Jane Street’s MacroGenics MGNX Stock Holding History

Jane Street’s Portfolio MGNX Stock Details MGNX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q4	–	Sell	-20,900	Closed	-$68.8K	–	10110
2024 Q3	$68.8K	Sell	20,900 -600	-3%	-$2.34K	﹤0.01%	9105
2024 Q2	$91.4K	Sell	21,500 -18,300	-46%	-$178K	﹤0.01%	8762
2024 Q1	$586K	Buy	+39,800	New	+$602K	﹤0.01%	6375
2022 Q1	–	Sell	-28,800	Closed	-$462K	–	10743
2021 Q4	$462K	Buy	28,800 +11,800	+69%	+$222K	﹤0.01%	7422
2021 Q3	$356K	Sell	17,000 -9,300	-35%	-$224K	﹤0.01%	7862
2021 Q2	$706K	Buy	26,300 +500	+2%	+$14.6K	﹤0.01%	6574
2021 Q1	$822K	Buy	25,800 +6,500	+34%	+$158K	﹤0.01%	5840
2020 Q4	$441K	Sell	19,300 -7,000	-27%	-$161K	﹤0.01%	5920
2020 Q3	$662K	Buy	26,300 +15,200	+137%	+$415K	﹤0.01%	4743
2020 Q2	$310K	Buy	+11,100	New	+$193K	﹤0.01%	5786

Other funds holding MGNX

Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Jane Street's MGNX Position: Q1 2026 in Review

Jane Street reduced its MacroGenics (MGNX) stake by 52% in Q1 2026, selling an estimated $1.38M and leaving 608,509 shares worth $1.76M. The position accounts for ﹤0.01% of the portfolio, ranked #5341.

Jane Street first reported a position in MGNX in Q2 2014 and has held it in 26 quarters since. The position peaked at $5.57M in Q1 2024. 109 funds tracked by Wall St. Rank hold MGNX as of Q1 2026.

Jane Street held 608,509 shares of MacroGenics worth $1.76M as of Q1 2026.
Jane Street sold 646,414 MacroGenics shares in Q1 2026, an estimated $1.38M.
MacroGenics made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5341 holding.
Jane Street first reported a position in MacroGenics in Q2 2014 and has held it in 26 quarters since.
Jane Street's MacroGenics position peaked at $5.57M in Q1 2024.
109 funds tracked by Wall St. Rank held MacroGenics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.