SERA PROGNOSTICS, INC. - SERA

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 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
BAKER BROS. ADVISORS LP History No change 5,498,170 11,161 0.06% 0.09% 1 0 0.0% Q1 2026 May 15, 2026
Whetstone Capital Advisors, LLC History Reduced 3,306,889 6,712 2.33% 3.18% 2 -152,824 -4.42% Q1 2026 May 15, 2026
Aberdeen Group plc History Added to 2,550,775 5,178 0.01% 0.01% 3 +271,076 11.89% Q1 2026 Apr 29, 2026
PSP Research LLC History New 2,396,685 4,865 3.44% 4 +2,396,685 New Q1 2026 Apr 17, 2026
VANGUARD GROUP INC History No change 1,239,449 3,656 0.0% 0.0% 5 0 0.0% Q4 2025 Jan 29, 2026
Vivo Capital, LLC History No change 1,650,440 3,350 0.28% 0.31% 6 0 0.0% Q1 2026 May 20, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 1,204,115 2,444 0.0% 7 +1,204,115 New Q1 2026 May 15, 2026
CAPTRUST FINANCIAL ADVISORS History Reduced 536,761 1,089 0.0% 0.0% 8 -5 -0.0% Q1 2026 May 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 363,617 738 0.0% 0.0% 9 +28,978 8.66% Q1 2026 May 15, 2026
SANDERS MORRIS HARRIS LLC History New 314,950 639 0.1% 10 +314,950 New Q1 2026 Apr 09, 2026
CITADEL ADVISORS LLC History Reduced 263,709 535 0.0% 0.0% 11 -443,905 -62.73% Q1 2026 May 15, 2026
AWM Investment Company, Inc. History No change 207,382 420 0.05% 0.06% 12 0 0.0% Q1 2026 May 15, 2026
BlackRock, Inc. History Added to 196,105 398 0.0% 0.0% 13 +9,354 5.01% Q1 2026 May 13, 2026
VANGUARD FIDUCIARY TRUST CO History New 169,661 344 0.0% 14 +169,661 New Q1 2026 May 08, 2026
STATE STREET CORP History No change 124,792 253 0.0% 0.0% 15 0 0.0% Q1 2026 May 15, 2026
MORGAN STANLEY History Added to 105,017 213 0.0% 0.0% 16 +24,049 29.7% Q1 2026 May 15, 2026
GSA CAPITAL PARTNERS LLP History Reduced 104,973 213 0.01% 0.03% 17 -2,262 -2.11% Q1 2026 May 08, 2026
NORTHERN TRUST CORP History No change 96,535 195 0.0% 0.0% 18 0 0.0% Q1 2026 May 14, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 91,504 185 0.0% 0.0% 19 -21,674 -19.15% Q1 2026 May 15, 2026
Perigon Wealth Management, LLC History No change 72,685 147 0.0% 0.0% 20 0 0.0% Q1 2026 Apr 10, 2026
Bank of New York Mellon Corp History Reduced 60,927 123 0.0% 0.0% 21 -14,340 -19.05% Q1 2026 May 05, 2026
Requisite Capital Management, LLC History No change 55,648 112 0.02% 0.03% 22 0 0.0% Q1 2026 May 14, 2026
JANE STREET GROUP, LLC History Reduced 53,908 109 0.0% 0.0% 23 -14,918 -21.67% Q1 2026 May 12, 2026
Ballentine Partners, LLC History No change 49,664 100 0.0% 0.0% 24 0 0.0% Q1 2026 May 14, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 45,705 92 0.0% 0.0% 25 0 0.0% Q1 2026 May 15, 2026
Twelve Points Wealth Management LLC History No change 43,388 88 0.02% 0.04% 26 0 0.0% Q1 2026 Apr 14, 2026
HighTower Advisors, LLC History No change 42,234 85 0.0% 0.0% 27 0 0.0% Q1 2026 May 05, 2026
BARCLAYS PLC History Reduced 31,967 64 0.0% 0.0% 28 -4,755 -12.95% Q1 2026 May 14, 2026
Squarepoint Ops LLC History Reduced 31,428 63 0.0% 0.0% 29 -4,894 -13.47% Q1 2026 May 15, 2026
Birch Hill Investment Advisors LLC History No change 27,293 55 0.0% 0.0% 30 0 0.0% Q1 2026 Apr 29, 2026
Cetera Investment Advisers History No change 25,000 50 0.0% 0.0% 31 0 0.0% Q1 2026 May 13, 2026
