MORGAN STANLEY

Position in IONS — Ionis Pharmaceuticals Inc

CIK 895421 NEW YORK, NY

Back to IONS Full portfolio

Position in IONS

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$77,080,557

-$3,604,198 QoQ

Shares Held

1,026,509

+0.6% QoQ

Ownership

0.621%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 70.09056910363182.ToString("F0")% Shared 0.ToString("F0")% None 29.90943089636818.ToString("F0")%

Common Shares in IONS Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

MORGAN STANLEY holds $15,440,401,210 across 521 Biotechnology names. IONS ranks #38 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RPRX	Royalty Pharma plc	43,571,633	$2,090,131,227
2	ROIV	Roivant Sciences Ltd.	51,828,325	$1,435,644,595
3	VRTX	Vertex Pharmaceuticals Inc / Ma	3,188,881	$1,423,962,911
4	REGN	Regeneron Pharmaceuticals, Inc.	1,319,329	$1,019,366,352
5	TECH	BIO-TECHNE Corp	8,532,873	$445,927,935
6	MRNA	Moderna, Inc.	8,471,263	$430,340,154
7	ARGX	Argenx SE	560,711	$409,459,203
8	APLS	Apellis Pharmaceuticals, Inc.	10,042,399	$404,005,708

All Filings in IONS

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$77,080,557	1,026,509	+0.6%	Shares	Defined	2026-05-15
2025-12-31	$80,684,755	1,019,906	-13.6%	Shares	Defined	2026-05-27
2025-09-30	$77,216,268	1,180,316	-13.4%	Shares	Defined	2026-05-27
2025-06-30	$53,820,872	1,362,209	+19.1%	Shares	Defined	2025-08-15
2025-03-31	$34,519,937	1,144,181	-14.0%	Shares	Defined	2025-05-15
2024-12-31	$46,494,311	1,329,929	+1.5%	Shares	Defined	2025-05-15
2024-09-30	$52,496,662	1,310,451	+29.4%	Shares	Defined	2025-05-14
2024-06-30	$48,270,278	1,012,805	-13.0%	Shares	Defined	2025-05-14
2024-03-31	$50,441,967	1,163,598	+6.7%	Shares	Defined	2024-10-17
2023-12-31	$55,156,398	1,090,263	+5.5%	Shares	Defined	2024-08-16
2023-09-30	$46,875,201	1,033,404	-8.5%	Shares	Defined	2023-11-15
2023-06-30	$46,318,270	1,128,888	+12.6%	Shares	Defined	2023-08-14
2023-03-31	$35,847,537	1,003,009	+7.1%	Shares	Defined	2023-05-15
2022-12-31	$35,379,494	936,709	+34.5%	Shares	Defined	2023-02-14
2022-09-30	$30,807,871	696,538	-5.6%	Shares	Defined	2022-11-14
2022-06-30	$27,319,903	737,977	+42.1%	Shares	Defined	2022-10-27
2022-03-31	$19,241,425	519,477	+11.7%	Shares	Defined	2022-10-27
2021-12-31	$14,146,448	464,885	-6.6%	Shares	Defined	2022-02-14
2021-09-30	$16,700,771	497,936	-5.6%	Shares	Defined	2021-11-15
2021-06-30	$21,046,320	527,609	-7.1%	Shares	Defined	2021-08-23
2021-03-31	$25,522,306	567,667	+34.2%	Shares	Defined	2021-05-17
2020-12-31	$23,924,051	423,135	+120.3%	Shares	Defined	2021-02-16
2020-09-30	$9,114,573	192,088	-15.9%	Shares	Defined	2020-11-13
2020-06-30	$13,471,530	228,486	+12.7%	Shares	Defined	2020-08-14
2020-03-31	$9,585,922	202,748	—	Shares	Defined	2020-05-26
No filing history on record for this holder in this stock.