American Century Companies
XBIT icon

American Century Companies’s XBiotech XBIT Stock Holding History

American Century Companies’s Portfolio XBIT Stock Details XBIT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$44.4K Hold
18,881
– – ﹤0.01% 2814
2025
Q4 		$45.1K Hold
18,881
– – ﹤0.01% 2797
2025
Q3 		$50.2K Sell
18,881
-6,995
-27% -$20.7K ﹤0.01% 2773
2025
Q2 		$76.9K Sell
25,876
-75,782
-75% -$220K ﹤0.01% 2809
2025
Q1 		$329K Sell
101,658
-22,587
-18% -$77.9K ﹤0.01% 2643
2024
Q4 		$491K Sell
124,245
-5,938
-5% -$40.5K ﹤0.01% 2511
2024
Q3 		$1.01M Buy
130,183
+53,723
+70% +$353K ﹤0.01% 2231
2024
Q2 		$393K Buy
+76,460
New +$590K ﹤0.01% 2524

Other funds holding XBIT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RC
RBF Capital San Francisco, California $2.05B AUM 29.64% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

American Century Companies's XBIT Position: Q1 2026 in Review

American Century Companies held its XBiotech (XBIT) position steady in Q1 2026 at 18,881 shares worth $44.4K. The position accounts for ﹤0.01% of the portfolio, ranked #2814.

American Century Companies first reported a position in XBIT in Q2 2024 and has held it in 8 quarters since. The position peaked at $1.01M in Q3 2024. 37 funds tracked by Wall St. Rank hold XBIT as of Q1 2026.

  • American Century Companies held 18,881 shares of XBiotech worth $44.4K as of Q1 2026.
  • American Century Companies left its XBiotech share count unchanged in Q1 2026.
  • XBiotech made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2814 holding.
  • American Century Companies first reported a position in XBiotech in Q2 2024 and has held it in 8 quarters since.
  • American Century Companies's XBiotech position peaked at $1.01M in Q3 2024.
  • 37 funds tracked by Wall St. Rank held XBiotech as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.