How many shares of SERA does BAKER BROS. ADVISORS LP own?

As of 2026-Q2, BAKER BROS. ADVISORS LP holds 5.5M shares of SERA (SERA PROGNOSTICS INC).

What is BAKER BROS. ADVISORS LP's SERA position worth?

As of 2026-Q2, BAKER BROS. ADVISORS LP's SERA position is worth $10M.

Based on available 13F filings, BAKER BROS. ADVISORS LP first reported a position in SERA in 2021-Q3. They have held the position across 20 quarters.

Position history for BAKER BROS. ADVISORS LP's holdings in SERA PROGNOSTICS INC

Current Value

$10M

Current Shares

5.5M

Total Value Change

+$7.8M

Total Shares Change

+5.3M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Unchanged	5.5M	0.0%	$10M	0.1%	$1.82	0
2026-Q1	Unchanged	5.5M	0.0%	$11.2M	0.1%	$2.11	0
2025-Q4	Unchanged	5.5M	0.0%	$16.2M	0.1%	$2.90	0
2025-Q3	Unchanged	5.5M	0.0%	$16.8M	0.1%	$3.05	0
2025-Q2	Unchanged	5.5M	0.0%	$15.2M	0.1%	$4.09	0
2025-Q1	Increased	5.5M	+1.2%	$20.2M	0.2%	$3.54	34
2024-Q4	Unchanged	5.4M	0.0%	$44.2M	0.5%	$8.34	0
2024-Q3	Unchanged	5.4M	0.0%	$42.4M	0.4%	$7.68	0
2024-Q2	Unchanged	5.4M	0.0%	$32.2M	0.4%	$5.92	0
2024-Q1	Unchanged	5.4M	0.0%	$49.5M	0.6%	$9.10	0
2023-Q4	Increased	5.4M	+258.6%	$32.5M	0.4%	$5.98	56
2023-Q3	Decreased	1.5M	-14.8%	$2.8M	0.0%	$1.86	0
2023-Q2	Decreased	1.8M	-0.7%	$5.9M	0.0%	$3.53	0
2023-Q1	Increased	1.8M	+787.6%	$6.9M	0.0%	$3.84	44
2022-Q4	Unchanged	201,562	0.0%	$253,968	0.0%	$1.26	0
2022-Q3	Unchanged	201,562	0.0%	$322,000	0.0%	$1.55	0
2022-Q2	Unchanged	201,562	0.0%	$331,000	0.0%	$1.81	0
2022-Q1	Unchanged	201,562	0.0%	$764,000	0.0%	$3.74	0
2021-Q4	Unchanged	201,562	0.0%	$1.4M	0.0%	$7.00	0
2021-Q3	New	201,562	-	$2.2M	0.0%	$10.45	36