EcoR1 Capital’s Xencor XNCR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | – | Sell |
-2,183,000
| Closed | -$26.3M | – | 41 |
|
|
2026
Q1 | $26.3M | Sell |
2,183,000
-1,068,112
| -33% | -$13.3M | 1.12% | 12 |
|
|
2025
Q4 | $49.8M | Sell |
3,251,112
-2,893,655
| -47% | -$43.2M | 2.26% | 11 |
|
|
2025
Q3 | $72.1M | Hold |
6,144,767
| – | – | 3.46% | 10 |
|
|
2025
Q2 | $48.3M | Hold |
6,144,767
| – | – | 2.86% | 10 |
|
|
2025
Q1 | $65.4M | Hold |
6,144,767
| – | – | 3.88% | 8 |
|
|
2024
Q4 | $141M | Buy |
6,144,767
+814,351
| +15% | +$18.7M | 5.34% | 6 |
|
|
2024
Q3 | $107M | Hold |
5,330,416
| – | – | 3.67% | 9 |
|
|
2024
Q2 | $101M | Hold |
5,330,416
| – | – | 3.09% | 13 |
|
|
2024
Q1 | $118M | Buy |
5,330,416
+47,900
| +0.9% | +$1.03M | 2.98% | 11 |
|
|
2023
Q4 | $112M | Hold |
5,282,516
| – | – | 2.91% | 12 |
|
|
2023
Q3 | $106M | Hold |
5,282,516
| – | – | 3.59% | 9 |
|
|
2023
Q2 | $132M | Hold |
5,282,516
| – | – | 3.23% | 10 |
|
|
2023
Q1 | $147M | Hold |
5,282,516
| – | – | 4.74% | 6 |
|
|
2022
Q4 | $138M | Hold |
5,282,516
| – | – | 4.19% | 6 |
|
|
2022
Q3 | $137M | Buy |
5,282,516
+100
| +0% | +$2.86K | 4.05% | 6 |
|
|
2022
Q2 | $145M | Buy |
5,282,416
+313,660
| +6% | +$7.74M | 4.99% | 7 |
|
|
2022
Q1 | $133M | Buy |
4,968,756
+62,650
| +1% | +$2.02M | 4.15% | 8 |
|
|
2021
Q4 | $197M | Hold |
4,906,106
| – | – | 6.27% | 4 |
|
|
2021
Q3 | $160M | Hold |
4,906,106
| – | – | 5.57% | 5 |
|
|
2021
Q2 | $169M | Buy |
4,906,106
+5,800
| +0.1% | +$230K | 6.32% | 4 |
|
|
2021
Q1 | $211M | Buy |
4,900,306
+353,234
| +8% | +$16.7M | 9.36% | 2 |
|
|
2020
Q4 | $198M | Hold |
4,547,072
| – | – | 10.67% | 1 |
|
|
2020
Q3 | $176M | Hold |
4,547,072
| – | – | 12.58% | 1 |
|
|
2020
Q2 | $147M | Buy |
4,547,072
+2,045,515
| +82% | +$62.7M | 10.88% | 1 |
|
|
2020
Q1 | $74.7M | Hold |
2,501,557
| – | – | 7.81% | 2 |
|
|
2019
Q4 | $86M | Hold |
2,501,557
| – | – | 7.75% | 2 |
|
|
2019
Q3 | $84.4M | Buy |
2,501,557
+165,000
| +7% | +$6.59M | 10.66% | 1 |
|
|
2019
Q2 | $95.6M | Buy |
2,336,557
+277,128
| +13% | +$9.1M | 9.66% | 2 |
|
|
2019
Q1 | $64M | Buy |
2,059,429
+1,070,411
| +108% | +$35.6M | 5.9% | 5 |
|
|
2018
Q4 | $35.8M | Buy |
+989,018
| New | +$36.3M | 3.58% | 10 |
|
|
2018
Q1 | – | Sell |
-112,976
| Closed | -$2.48M | – | 36 |
|
|
2017
Q4 | $2.48M | Buy |
112,976
+22,862
| +25% | +$496K | 0.28% | 28 |
|
|
2017
Q3 | $2.06M | Buy |
+90,114
| New | +$2M | 0.28% | 32 |
|
|
2017
Q2 | – | Sell |
-234,813
| Closed | -$5.62M | – | 40 |
|
|
2017
Q1 | $5.62M | Sell |
234,813
-140,187
| -37% | -$3.38M | 1.42% | 16 |
|
|
2016
Q4 | $9.87M | Buy |
+375,000
| New | +$9.02M | 3.14% | 14 |
|
|
2016
Q3 | – | Sell |
-168,000
| Closed | -$3.19M | – | 37 |
|
|
2016
Q2 | $3.19M | Buy |
+168,000
| New | +$2.3M | 1.26% | 22 |
|
Other funds holding XNCR
BI
RI
RCM
TCM
EcoR1 Capital's XNCR Position: Q2 2026 in Review
EcoR1 Capital sold out of Xencor (XNCR) in Q2 2026, closing a stake of 2,183,000 shares — an estimated $26.3M sold.
EcoR1 Capital first reported a position in XNCR in Q2 2016 and held it in 35 quarters. The position peaked at $211M in Q1 2021. 208 funds tracked by Wall St. Rank hold XNCR as of Q2 2026.
- EcoR1 Capital reported no remaining Xencor position as of Q2 2026 after selling out during the quarter.
- EcoR1 Capital sold 2,183,000 Xencor shares in Q2 2026, an estimated $26.3M.
- EcoR1 Capital first reported a position in Xencor in Q2 2016 and held it in 35 quarters.
- EcoR1 Capital's Xencor position peaked at $211M in Q1 2021.
- 208 funds tracked by Wall St. Rank held Xencor as of Q2 2026.
Based on EcoR1 Capital's 13F filing for Q2 2026, filed 14 Aug 2026.