Sera Prognostics (SERA.US) Shareholders - Institutional Holders, Major Shareholders & Insiders | Longbridge

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Shareholder Type

Institutions37.46%
Public and others32.90%
Hedge funds24.77%
Individuals & Insiders4.86%

Major Shareholders

Major Shareholders Latest
Shareholder
Baker Bros. Advisors LP	16.39%	6.47M	0.13%	+0	06/30/2026
Whetstone Capital Advisors, LLC	8.38%	3.31M	0.07%	+0	06/30/2026
Aberdeen Group Plc	6.98%	2.75M	0.46%	+202.75K	06/30/2026
Chione Ltd	6.08%	2.40M	0.05%	+0	04/13/2026
Anthem Insurance Companies, Inc.	5.58%	2.20M	0.04%	+0	04/13/2026
aMoon Ventures Y.SH. Ltd	4.85%	1.91M	0.04%	+0	03/31/2025
Vivo Capital, LLC	4.18%	1.65M	0.03%	+0	06/30/2026
Vanguard Capital Management, LLC	3.72%	1.47M	0.21%	+94.92K	06/30/2026
Gregory CritchfieldExecutive Director	2.05%	807.32K	0.03%	-12.95K	07/10/2026
CapFinancial Partners, LLC	1.36%	535.76K	0.01%	-1.01K	06/30/2026
Geode Capital Management, LLC	0.88%	348.97K	0.04%	-14.65K	06/30/2026
Zhenya LindgardtPresident, CEO & Director	0.84%	332.96K	0.29%	+116.40K	06/11/2026
BlackRock, Inc.	0.56%	221.37K	0.06%	+25.26K	06/30/2026
AWM Investment Company Inc	0.53%	207.38K	<0.01%	+0	06/30/2026
Austin AertsCFO & Treasurer	0.39%	155.10K	0.02%	+10.76K	06/11/2026
State Street Investment Management	0.32%	124.79K	<0.01%	+0	06/30/2026
Paul KearneyChief Data Officer	0.32%	124.70K	0.10%	-39.26K	04/13/2026
John BonifaceChief Scientific Officer	0.27%	105.06K	0.11%	-40.78K	04/13/2026
Benjamin JacksonGeneral Counsel & Corporate Secretary	0.23%	90.35K	0.02%	+7.75K	06/11/2026
Robert HarrisonChief Information Officer	0.19%	76.71K	<0.01%	+0	03/11/2026