Catalyst Funds Management Pty Ltd History New 23,564 47 0.01% 32 +23,564 New Q1 2026 May 11, 2026
TWO SIGMA INVESTMENTS, LP History No change 21,964 44 0.0% 0.0% 33 0 0.0% Q1 2026 May 15, 2026
Qube Research & Technologies Ltd History Reduced 19,917 40 0.0% 0.0% 34 -9,065 -31.28% Q1 2026 May 15, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 19,535 39 0.0% 0.0% 35 -3,399 -14.82% Q1 2026 May 07, 2026
GOLDMAN SACHS GROUP INC History Reduced 18,472 37 0.0% 0.0% 36 -10,127 -35.41% Q1 2026 May 15, 2026
XTX Topco Ltd History New 16,491 33 0.0% 37 +16,491 New Q1 2026 May 15, 2026
UBS Group AG History Reduced 14,869 30 0.0% 0.0% 38 -10,326 -40.98% Q1 2026 May 05, 2026
Arkadios Wealth Advisors History New 12,400 25 0.0% 41 +12,400 New Q1 2026 May 18, 2026
Wagner Wealth Management, LLC History Reduced 12,400 25 0.01% 0.01% 39 -286 -2.25% Q1 2026 Apr 24, 2026
Riverview Capital Advisers, LLC History No change 12,669 25 0.01% 0.01% 40 0 0.0% Q1 2026 May 13, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 12,085 24 0.0% 0.0% 42 0 0.0% Q1 2026 May 15, 2026
Focus Partners Wealth History No change 12,156 24 0.0% 0.0% 43 0 0.0% Q1 2026 May 14, 2026
Vanguard Global Advisers, LLC History New 11,169 22 0.0% 44 +11,169 New Q1 2026 May 08, 2026
Geneos Wealth Management Inc. History Added to 10,800 21 0.0% 0.0% 46 +3,000 38.46% Q1 2026 May 04, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Reduced 10,558 21 0.0% 0.0% 45 -81 -0.76% Q1 2026 Apr 08, 2026
FMR LLC History Reduced 6,573 13 0.0% 0.0% 47 -8,272 -55.72% Q1 2026 May 15, 2026
CWM, LLC History Reduced 1,003 2 0.0% 0.0% 48 -3 -0.3% Q1 2026 May 14, 2026
Corient Private Wealth LLC History Closed out 0 0 0.0% -100,000 -100.0% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -71,532 -100.0% Q1 2026 May 15, 2026
Lido Advisors, LLC History Closed out 0 0 0.0% -16,623 -100.0% Q1 2026 May 13, 2026
Point72 Asset Management, L.P. History Closed out 0 0 0.0% -11,403 -100.0% Q1 2026 May 15, 2026
Abel Hall, LLC History Closed out 0 0 0.01% -11,037 -100.0% Q1 2026 Apr 28, 2026
DEUTSCHE BANK AG\ History Closed out 0 0 0.0% -8,729 -100.0% Q1 2026 May 06, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 0.0% -4,670 -100.0% Q1 2026 May 15, 2026
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -945 -100.0% Q1 2026 May 15, 2026
Torren Management, LLC History Closed out 0 0 0.0% -389 -100.0% Q1 2026 Apr 30, 2026
Fortitude Family Office, LLC History Closed out 0 0 -301 -100.0% Q1 2026 Apr 15, 2026
CITIGROUP INC History Closed out 0 0 -200 -100.0% Q1 2026 May 11, 2026
Silicon Valley Capital Partners History New 57 0 +57 New Q1 2026 May 19, 2026
Advisory Services Network, LLC History New 19 0 +19 New Q1 2026 May 15, 2026
Caitong International Asset Management Co., Ltd History New 4 0 +4 New Q1 2026 May 11, 2026
ROYAL BANK OF CANADA History Added to 43 0 +3 7.5% Q1 2026 May 15, 2026
JPMORGAN CHASE & CO History No change 222 0 0 0.0% Q1 2026 May 13, 2026
NISA INVESTMENT ADVISORS, LLC History No change 129 0 0 0.0% Q1 2026 Apr 30, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 236 0 0 0.0% Q1 2026 May 12, 2026
SBI Securities Co., Ltd. History No change 7 0 0 0.0% Q1 2026 Apr 27, 2026
Optiver Holding B.V. History No change 412 0 0.0% 0 0.0% Q1 2026 May 15, 2026