Jeff Yass’s Xencor XNCR Stock Holding History

Jeff Yass’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
2020 Q4	–	Sell	-5,600	Closed	-$217K	–	11823
2020 Q3	$217K	Buy	+5,600	New	+$195K	﹤0.01%	9327
2020 Q2	–	Sell	-21,600	Closed	-$645K	–	11051
2020 Q1	$645K	Buy	21,600 +9,600	+80%	+$318K	﹤0.01%	6392
2019 Q4	$413K	Sell	12,000 -8,900	-43%	-$325K	﹤0.01%	7362
2019 Q3	$705K	Buy	+20,900	New	+$834K	﹤0.01%	6521
2019 Q1	–	Sell	-8,400	Closed	-$304K	–	9975
2018 Q4	$304K	Buy	8,400 +2,500	+42%	+$91.7K	﹤0.01%	6975
2018 Q3	$230K	Sell	5,900 -2,600	-31%	-$106K	﹤0.01%	7969
2018 Q2	$315K	Buy	+8,500	New	+$293K	﹤0.01%	7747
2016 Q4	–	Sell	-18,700	Closed	-$458K	–	10251
2016 Q3	$458K	Sell	18,700 -7,500	-29%	-$159K	﹤0.01%	6224
2016 Q2	$498K	Buy	26,200 +11,000	+72%	+$151K	﹤0.01%	6142
2016 Q1	$204K	Buy	+15,200	New	+$180K	﹤0.01%	7934

Other funds holding XNCR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jeff Yass's XNCR Position: Q2 2026 in Review

Jeff Yass increased its Xencor (XNCR) stake by 58% in Q2 2026, buying an estimated $204K and bringing the position to 44,403 shares worth $715K. The position accounts for ﹤0.01% of the portfolio, ranked #9052.

Jeff Yass first reported a position in XNCR in Q2 2014 and has held it in 35 quarters since. The position peaked at $2.1M in Q4 2021. 207 funds tracked by Wall St. Rank hold XNCR as of Q2 2026.

Jeff Yass held 44,403 shares of Xencor worth $715K as of Q2 2026.
Jeff Yass bought 16,364 Xencor shares in Q2 2026, an estimated $204K.
Xencor made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #9052 holding.
Jeff Yass first reported a position in Xencor in Q2 2014 and has held it in 35 quarters since.
Jeff Yass's Xencor position peaked at $2.1M in Q4 2021.
207 funds tracked by Wall St. Rank held Xencor as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.