XT
BOLD

XTX Topco’s Boundless Bio BOLD Stock Holding History

XTX Topco’s Portfolio BOLD Stock Details BOLD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$38.1K Sell
34,671
-4,906
-12% -$5.74K ﹤0.01% 3399
2025
Q4 		$47.5K Buy
39,577
+10,496
+36% +$13.1K ﹤0.01% 2851
2025
Q3 		$35.8K Sell
29,081
-10,983
-27% -$12.7K ﹤0.01% 2232
2025
Q2 		$40.5K Buy
40,064
+14,147
+55% +$18.8K ﹤0.01% 2058
2025
Q1 		$39.1K Buy
+25,917
New +$53.7K ﹤0.01% 2030

Other funds holding BOLD

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
SAM
Sectoral Asset Management Montreal, Quebec, Canada $121M AUM 73.47% 1-Year Est. Return
SCM
Stonepine Capital Management Bend, Oregon $250M AUM 77.6% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
RC
RBF Capital San Francisco, California $2.05B AUM 29.64% 1-Year Est. Return
Ensign Peak Advisors
Ensign Peak Advisors Salt Lake City, Utah $53.7B AUM 29.47% 1-Year Est. Return

XTX Topco's BOLD Position: Q1 2026 in Review

XTX Topco reduced its Boundless Bio (BOLD) stake by 12% in Q1 2026, selling an estimated $5.74K and leaving 34,671 shares worth $38.1K. The position accounts for ﹤0.01% of the portfolio, ranked #3399.

XTX Topco first reported a position in BOLD in Q1 2025 and has held it in 5 quarters since. The position peaked at $47.5K in Q4 2025. 36 funds tracked by Wall St. Rank hold BOLD as of Q1 2026.

  • XTX Topco held 34,671 shares of Boundless Bio worth $38.1K as of Q1 2026.
  • XTX Topco sold 4,906 Boundless Bio shares in Q1 2026, an estimated $5.74K.
  • Boundless Bio made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3399 holding.
  • XTX Topco first reported a position in Boundless Bio in Q1 2025 and has held it in 5 quarters since.
  • XTX Topco's Boundless Bio position peaked at $47.5K in Q4 2025.
  • 36 funds tracked by Wall St. Rank held Boundless Bio as of Q1 2026.

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