Q4 2025 Jan 15, 2026
JONES FINANCIAL COMPANIES LLLP History Closed out 0 0 -250 -100.0% Q3 2025 Nov 04, 2025
HighMark Wealth Management LLC History Reduced 23 0 -202 -89.78% Q4 2025 Feb 05, 2026
Advisory Services Network, LLC History Closed out 0 0 -147 -100.0% Q3 2025 Nov 18, 2025
Fortitude Family Office, LLC History New 56 0 +56 New Q4 2025 Jan 15, 2026
COMERICA BANK History Reduced 3 0 -46 -93.88% Q4 2025 Jan 29, 2026
True Wealth Design, LLC History Closed out 0 0 -45 -100.0% Q3 2025 Oct 21, 2025
IFP Advisors, Inc History Closed out 0 0 -21 -100.0% Q3 2025 Feb 06, 2026
GROUP ONE TRADING LLC History Reduced 2 0 -18 -90.0% Q4 2025 Feb 12, 2026
ROYAL BANK OF CANADA History New 11 0 +11 New Q4 2025 Feb 17, 2026
SBI Securities Co., Ltd. History Closed out 0 0 -2 -100.0% Q3 2025 Nov 05, 2025