GILEAD SCIENCES INC GILD
COM · Common Stock · CUSIP 375558103 · ISIN US3755581036
American biopharmaceutical company
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersFoster City, CA
- Founded1987
- Websitegilead.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($733.6m this quarter). Holder counts are more reliable. Shares outstanding: 1.2bn as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $126.43. Options: 48 managers hold calls ($1.4bn notional), 42 hold puts ($815.8m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,605 |
| Q4 2022 | 1,770 |
| Q1 2023 | 1,741 |
| Q2 2023 | 1,705 |
| Q3 2023 | 1,689 |
| Q4 2023 | 1,781 |
| Q1 2024 | 1,727 |
| Q2 2024 | 1,686 |
| Q3 2024 | 1,723 |
| Q4 2024 | 1,889 |
| Q1 2025 | 2,020 |
| Q2 2025 | 2,026 |
| Q3 2025 | 2,033 |
| Q4 2025 | 2,218 |
| Q1 2026 | 2,324 |
| Q2 2026 | 2,275 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 781 | 813 |
| Q4 2024 | 812 | 812 |
| Q1 2025 | 934 | 941 |
| Q2 2025 | 1,004 | 886 |
| Q3 2025 | 976 | 853 |
| Q4 2025 | 1,067 | 852 |
| Q1 2026 | 1,066 | 1,000 |
| Q2 2026 | 1,071 | 1,016 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $1.0bn | $885.7m | 0.86 |
| Q4 2025 | $923.4m | $851.8m | 0.92 |
| Q1 2026 | $1.4bn | $804.2m | 0.58 |
| Q2 2026 | $1.4bn | $815.8m | 0.60 |
Biggest buyers
| Assenagon Asset Management S.A. | Added | +4.1m |
| SG Americas Securities, LLC | Added | +3.8m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +3.7m |
| Qube Research & Technologies Ltd | Added | +3.0m |
| BlackRock, Inc. | Added | +2.8m |
| D. E. Shaw & Co., Inc. | Added | +2.1m |
| Boston Partners | Added | +1.8m |
| Squarepoint Ops LLC | Added | +1.6m |
| Point72 Asset Management, L.P. | Added | +1.4m |
| BESSEMER GROUP INC | Added | +1.4m |
Biggest sellers
| JPMORGAN CHASE & CO | Reduced | -13.2m |
| Capital Research Global Investors | Reduced | -7.7m |
| FMR LLC | Reduced | -5.0m |
| MARSHALL WACE, LLP | Reduced | -2.1m |
| Invesco Ltd. | Reduced | -1.8m |
| TD Asset Management Inc | Reduced | -1.4m |
| BANK OF AMERICA CORP /DE/ | Reduced | -1.3m |
| JENNISON ASSOCIATES LLC | Sold out | -1.3m |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | -1.2m |
| ROYAL BANK OF CANADA | Reduced | -1.2m |
Biggest calls
| JANE STREET GROUP, LLC | Added | $209.7m1.7m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $187.2m1.5m shares |
| Caption Management, LLC | Added | $170.3m1.3m shares |
| CITADEL ADVISORS LLC | Reduced | $136.3m1.1m shares |
| Holocene Advisors, LP | New | $88.4m700.0k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $54.6m432.1k shares |
| ROYAL BANK OF CANADA | Added | $40.9m323.4k shares |
| JPMORGAN CHASE & CO | Added | $40.6m321.3k shares |
| IMC-Chicago, LLC | Reduced | $33.7m266.9k shares |
| GOLDMAN SACHS GROUP INC | Reduced | $33.1m261.7k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $236.4m1.9m shares |
| CITADEL ADVISORS LLC | Added | $128.4m1.0m shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $82.8m6.6k shares |
| JANE STREET GROUP, LLC | Added | $45.5m360.5k shares |
| BARCLAYS PLC | Added | $39.7m314.3k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $36.5m288.8k shares |
| JPMORGAN CHASE & CO | Added | $26.7m211.2k shares |
| ADAPT Investment Managers SA | Unchanged | $25.3m200.0k shares |
| IMC-Chicago, LLC | Added | $21.5m170.3k shares |
| GOLDMAN SACHS GROUP INC | Added | $20.2m160.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-24 | 8.2% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.5% |
| FMR LLC 13G · institution new · filed 2026-02-05 | 5.3% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 4 | $42.5m | $41.9m |
| Q1 2025 | 0 | — | 1 | $30.8m | $30.8m |
| Q2 2025 | 0 | — | 3 | $6.3m | $6.3m |
