Baker Bros. Advisors’s Xencor XNCR Stock Holding History

Baker Bros. 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
2026 Q1	$13.3M	Hold	1,102,106	–	–	0.08%	63
2025 Q4	$16.9M	Hold	1,102,106	–	–	0.1%	57
2025 Q3	$12.9M	Buy	1,102,106 +431,675	+64%	+$3.75M	0.09%	59
2025 Q2	$5.27M	Hold	670,431	–	–	0.05%	67
2025 Q1	$7.13M	Hold	670,431	–	–	0.08%	52
2024 Q4	$15.4M	Hold	670,431	–	–	0.16%	46
2024 Q3	$13.5M	Buy	670,431 +125,000	+23%	+$2.35M	0.14%	49
2024 Q2	$10.3M	Hold	545,431	–	–	0.13%	46
2024 Q1	$12.1M	Buy	545,431 +300,000	+122%	+$6.48M	0.15%	45
2023 Q4	$5.21M	Buy	245,431 +122,304	+99%	+$2.33M	0.06%	62
2023 Q3	$2.48M	Hold	123,127	–	–	0.01%	80
2023 Q2	$3.07M	Hold	123,127	–	–	0.02%	87
2023 Q1	$3.43M	Hold	123,127	–	–	0.02%	79
2022 Q4	$3.21M	Buy	+123,127	New	+$3.44M	0.02%	87
2021 Q2	–	Sell	-369,370	Closed	-$15.9M	–	129
2021 Q1	$15.9M	Hold	369,370	–	–	0.07%	64
2020 Q4	$16.1M	Sell	369,370 -40,772	-10%	-$1.69M	0.06%	63
2020 Q3	$15.9M	Sell	410,142 -17,978	-4%	-$625K	0.06%	59
2020 Q2	$13.9M	Hold	428,120	–	–	0.06%	53
2020 Q1	$12.8M	Hold	428,120	–	–	0.08%	46
2019 Q4	$14.7M	Hold	428,120	–	–	0.08%	50
2019 Q3	$14.4M	Hold	428,120	–	–	0.1%	44
2019 Q2	$17.5M	Hold	428,120	–	–	0.12%	40
2019 Q1	$13.3M	Sell	428,120 -12,066	-3%	-$401K	0.09%	44
2018 Q4	$15.9M	Sell	440,186 -162,309	-27%	-$5.96M	0.13%	38
2018 Q3	$23.5M	Sell	602,495 -269,577	-31%	-$11M	0.15%	36
2018 Q2	$32.3M	Hold	872,072	–	–	0.24%	31
2018 Q1	$26.1M	Hold	872,072	–	–	0.22%	37
2017 Q4	$19.1M	Hold	872,072	–	–	0.17%	45
2017 Q3	$20M	Hold	872,072	–	–	0.16%	41
2017 Q2	$18.4M	Hold	872,072	–	–	0.16%	32
2017 Q1	$20.9M	Hold	872,072	–	–	0.17%	34
2016 Q4	$23M	Hold	872,072	–	–	0.23%	31
2016 Q3	$21.4M	Hold	872,072	–	–	0.19%	31
2016 Q2	$16.6M	Hold	872,072	–	–	0.17%	37
2016 Q1	$11.7M	Hold	872,072	–	–	0.12%	52
2015 Q4	$12.8M	Hold	872,072	–	–	0.11%	59
2015 Q3	$10.7M	Hold	872,072	–	–	0.1%	60
2015 Q2	$19.2M	Hold	872,072	–	–	0.17%	47
2015 Q1	$13.4M	Buy	872,072 +280,701	+47%	+$4.43M	0.11%	54
2014 Q4	$9.49M	Buy	591,371 +49,008	+9%	+$568K	0.1%	49
2014 Q3	$5.05M	Hold	542,363	–	–	0.06%	63
2014 Q2	$6.3M	Hold	542,363	–	–	0.08%	62
2014 Q1	$6.36M	Sell	542,363 -7,637	-1%	-$80.2K	0.08%	65
2013 Q4	$5.03M	Buy	+550,000	New	+$4.72M	0.07%	63

Other funds holding XNCR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return

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 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

EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Baker Bros. Advisors's XNCR Position: Q1 2026 in Review

Baker Bros. Advisors held its Xencor (XNCR) position steady in Q1 2026 at 1,102,106 shares worth $13.3M. The position accounts for 0.08% of the portfolio, ranked #63.

Baker Bros. Advisors first reported a position in XNCR in Q4 2013 and has held it in 44 quarters since. The position peaked at $32.3M in Q2 2018. 203 funds tracked by Wall St. Rank hold XNCR as of Q1 2026.

Baker Bros. Advisors held 1,102,106 shares of Xencor worth $13.3M as of Q1 2026.
Baker Bros. Advisors left its Xencor share count unchanged in Q1 2026.
Xencor made up 0.08% of Baker Bros. Advisors's portfolio in Q1 2026, its #63 holding.
Baker Bros. Advisors first reported a position in Xencor in Q4 2013 and has held it in 44 quarters since.
Baker Bros. Advisors's Xencor position peaked at $32.3M in Q2 2018.
203 funds tracked by Wall St. Rank held Xencor as of Q1 2026.

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