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Julian Baker’s Sera Prognostics SERA Stock Holding History

Julian Baker’s Portfolio SERA Stock Details SERA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$10M Hold
5,498,170
– – 0.05% 70
2026
Q1 		$11.2M Hold
5,498,170
– – 0.06% 66
2025
Q4 		$16.2M Hold
5,498,170
– – 0.1% 62
2025
Q3 		$16.8M Hold
5,498,170
– – 0.12% 49
2025
Q2 		$15.2M Hold
5,498,170
– – 0.15% 44
2025
Q1 		$20.2M Buy
5,498,170
+63,771
+1% +$325K 0.22% 35
2024
Q4 		$44.2M Hold
5,434,399
– – 0.47% 28
2024
Q3 		$42.4M Hold
5,434,399
– – 0.44% 27
2024
Q2 		$32.2M Hold
5,434,399
– – 0.41% 31
2024
Q1 		$49.5M Hold
5,434,399
– – 0.62% 26
2023
Q4 		$32.5M Buy
5,434,399
+3,919,057
+259% +$11.4M 0.37% 31
2023
Q3 		$2.82M Sell
1,515,342
-262,093
-15% -$626K 0.02% 78
2023
Q2 		$5.86M Sell
1,777,435
-11,565
-0.6% -$39.7K 0.03% 69
2023
Q1 		$6.85M Buy
1,789,000
+1,587,438
+788% +$4.17M 0.04% 61
2022
Q4 		$254K Hold
201,562
– – ﹤0.01% 108
2022
Q3 		$322K Hold
201,562
– – ﹤0.01% 112
2022
Q2 		$331K Hold
201,562
– – ﹤0.01% 111
2022
Q1 		$764K Hold
201,562
– – ﹤0.01% 111
2021
Q4 		$1.39M Hold
201,562
– – 0.01% 111
2021
Q3 		$2.24M Buy
+201,562
New +$2.09M 0.01% 109

Other funds holding SERA

WCA
Whetstone Capital Advisors Shawnee Mission, Kansas $380M AUM 20.01% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.1B AUM 799.93% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $65.5B AUM 24.25% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AIC
AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Julian Baker's SERA Position: Q2 2026 in Review

Julian Baker held its Sera Prognostics (SERA) position steady in Q2 2026 at 5,498,170 shares worth $10M. The position accounts for 0.05% of the portfolio, ranked #70.

Julian Baker first reported a position in SERA in Q3 2021 and has held it in 20 quarters since. The position peaked at $49.5M in Q1 2024. 46 funds tracked by Wall St. Rank hold SERA as of Q2 2026.

  • Julian Baker held 5,498,170 shares of Sera Prognostics worth $10M as of Q2 2026.
  • Julian Baker left its Sera Prognostics share count unchanged in Q2 2026.
  • Sera Prognostics made up 0.05% of Julian Baker's portfolio in Q2 2026, its #70 holding.
  • Julian Baker first reported a position in Sera Prognostics in Q3 2021 and has held it in 20 quarters since.
  • Julian Baker's Sera Prognostics position peaked at $49.5M in Q1 2024.
  • 46 funds tracked by Wall St. Rank held Sera Prognostics as of Q2 2026.

Based on Baker Bros. Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.