Jim Simons Xenon Pharmaceuticals Inc. Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q2 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Xenon Pharmaceuticals Inc. stock. As of the latest transaction made, Renaissance Technologies LLC holds 8,600 shares of XENE stock, worth $362,662. This represents 0.0% of its overall portfolio holdings.

Number of Shares

8,600

Previous 154,700 94.44%

Holding current value

$362,662

Previous $5.19 Million 94.82%

% of portfolio

0.0%

Previous 0.01%

23 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 13, 2025	SELL	$28.23 - $38.37 $4.12 Million - $5.61 Million	-146,100 Reduced 94.44%	8,600 $269,000
Q1 2025 May 14, 2025	BUY	$33.55 - $40.74 $4.73 Million - $5.74 Million	141,000 Added 1029.2%	154,700 $5.19 Million
Q4 2024 Feb 13, 2025	SELL	$38.14 - $45.74 $1.16 Million - $1.39 Million	-30,300 Reduced 68.86%	13,700 $537,000
Q3 2024 Nov 13, 2024	SELL	$36.12 - $43.96 $1.77 Million - $2.15 Million	-48,900 Reduced 52.64%	44,000 $1.73 Million
Q2 2024 Aug 09, 2024	BUY	$36.25 - $43.75 $1.32 Million - $1.6 Million	36,500 Added 64.72%	92,900 $3.62 Million
Q1 2024 May 13, 2024	BUY	$42.66 - $50.04 $1.02 Million - $1.19 Million	23,800 Added 73.01%	56,400 $2.43 Million
Q4 2023 Feb 13, 2024	BUY	$28.7 - $46.46 $307,090 - $497,122	10,700 Added 48.86%	32,600 $1.5 Million
Q3 2023 Nov 14, 2023	BUY	$34.16 - $39.73 $748,103 - $870,086	21,900 New	21,900 $748,000
Q2 2022 Aug 12, 2022	SELL	$25.44 - $35.16 $3.84 Million - $5.3 Million	-150,777 Closed	0 $0
Q1 2022 May 13, 2022	SELL	$25.09 - $33.13 $5.77 Million - $7.62 Million	-230,100 Reduced 60.41%	150,777 $4.61 Million
Q4 2021 Feb 11, 2022	SELL	$15.6 - $35.4 $3.72 Million - $8.43 Million	-238,200 Reduced 38.48%	380,877 $11.9 Million
Q3 2021 Nov 12, 2021	SELL	$14.86 - $19.45 $578,054 - $756,605	-38,900 Reduced 5.91%	619,077 $9.46 Million
Q2 2021 Aug 13, 2021	SELL	$16.81 - $20.0 $588,350 - $700,000	-35,000 Reduced 5.05%	657,977 $12.3 Million
Q1 2021 May 13, 2021	SELL	$13.65 - $21.31 $1.05 Million - $1.64 Million	-77,000 Reduced 10.0%	692,977 $12.4 Million
Q4 2020 Feb 10, 2021	SELL	$9.49 - $16.04 $1.27 Million - $2.14 Million	-133,300 Reduced 14.76%	769,977 $11.8 Million
Q3 2020 Nov 13, 2020	SELL	$10.82 - $13.35 $1.43 Million - $1.76 Million	-132,000 Reduced 12.75%	903,277 $10 Million
Q2 2020 Aug 13, 2020	BUY	$10.21 - $14.9 $2.52 Million - $3.68 Million	247,200 Added 31.37%	1,035,277 $13 Million
Q1 2020 May 14, 2020	BUY	$8.08 - $17.57 $1.55 Million - $3.38 Million	192,400 Added 32.3%	788,077 $8.94 Million
Q4 2019 Feb 13, 2020	BUY	$8.11 - $14.65 $868,394 - $1.57 Million	107,077 Added 21.92%	595,677 $7.81 Million
Q3 2019 Nov 13, 2019	BUY	$8.74 - $10.51 $114,494 - $137,681	13,100 Added 2.75%	488,600 $4.4 Million
Q2 2019 Aug 12, 2019	BUY	$8.51 - $10.75 $27,232 - $34,400	3,200 Added 0.68%	475,500 $4.69 Million
Q1 2019 May 14, 2019	SELL	$6.39 - $10.42 $596,826 - $973,228	-93,400 Reduced 16.51%	472,300 $4.8 Million
Q4 2018 Feb 13, 2019	BUY	$5.61 - $12.62 $3.17 Million - $7.14 Million	565,700 New	565,700 $3.57 Million

Others Institutions Holding XENE

# of Institutions

221

Shares Held

72.7M

Call Options Held

336K

Put Options Held

309K

View Full List

About Xenon Pharmaceuticals Inc.

Ticker XENE
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 62,263,500
Market Cap $2.63B
Description
Xenon Pharmaceuticals Inc., a clinical-stage biopharmaceutical company, engages in developing therapeutics to treat patients with neurological disorders in Canada. Its clinical development pipeline includes XEN496, A Kv7 potassium channel opener that is Phase III clinical trials for the treatment of KCNQ2 developmental and epilepsy encephalopath...

More about XENE

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