Citadel Advisors
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Citadel Advisors’s Xencor XNCR Stock Holding History

Citadel Advisors’s Portfolio XNCR Stock Details XNCR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-3,400
Closed -$36.2K – 15409
2025
Q1 		$36.2K Buy
3,400
+1,700
+100% +$28.1K ﹤0.01% 12632
2024
Q4 		$39.1K Sell
1,700
-800
-32% -$18.4K ﹤0.01% 12631
2024
Q3 		$50.3K Sell
2,500
-1,400
-36% -$26.3K ﹤0.01% 11911
2024
Q2 		$73.8K Buy
3,900
+1,700
+77% +$36.5K ﹤0.01% 11309
2024
Q1 		$48.7K Buy
2,200
+400
+22% +$8.64K ﹤0.01% 12196
2023
Q4 		$38.2K Buy
1,800
+1,300
+260% +$24.7K ﹤0.01% 12051
2023
Q3 		$10.1K Sell
500
-800
-62% -$18.2K ﹤0.01% 13091
2023
Q2 		$32.5K Hold
1,300
– – ﹤0.01% 12274
2023
Q1 		$36.3K Buy
1,300
+1,100
+550% +$33.9K ﹤0.01% 12548
2022
Q4 		$5.21K Buy
+200
New +$5.59K ﹤0.01% 14026
2022
Q1 		– Sell
-10,200
Closed -$409K – 14723
2021
Q4 		$409K Buy
+10,200
New +$387K ﹤0.01% 10161
2021
Q1 		– Sell
-9,900
Closed -$432K – 13795
2020
Q4 		$432K Buy
+9,900
New +$409K ﹤0.01% 8412
2020
Q3 		– Sell
-6,300
Closed -$204K – 10839
2020
Q2 		$204K Buy
+6,300
New +$193K ﹤0.01% 8504
2019
Q3 		– Sell
-5,500
Closed -$225K – 9831
2019
Q2 		$225K Sell
5,500
-3,400
-38% -$112K ﹤0.01% 8025
2019
Q1 		$276K Buy
8,900
+1,800
+25% +$59.9K ﹤0.01% 7736
2018
Q4 		$257K Sell
7,100
-200
-3% -$7.34K ﹤0.01% 7504
2018
Q3 		$284K Buy
7,300
+1,400
+24% +$57.1K ﹤0.01% 7658
2018
Q2 		$218K Buy
+5,900
New +$203K ﹤0.01% 7753
2015
Q4 		– Sell
-100
Closed -$1K – 9277
2015
Q3 		$1K Sell
100
-500
-83% -$9.79K ﹤0.01% 8792
2015
Q2 		$13K Buy
+600
New +$10.2K ﹤0.01% 8334

Other funds holding XNCR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Citadel Advisors's XNCR Position: Q1 2026 in Review

Citadel Advisors increased its Xencor (XNCR) stake by 17% in Q1 2026, buying an estimated $694K and bringing the position to 377,699 shares worth $4.56M. The position accounts for ﹤0.01% of the portfolio, ranked #4495.

Citadel Advisors first reported a position in XNCR in Q1 2015 and has held it in 35 quarters since. The position peaked at $11.2M in Q3 2024. 203 funds tracked by Wall St. Rank hold XNCR as of Q1 2026.

  • Citadel Advisors held 377,699 shares of Xencor worth $4.56M as of Q1 2026.
  • Citadel Advisors bought 55,891 Xencor shares in Q1 2026, an estimated $694K.
  • Xencor made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4495 holding.
  • Citadel Advisors first reported a position in Xencor in Q1 2015 and has held it in 35 quarters since.
  • Citadel Advisors's Xencor position peaked at $11.2M in Q3 2024.
  • 203 funds tracked by Wall St. Rank held Xencor as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.