Optiver Holding
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Optiver Holding’s Sera Prognostics SERA Stock Holding History

Optiver Holding’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 		– Sell
-412
Closed -$836 – 3051
2026
Q1 		$836 Hold
412
– – ﹤0.01% 2091
2025
Q4 		$1.22K Hold
412
– – ﹤0.01% 2176
2025
Q3 		$1.26K Buy
+412
New +$1.17K ﹤0.01% 2476

Other funds holding SERA

BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
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

Optiver Holding's SERA Position: Q2 2026 in Review

Optiver Holding sold out of Sera Prognostics (SERA) in Q2 2026, closing a stake of 412 shares — an estimated $836 sold.

Optiver Holding first reported a position in SERA in Q3 2025 and held it in 3 quarters. The position peaked at $1.26K in Q3 2025. 46 funds tracked by Wall St. Rank hold SERA as of Q2 2026.

  • Optiver Holding reported no remaining Sera Prognostics position as of Q2 2026 after selling out during the quarter.
  • Optiver Holding sold 412 Sera Prognostics shares in Q2 2026, an estimated $836.
  • Optiver Holding first reported a position in Sera Prognostics in Q3 2025 and held it in 3 quarters.
  • Optiver Holding's Sera Prognostics position peaked at $1.26K in Q3 2025.
  • 46 funds tracked by Wall St. Rank held Sera Prognostics as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.