Horizon Kinetics Asset Management’s Ionis Pharmaceuticals IONS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$858K	Sell	11,428 -524	-4%	-$41.4K	0.01%	176
2025 Q4	$946K	Sell	11,952 -524	-4%	-$39.5K	0.01%	169
2025 Q3	$816K	Buy	12,476 +524	+4%	+$25.6K	0.01%	187
2025 Q2	$472K	Sell	11,952 -524	-4%	-$17.1K	0.01%	247
2025 Q1	$376K	Hold	12,476	–	–	﹤0.01%	257
2024 Q4	$436K	Buy	12,476 +524	+4%	+$19.6K	0.01%	246
2024 Q3	$479K	Sell	11,952 -524	-4%	-$24.4K	0.01%	239
2024 Q2	$595K	Hold	12,476	–	–	0.01%	204
2024 Q1	$541K	Hold	12,476	–	–	0.01%	209
2023 Q4	$631K	Sell	12,476 -524	-4%	-$25.1K	0.01%	195
2023 Q3	$590K	Hold	13,000	–	–	0.01%	200
2023 Q2	$533K	Hold	13,000	–	–	0.01%	214
2023 Q1	$465K	Buy	13,000 +5,000	+63%	+$188K	0.01%	222
2022 Q4	$302K	Hold	8,000	–	–	0.01%	255
2022 Q3	$354K	Hold	8,000	–	–	0.01%	243
2022 Q2	$296K	Hold	8,000	–	–	0.01%	275
2022 Q1	$296K	Hold	8,000	–	–	0.01%	285
2021 Q4	$243K	Hold	8,000	–	–	0.01%	311
2021 Q3	$268K	Hold	8,000	–	–	0.01%	299
2021 Q2	$319K	Hold	8,000	–	–	0.01%	290
2021 Q1	$360K	Sell	8,000 -1,000	-11%	-$55.8K	0.01%	266
2020 Q4	$509K	Sell	9,000 -4,000	-31%	-$199K	0.02%	235
2020 Q3	$617K	Hold	13,000	–	–	0.02%	218
2020 Q2	$766K	Buy	13,000 +1,000	+8%	+$55.6K	0.03%	184
2020 Q1	$567K	Sell	12,000 -200	-2%	-$11.1K	0.03%	200
2019 Q4	$737K	Hold	12,200	–	–	0.02%	203
2019 Q3	$731K	Hold	12,200	–	–	0.02%	209
2019 Q2	$784K	Hold	12,200	–	–	0.02%	207
2019 Q1	$990K	Buy	+12,200	New	+$787K	0.03%	174