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Ionis Pharmaceuticals Inc

IONS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000874015

In the last 90 days, Ionis Pharmaceuticals Inc insiders filed 1 open-market purchase and 4 sales; 515 institutions reported holding it in 13F filings for Q2 2026, worth $14.3B in total; ARK Invest is the only superinvestor holding it.

Q3 2021 vs. Q2 2021

How the institutions holding Ionis Pharmaceuticals Inc changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of IONS: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders3383326−9
Shares124.4M135.0K121.7M−2.53M (−2.0%)
Value$4.96B$5.39M$4.08B−$872.0M (−17.6%)

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (38)

Institutions that held Ionis Pharmaceuticals Inc at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to IONS in Q3 2021
InstitutionSharesValue% of portfolio
Pictet Asset Management SA135,696$4.55M0.01%
HRT Financial LP128,087$4.30M0.03%
AXA S.A.57,200$1.92M0.01%
Connor, Clark & Lunn Investment Management Ltd.35,536$1.19M0.01%
Algert Global LLC23,474$787.0K0.10%
Sphera Funds Management Ltd.22,000$738.0K0.07%
Campbell & CO Investment Adviser LLC19,896$667.0K0.22%
Engineers Gate Manager LP16,672$559.0K0.03%
Walleye Capital LLC15,470$519.0K0.02%
Janus Henderson Group PLC13,748$461.0K0.00%
JustInvest LLC13,544$454.0K0.04%
Trexquant Investment LP13,297$446.0K0.04%
HAP Trading, LLC11,877$398.0K0.03%
Virginia Retirement Systems Et Al11,700$392.0K0.00%
Dynamic Technology Lab Private Ltd11,500$386.0K0.05%
Koss-Olinger Consulting, LLC11,432$383.0K0.06%
Brookstone Capital Management11,397$382.0K0.01%
Bard Financial Services, Inc.9,725$326.0K0.03%
Walleye Trading LLC9,619$323.0K0.01%
ExodusPoint Capital Management, LP8,173$274.0K0.00%
Fox Run Management, L.L.C.7,341$246.0K0.15%
Mirae Asset Global Investments Co., Ltd.6,599$221.0K0.00%
Assenagon Asset Management S.A.6,022$202.0K0.00%
Koshinski Asset Management, Inc.2,068$69.4K0.01%
Cedar Wealth Management, LLC1,370$46.0K0.02%
Antonetti Capital Management LLC1,000$34.0K0.03%
Archer Investment Corp917$30.8K0.01%
Consolidated Planning Corp777$26.0K0.02%
Jones Financial Companies LLLP300$10.0K0.00%
Federation des caisses Desjardins du Quebec200$6.71K0.00%
Whittier Trust Co of Nevada Inc159$5.00K0.00%
JFS Wealth Advisors, LLC75$3.00K0.00%
Massmutual Trust Co FSB64$2.00K0.00%
PSI Advisors, LLC50$2.00K0.00%
Focused Wealth Management, Inc16$1.00K0.00%
Meridian Wealth Partners, LLC23$1.00K0.00%
Ci Investments Inc.8$00.00%
Bell Investment Advisors, Inc10$00.00%

Sold out (47)

Institutions that held Ionis Pharmaceuticals Inc at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of IONS in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Bank Julius Baer & Co. Ltd, Zurich288,844$11.5M
Worldquant Millennium Advisors LLC251,075$10.0M
Marshall Wace, LLP176,820$7.05M
Van Eck Associates Corp147,383$5.88M
PDT Partners, LLC141,925$5.66M
Susquehanna Fundamental Investments, LLC88,273$3.52M
Jump Financial, LLC62,400$2.49M
Seeyond33,852$1.35M
Edgestream Partners, L.P.31,262$1.25M
Twin Tree Management, LP29,382$1.17M
APG Asset Management N.V.28,200$949.0K
Brookfield Asset Management Inc.13,568$541.0K
AQR Capital Management LLC13,434$528.0K
Waddell & Associates, LLC10,042$401.0K
HSBC Holdings PLC9,435$376.0K
Aigen Investment Management, LP8,912$355.0K
Natixis8,530$340.0K
USS Investment Management Ltd8,363$334.0K
Bridgewater Associates, LP7,981$318.0K
Wealthcare Advisory Partners LLC7,472$298.0K
Nomura Asset Management Co Ltd7,417$295.9K
Hussman Strategic Advisors, Inc.7,200$287.0K
Commerce Bank6,291$251.0K
ProVise Management Group, LLC6,111$244.0K
III Capital Management6,000$239.0K
Wellington Management Group LLP5,911$236.0K
Icon Wealth Partners, LLC5,917$236.0K
Vident Investment Advisory, LLC5,587$223.0K
CIBC Asset Management Inc5,140$205.0K
Buckingham Strategic Wealth, LLC5,078$203.0K
Weiss Multi-Strategy Advisers LLC5,073$202.0K
Credit Agricole S A4,210$168.0K
KB Financial Partners, LLC4,030$161.0K
Panagora Asset Management Inc2,329$93.0K
Healthcare of Ontario Pension Plan Trust Fund1,484$59.0K
Wolverine Asset Management LLC783$31.0K
S.A. Mason LLC775$31.0K
NuWave Investment Management, LLC551$22.0K
Advisory Services Network, LLC519$21.0K
SkyView Investment Advisors, LLC271$12.0K
Brown Brothers Harriman & Co200$8.00K
Cordasco Financial Network200$8.00K
Loring Wolcott & Coolidge Fiduciary Advisors LLP45$2.00K
Harbor Investment Advisory, LLC38$2.00K
Clean Yield Group50$2.00K
Prestige Wealth Management Group LLC60$2.00K
Enterprise Financial Services Corp23$1.00K

Not filed for Q3 2021 yet (3)

Institutions that held Ionis Pharmaceuticals Inc at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IONS in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Pictet Asset Management Ltd134,324$5.36M
CWM, LLC690$28.0K
First Horizon Corp6$0