Teacher Retirement System Of Texas Ionis Pharmaceuticals Inc Transaction History

Teacher Retirement System Of Texas

$23.6 Billion
Q3 2025

A detailed history of Teacher Retirement System Of Texas transactions in Ionis Pharmaceuticals Inc stock. As of the latest transaction made, Teacher Retirement System Of Texas holds 473,945 shares of IONS stock, worth $33.9 Million. This represents 0.13% of its overall portfolio holdings.

Number of Shares

473,945

Previous 668,273 29.08%

Holding current value

$33.9 Million

Previous $26.4 Million 17.43%

% of portfolio

0.13%

Previous 0.12%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Oct 30, 2025	SELL	$39.94 - $65.42 $7.76 Million - $12.7 Million	-194,328 Reduced 29.08%	473,945 $31 Million
Q2 2025 Aug 01, 2025	BUY	$25.51 - $40.0 $4.28 Million - $6.71 Million	167,822 Added 33.53%	668,273 $26.4 Million
Q1 2025 Apr 28, 2025	BUY	$30.17 - $34.97 $13.1 Million - $15.2 Million	434,659 Added 660.66%	500,451 $15.1 Million
Q4 2024 Feb 11, 2025	BUY	$33.73 - $40.36 $306,706 - $366,993	9,093 Added 16.04%	65,792 $2.3 Million
Q3 2024 Nov 13, 2024	BUY	$40.06 - $51.86 $166,128 - $215,063	4,147 Added 7.89%	56,699 $2.27 Million

Q2 2024 Aug 09, 2024	BUY	$36.45 - $47.7 $868,093 - $1.14 Million	23,816 Added 82.88%	52,552 $2.51 Million
Q1 2024 May 06, 2024	SELL	$42.03 - $53.55 $46,569 - $59,333	-1,108 Reduced 3.71%	28,736 $1.25 Million
Q4 2023 Feb 07, 2024	SELL	$43.39 - $51.63 $292,188 - $347,676	-6,734 Reduced 18.41%	29,844 $1.51 Million
Q3 2023 Oct 31, 2023	BUY	$38.5 - $47.13 $64,487 - $78,942	1,675 Added 4.8%	36,578 $1.66 Million
Q2 2023 Jul 19, 2023	SELL	$34.73 - $43.33 $155,590 - $194,118	-4,480 Reduced 11.38%	34,903 $1.43 Million
Q1 2023 May 12, 2023	BUY	$33.58 - $41.2 $33,747 - $41,406	1,005 Added 2.62%	39,383 $1.41 Million
Q4 2022 Feb 10, 2023	SELL	$37.12 - $46.52 $128,657 - $161,238	-3,466 Reduced 8.28%	38,378 $1.45 Million
Q3 2022 Nov 03, 2022	BUY	$36.54 - $48.66 $788,496 - $1.05 Million	21,579 Added 106.48%	41,844 $1.85 Million
Q2 2022 Aug 09, 2022	SELL	$31.71 - $43.0 $188,579 - $255,721	-5,947 Reduced 22.69%	20,265 $750,000
Q1 2022 May 09, 2022	BUY	$29.88 - $37.04 $52,529 - $65,116	1,758 Added 7.19%	26,212 $971,000
Q4 2021 Feb 10, 2022	BUY	$25.61 - $35.1 $120,213 - $164,759	4,694 Added 23.76%	24,454 $744,000
Q3 2021 Nov 09, 2021	BUY	$33.54 - $40.55 $75,196 - $90,913	2,242 Added 12.8%	19,760 $663,000
Q2 2021 Aug 05, 2021	SELL	$34.54 - $47.25 $360,528 - $493,195	-10,438 Reduced 37.34%	17,518 $699,000
Q1 2021 May 11, 2021	BUY	$42.51 - $63.78 $90,418 - $135,660	2,127 Added 8.23%	27,956 $1.26 Million
Q4 2020 Feb 11, 2021	BUY	$45.3 - $60.27 $147,225 - $195,877	3,250 Added 14.39%	25,829 $1.46 Million
Q3 2020 Nov 02, 2020	BUY	$47.45 - $62.95 $201,567 - $267,411	4,248 Added 23.17%	22,579 $1.07 Million
Q2 2020 Aug 11, 2020	BUY	$46.85 - $61.05 $131,273 - $171,062	2,802 Added 18.04%	18,331 $1.08 Million
Q1 2020 May 05, 2020	SELL	$41.6 - $63.4 $2.53 Million - $3.86 Million	-60,829 Reduced 79.66%	15,529 $734,000
Q4 2019 Feb 06, 2020	BUY	$53.85 - $65.27 $3.26 Million - $3.96 Million	60,629 Added 385.46%	76,358 $4.61 Million
Q3 2019 Oct 28, 2019	SELL	$59.06 - $72.15 $225,254 - $275,180	-3,814 Reduced 19.52%	15,729 $942,000
Q2 2019 Aug 05, 2019	BUY	$62.09 - $86.14 $1.21 Million - $1.68 Million	19,543 New	19,543 $1.26 Million
Q4 2018 Mar 04, 2019	SELL	$43.37 - $59.54 $640,965 - $879,941	-14,779 Closed	0 $0
Q3 2018 Nov 09, 2018	SELL	$42.88 - $53.7 $451,569 - $565,514	-10,531 Reduced 41.61%	14,779 $762,000
Q2 2018 Aug 06, 2018	SELL	$40.53 - $50.7 $91,233 - $114,125	-2,251 Reduced 8.17%	25,310 $1.06 Million
Q1 2018 May 08, 2018	SELL	$44.08 - $55.05 $640,173 - $799,491	-14,523 Reduced 34.51%	27,561 $1.22 Million
Q4 2017 Feb 06, 2018	BUY	$50.3 - $64.39 $1.6 Million - $2.05 Million	31,832 Added 310.5%	42,084 $2.12 Million
Q3 2017 Nov 06, 2017	BUY	$45.56 - $59.57 $467,081 - $610,711	10,252	10,252 $520,000

Others Institutions Holding IONS

# of Institutions

508

Shares Held

155M

Call Options Held

2.69M

Put Options Held

1.03M

View Full List

About IONIS PHARMACEUTICALS INC

Ticker IONS
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 141,940,992
Market Cap $10.2B
Description
Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for famil...

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Teacher Retirement System Of Texas Ionis Pharmaceuticals Inc Transaction History