Jim Simons’s Xencor XNCR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $226K | Sell |
18,723
-15,435
| -45% | -$192K | ﹤0.01% | 2886 |
|
|
2025
Q4 | $523K | Sell |
34,158
-156,231
| -82% | -$2.33M | ﹤0.01% | 2561 |
|
|
2025
Q3 | $2.23M | Buy |
190,389
+134,789
| +242% | +$1.17M | ﹤0.01% | 1994 |
|
|
2025
Q2 | $437K | Sell |
55,600
-96,800
| -64% | -$869K | ﹤0.01% | 2906 |
|
|
2025
Q1 | $1.62M | Buy |
+152,400
| New | +$2.52M | ﹤0.01% | 2129 |
|
|
2024
Q3 | – | Sell |
-65,323
| Closed | -$1.24M | – | 3948 |
|
|
2024
Q2 | $1.24M | Buy |
65,323
+21,723
| +50% | +$467K | ﹤0.01% | 2200 |
|
|
2024
Q1 | $965K | Sell |
43,600
-136,700
| -76% | -$2.95M | ﹤0.01% | 2511 |
|
|
2023
Q4 | $3.83M | Buy |
180,300
+136,000
| +307% | +$2.59M | 0.01% | 1518 |
|
|
2023
Q3 | $893K | Sell |
44,300
-83,973
| -65% | -$1.91M | ﹤0.01% | 2379 |
|
|
2023
Q2 | $3.2M | Buy |
128,273
+16,273
| +15% | +$443K | ﹤0.01% | 1686 |
|
|
2023
Q1 | $3.12M | Buy |
112,000
+8,700
| +8% | +$268K | ﹤0.01% | 1752 |
|
|
2022
Q4 | $2.69M | Sell |
103,300
-10,700
| -9% | -$299K | ﹤0.01% | 1899 |
|
|
2022
Q3 | $2.96M | Sell |
114,000
-34,800
| -23% | -$997K | ﹤0.01% | 1769 |
|
|
2022
Q2 | $4.07M | Sell |
148,800
-86,100
| -37% | -$2.12M | ﹤0.01% | 1709 |
|
|
2022
Q1 | $6.27M | Buy |
+234,900
| New | +$7.58M | 0.01% | 1427 |
|
|
2021
Q4 | – | Sell |
-58,200
| Closed | -$1.9M | – | 4271 |
|
|
2021
Q3 | $1.9M | Sell |
58,200
-80,900
| -58% | -$2.66M | ﹤0.01% | 2131 |
|
|
2021
Q2 | $4.8M | Buy |
139,100
+66,800
| +92% | +$2.65M | 0.01% | 1661 |
|
|
2021
Q1 | $3.11M | Buy |
72,300
+64,256
| +799% | +$3.04M | ﹤0.01% | 1940 |
|
|
2020
Q4 | $351K | Buy |
+8,044
| New | +$333K | ﹤0.01% | 2980 |
|
|
2019
Q3 | – | Sell |
-30,500
| Closed | -$1.25M | – | 3754 |
|
|
2019
Q2 | $1.25M | Buy |
30,500
+17,000
| +126% | +$558K | ﹤0.01% | 2588 |
|
|
2019
Q1 | $419K | Buy |
+13,500
| New | +$449K | ﹤0.01% | 2991 |
|
|
2018
Q2 | – | Sell |
-55,600
| Closed | -$1.67M | – | 3572 |
|
|
2018
Q1 | $1.67M | Sell |
55,600
-100,400
| -64% | -$2.63M | ﹤0.01% | 2427 |
|
|
2017
Q4 | $3.42M | Buy |
156,000
+56,400
| +57% | +$1.22M | ﹤0.01% | 2041 |
|
|
2017
Q3 | $2.28M | Buy |
+99,600
| New | +$2.21M | ﹤0.01% | 2232 |
|
|
2017
Q2 | – | Sell |
-39,672
| Closed | -$949K | – | 3392 |
|
|
2017
Q1 | $949K | Buy |
+39,672
| New | +$956K | ﹤0.01% | 2558 |
|
|
2016
Q2 | – | Sell |
-97,100
| Closed | -$1.3M | – | 3533 |
|
|
2016
Q1 | $1.3M | Buy |
+97,100
| New | +$1.15M | ﹤0.01% | 2457 |
|
|
2015
Q4 | – | Sell |
-150,353
| Closed | -$1.84M | – | 3454 |
|
|
2015
Q3 | $1.84M | Buy |
+150,353
| New | +$2.94M | ﹤0.01% | 2050 |
|
Other funds holding XNCR
BI
RI
RCM
VPM
VCM
TCM
EC
Jim Simons's XNCR Position: Q1 2026 in Review
Jim Simons reduced its Xencor (XNCR) stake by 45% in Q1 2026, selling an estimated $192K and leaving 18,723 shares worth $226K. The position accounts for ﹤0.01% of the portfolio, ranked #2886.
Jim Simons first reported a position in XNCR in Q3 2015 and has held it in 27 quarters since. The position peaked at $6.27M in Q1 2022. 203 funds tracked by Wall St. Rank hold XNCR as of Q1 2026.
- Jim Simons held 18,723 shares of Xencor worth $226K as of Q1 2026.
- Jim Simons sold 15,435 Xencor shares in Q1 2026, an estimated $192K.
- Xencor made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2886 holding.
- Jim Simons first reported a position in Xencor in Q3 2015 and has held it in 27 quarters since.
- Jim Simons's Xencor position peaked at $6.27M in Q1 2022.
- 203 funds tracked by Wall St. Rank held Xencor as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.