| Q3 2025 | 0 | — | 4 | $8.8m | $8.8m |
| Q4 2025 | 0 | — | 6 | $16.5m | $15.9m |
| Q1 2026 | 0 | — | 4 | $43.4m | $43.4m |
| Q2 2026 | 0 | — | 3 | $8.5m | $8.5m |
| Q3 2026 | 0 | — | 5 | $15.4m | $15.4m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-15 | Dickinson Andrew D Chief Financial Officer | Sold plan | $435.9k3.0k shares |
| 2026-09-15 | Mercier Johanna Chief Comm & Corp Aff Officer | Sold plan | $432.6k3.0k shares |
| 2026-09-01 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $2.2m15.0k shares |
| 2026-08-26 | WELTERS ANTHONY Director | Sold plan | $2.7m18.0k shares |
| 2026-08-20 | Bluestone Jeffrey Director | Sold plan | $725.1k5.0k shares |
| 2026-08-17 | Mercier Johanna Chief Comm & Corp Aff Officer | Sold plan | $3.9m28.0k shares |
| 2026-08-17 | Dickinson Andrew D Chief Financial Officer | Sold plan | $415.1k3.0k shares |
| 2026-08-03 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $2.0m15.0k shares |
| 2026-07-15 | Dickinson Andrew D Chief Financial Officer | Sold plan | $389.8k3.0k shares |
| 2026-07-15 | Mercier Johanna Chief Comm & Corp Aff Officer | Sold plan | $389.8k3.0k shares |
| 2026-07-01 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $1.9m15.0k shares |
| 2026-06-15 | Dickinson Andrew D Chief Financial Officer | Sold plan | $376.2k3.0k shares |
| 2026-06-15 | Mercier Johanna Chief Comm & Corp Aff Officer | Sold plan | $371.8k3.0k shares |
| 2026-06-01 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $2.0m15.0k shares |
| 2026-05-15 | Mercier Johanna Chief Comm & Corp Aff Officer | Sold plan | $3.7m28.0k shares |
| 2026-05-15 | Dickinson Andrew D Chief Financial Officer | Sold plan | $396.8k3.0k shares |
| 2026-04-28 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $1.3m10.0k shares |
| 2026-04-15 | Dickinson Andrew D Chief Financial Officer | Sold plan | $422.9k3.0k shares |
| 2026-04-15 | Mercier Johanna Chief Comm & Corp Aff Officer | Sold plan | $422.9k3.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.23% of their portfolio | 121.8m $15.4bn | Added +2.8m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.22% of their portfolio | 81.1m $10.2bn | Added +437.0k |
| FMR LLC 0.37% of their portfolio | 66.9m $8.4bn | Reduced -5.0m |
| STATE STREET CORP 0.23% of their portfolio | 61.2m $7.7bn | Added +1.4m |
| Capital World Investors 0.61% of their portfolio | 41.0m $5.2bn | Reduced -295.0k |
| Invesco Ltd. 0.40% of their portfolio | 39.8m $5.0bn | Reduced -1.8m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.20% of their portfolio | 35.3m $4.5bn | Added +186.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.20% of their portfolio | 30.1m $3.8bn | Added +339.6k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.38% of their portfolio | 30.0m $3.8bn | Added +3.7m |
| MORGAN STANLEY 0.16% of their portfolio | 24.0m $3.0bn | Added +705.1k |
| Dodge & Cox 1.57% of their portfolio | 23.7m $3.0bn | Reduced -573.3k |
| NORGES BANK 0.28% of their portfolio | 22.0m $2.8bn | Not comparable |
| JPMORGAN CHASE & CO 0.15% of their portfolio | 20.8m $2.6bn | Reduced -13.2m |
| Capital Research Global Investors 0.34% of their portfolio | 19.4m $2.5bn | Reduced -7.7m |
| BANK OF AMERICA CORP /DE/ 0.15% of their portfolio | 18.6m $2.4bn | Reduced -1.3m |
| Bank of New York Mellon Corp 0.32% of their portfolio | 15.3m $1.9bn | Added +210.8k |
| NORTHERN TRUST CORP 0.20% of their portfolio | 13.8m $1.7bn | Added +7.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.30% of their portfolio | 13.0m $1.6bn | Reduced -212.5k |
| WELLINGTON MANAGEMENT GROUP LLP 0.28% of their portfolio | 12.7m $1.6bn | Reduced -838.3k |
| GOLDMAN SACHS GROUP INC 0.14% of their portfolio | 10.8m $1.4bn | Reduced -286.9k |
