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
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 $17.4B AUM 131.5% 1-Year Est. Return
WCA
Whetstone Capital Advisors Shawnee Mission, Kansas $288M AUM 44.06% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
PR
PSP Research Newtown Square, Pennsylvania $188M AUM
VC
Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $57.3B AUM 18.32% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SMH
Sanders Morris Harris Houston, Texas $172M AUM 22.54% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

XTX Topco's SERA Position: Q1 2026 in Review

XTX Topco opened a new position in Sera Prognostics (SERA) in Q1 2026: 16,491 shares worth $33.5K. The stake represents ﹤0.01% of the portfolio and ranks #3427 among its holdings. This is a return to the name: XTX Topco previously reported a position in SERA as recently as Q1 2025.

XTX Topco first reported a position in SERA in Q1 2025 and has held it in 2 quarters since. The position peaked at $38.6K in Q1 2025. 56 funds tracked by Wall St. Rank hold SERA as of Q1 2026.

  • XTX Topco held 16,491 shares of Sera Prognostics worth $33.5K as of Q1 2026.
  • Sera Prognostics was a new XTX Topco position in Q1 2026.
  • Sera Prognostics made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3427 holding.
  • XTX Topco first reported a position in Sera Prognostics in Q1 2025 and has held it in 2 quarters since.
  • XTX Topco's Sera Prognostics position peaked at $38.6K in Q1 2025.
  • 56 funds tracked by Wall St. Rank held Sera Prognostics as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.