XT
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XTX Topco’s Sera Prognostics SERA Stock Holding History

XTX Topco’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 		$30.6K Buy
16,808
+317
+2% +$629 ﹤0.01% 3823
2026
Q1 		$33.5K Buy
+16,491
New +$42.5K ﹤0.01% 3427
2025
Q2 		– Sell
-10,496
Closed -$38.6K – 3074
2025
Q1 		$38.6K Buy
+10,496
New +$53.5K ﹤0.01% 2033

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

XTX Topco's SERA Position: Q2 2026 in Review

XTX Topco increased its Sera Prognostics (SERA) stake by 1.9% in Q2 2026, buying an estimated $629 and bringing the position to 16,808 shares worth $30.6K. The position accounts for ﹤0.01% of the portfolio, ranked #3823.

XTX Topco first reported a position in SERA in Q1 2025 and has held it in 3 quarters since. The position peaked at $38.6K in Q1 2025. 46 funds tracked by Wall St. Rank hold SERA as of Q2 2026.

  • XTX Topco held 16,808 shares of Sera Prognostics worth $30.6K as of Q2 2026.
  • XTX Topco bought 317 Sera Prognostics shares in Q2 2026, an estimated $629.
  • Sera Prognostics made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3823 holding.
  • XTX Topco first reported a position in Sera Prognostics in Q1 2025 and has held it in 3 quarters since.
  • XTX Topco's Sera Prognostics position peaked at $38.6K in Q1 2025.
  • 46 funds tracked by Wall St. Rank held Sera Prognostics as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.