Question 1

How many shares of IONS does CHARLES SCHWAB INVESTMENT MANAGEMENT INC own?

Accepted Answer

As of 2026-Q1, CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds 1.6M shares of IONS (IONIS PHARMACEUTICALS INC).

Question 2

What is CHARLES SCHWAB INVESTMENT MANAGEMENT INC's IONS position worth?

Accepted Answer

As of 2026-Q1, CHARLES SCHWAB INVESTMENT MANAGEMENT INC's IONS position is worth $118.9M.

Question 3

Is CHARLES SCHWAB INVESTMENT MANAGEMENT INC buying or selling IONS?

Accepted Answer

In 2026-Q1, CHARLES SCHWAB INVESTMENT MANAGEMENT INC increased their IONS position (+2.7% change in shares).

Question 4

When did CHARLES SCHWAB INVESTMENT MANAGEMENT INC first buy IONS?

Accepted Answer

Based on available 13F filings, CHARLES SCHWAB INVESTMENT MANAGEMENT INC first reported a position in IONS in 2018-Q4. They have held the position across 30 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	1.6M	+2.7%	$118.9M	0.0%	$78.66	31
2025-Q4	Increased	1.5M	+1.4%	$122M	0.0%	$78.97	30
2025-Q3	Increased	1.5M	+2.2%	$99.4M	0.0%	$64.15	31
2025-Q2	Increased	1.5M	+3.1%	$58.8M	0.0%	$39.80	30
2025-Q1	Decreased	1.4M	-2.5%	$43.6M	0.0%	$31.15	0
2024-Q4	Increased	1.5M	+2.7%	$51.8M	0.0%	$34.92	30
2024-Q3	Increased	1.4M	+8.7%	$57.8M	0.0%	$40.85	32
2024-Q2	Increased	1.3M	+2.0%	$63.3M	0.0%	$47.66	30
2024-Q1	Increased	1.3M	+2.0%	$56.4M	0.0%	$43.35	30
2023-Q4	Increased	1.3M	+2.7%	$64.5M	0.0%	$50.59	30
2023-Q3	Increased	1.2M	+3.6%	$56.4M	0.0%	$45.36	30
2023-Q2	Increased	1.2M	+1.1%	$49.2M	0.0%	$41.11	30
2023-Q1	Decreased	1.2M	-5.6%	$42.4M	0.0%	$34.89	0
2022-Q4	Increased	1.3M	+4.5%	$47.4M	0.0%	$37.77	31
2022-Q3	Increased	1.2M	+4.2%	$53.2M	0.0%	$44.28	31
2022-Q2	Increased	1.2M	+1.4%	$42.7M	0.0%	$37.56	29
2022-Q1	Increased	1.1M	+4.1%	$42.1M	0.0%	$35.69	30
2021-Q4	Increased	1.1M	+2.2%	$33.3M	0.0%	$30.54	30
2021-Q3	Increased	1.1M	+49.8%	$35.9M	0.0%	$33.58	40
2021-Q2	Increased	713,960	+2.5%	$28.5M	0.0%	$39.55	29
2021-Q1	Increased	696,496	+0.7%	$31.3M	0.0%	$44.71	29
2020-Q4	Increased	691,409	+1.5%	$39.1M	0.0%	$57.20	29
2020-Q3	Increased	681,204	+10.5%	$32.3M	0.0%	$48.48	32
2020-Q2	Increased	616,469	+0.9%	$36.3M	0.0%	$59.40	29
2020-Q1	Increased	610,699	+2.3%	$28.9M	0.0%	$48.21	29
2019-Q4	Increased	597,225	+1.6%	$36.1M	0.0%	$60.28	29
2019-Q3	Decreased	588,099	-4.6%	$35.2M	0.0%	$59.06	0
2019-Q2	Increased	616,513	+5.8%	$39.6M	0.0%	$64.27	31
2019-Q1	Increased	582,516	+6.9%	$47.3M	0.0%	$81.17	31
2018-Q4	New	544,837	-	$29.5M	0.0%	$51.36	40

IONS30 quarters

IONS
30 quarters