AllianceBernstein
XFOR icon

AllianceBernstein’s X4 Pharmaceuticals XFOR Stock Holding History

AllianceBernstein’s Portfolio XFOR Stock Details XFOR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$60.2K Buy
+14,580
New +$59.8K ﹤0.01% 3287
2025
Q2 		– Sell
-3,652
Closed -$25.9K – 3345
2025
Q1 		$25.9K Hold
3,652
– – ﹤0.01% 3173
2024
Q4 		$80.4K Hold
3,652
– – ﹤0.01% 3144
2024
Q3 		$73.3K Hold
3,652
– – ﹤0.01% 3160
2024
Q2 		$63.6K Buy
3,652
+2,129
+140% +$69.6K ﹤0.01% 3171
2024
Q1 		$63.5K Hold
1,523
– – ﹤0.01% 3070
2023
Q4 		$38.3K Hold
1,523
– – ﹤0.01% 3150
2023
Q3 		$49.8K Sell
1,523
-657
-30% -$28.7K ﹤0.01% 3140
2023
Q2 		$127K Buy
+2,180
New +$112K ﹤0.01% 3057

Other funds holding XFOR

Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
SVCM
Saturn V Capital Management Austin, Texas $697M AUM 628.57% 1-Year Est. Return
EAM
Empery Asset Management New York $86.5M AUM
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AllianceBernstein's XFOR Position: Q2 2026 in Review

AllianceBernstein opened a new position in X4 Pharmaceuticals (XFOR) in Q2 2026: 14,580 shares worth $60.2K. The stake represents ﹤0.01% of the portfolio and ranks #3287 among its holdings. This is a return to the name: AllianceBernstein previously reported a position in XFOR as recently as Q1 2025.

AllianceBernstein first reported a position in XFOR in Q2 2023 and has held it in 9 quarters since. The position peaked at $127K in Q2 2023. 89 funds tracked by Wall St. Rank hold XFOR as of Q2 2026.

  • AllianceBernstein held 14,580 shares of X4 Pharmaceuticals worth $60.2K as of Q2 2026.
  • X4 Pharmaceuticals was a new AllianceBernstein position in Q2 2026.
  • X4 Pharmaceuticals made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #3287 holding.
  • AllianceBernstein first reported a position in X4 Pharmaceuticals in Q2 2023 and has held it in 9 quarters since.
  • AllianceBernstein's X4 Pharmaceuticals position peaked at $127K in Q2 2023.
  • 89 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2026.

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