| Legal & General Group Plc 0.27% of their portfolio | 10.4m $1.3bn | Reduced -43.8k |
| Amundi 0.30% of their portfolio | 9.8m $1.2bn | Reduced -766.7k |
| Nuveen, LLC 0.25% of their portfolio | 8.3m $1.1bn | Added +503.4k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.14% of their portfolio | 8.2m $1.0bn | Reduced -26.5k |
| DIMENSIONAL FUND ADVISORS LP 0.18% of their portfolio | 7.9m $998.1m | Added +176.9k |
| AMERIPRISE FINANCIAL INC 0.19% of their portfolio | 7.6m $962.5m | Added +330.9k |
| DEUTSCHE BANK AG\ 0.27% of their portfolio | 7.3m $918.4m | Added +1.0m |
| VANGUARD FIDUCIARY TRUST CO 0.19% of their portfolio | 7.0m $880.8m | Reduced -60.7k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.28% of their portfolio | 6.7m $876.7m | Added +370.2k |
| WELLS FARGO & COMPANY/MN 0.14% of their portfolio | 6.4m $813.6m | Reduced -188.9k |
| Boston Partners 0.68% of their portfolio | 6.0m $761.6m | Added +1.8m |
| NORDEA INVESTMENT MANAGEMENT AB 0.53% of their portfolio | 5.2m $647.9m | Reduced -108.1k |
| BARCLAYS PLC 0.20% of their portfolio | 5.1m $646.0m | Reduced -169.0k |
| SG Americas Securities, LLC 0.35% of their portfolio | 4.8m $604.0m | Added +3.8m |
| ALLIANCEBERNSTEIN L.P. 0.21% of their portfolio | 4.6m $643.0m | Reduced -1.1m |
| Assenagon Asset Management S.A. 0.38% of their portfolio | 4.6m $578.1m | Added +4.1m |
| UBS Group AG 0.09% of their portfolio | 4.5m $568.9m | Added +573.1k |
| ROYAL BANK OF CANADA 0.10% of their portfolio | 4.5m $568.1m | Reduced -1.2m |
| AMERICAN CENTURY COMPANIES INC 0.22% of their portfolio | 4.0m $500.2m | Reduced -19.6k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.50% of their portfolio | 3.9m $497.6m | Reduced -484.6k |
| HSBC HOLDINGS PLC 0.23% of their portfolio | 3.8m $484.2m | Added +646.1k |
| BANK OF MONTREAL /CAN/ 0.17% of their portfolio | 3.8m $476.6m | Added +223.2k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.71% of their portfolio | 3.8m $476.1m | Added +321.7k |
| Jupiter Topco LLC 0.18% of their portfolio | 3.5m $448.0m | First filing |
| Swiss National Bank 0.23% of their portfolio | 3.5m $442.3m | Reduced -140.3k |
| FRANKLIN RESOURCES INC 0.10% of their portfolio | 3.5m $441.0m | Added +6.3k |
| CITADEL ADVISORS LLC 0.25% of their portfolio | 3.5m $439.7m | Reduced -501.7k |
| Robeco Institutional Asset Management B.V. 0.54% of their portfolio | 3.5m $437.1m | Added +105.5k |
| Holocene Advisors, LP 0.93% of their portfolio | 3.2m $406.4m | Added +605.1k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.22% of their portfolio | 3.2m $398.9m | Added +234.4k |
| Pacer Advisors, Inc. 1.02% of their portfolio | 3.1m $392.9m | Added +164.8k |
| Qube Research & Technologies Ltd 0.43% of their portfolio | 3.1m $389.9m | Added +3.0m |
| National Pension Service 0.25% of their portfolio | 3.1m $386.9m | Added +40.9k |
| FIRST TRUST ADVISORS LP 0.22% of their portfolio | 3.0m $378.0m | Reduced -138.0k |
| CITIGROUP INC 0.17% of their portfolio | 3.0m $375.1m | Added +668.9k |
| Sumitomo Mitsui Trust Group, Inc. 0.21% of their portfolio | 3.0m $374.3m | Added +31.4k |
| Allianz Asset Management GmbH 0.38% of their portfolio | 2.9m $373.2m | Reduced -241.0k |
| ProShare Advisors LLC 0.52% of their portfolio | 2.8m $357.4m | Added +1.0m |
| VANGUARD ASSET MANAGEMENT, Ltd 0.24% of their portfolio | 2.8m $355.9m | Added +313.0k |
| California Public Employees Retirement System 0.20% of their portfolio | 2.8m $352.6m | Reduced -794.3k |
| Vanguard Global Advisers, LLC 0.16% of their portfolio | 2.7m $341.6m | Reduced -64.1k |
| LSV ASSET MANAGEMENT 0.60% of their portfolio | 2.6m $333.0m | Reduced -256.8k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.26% of their portfolio | 2.6m $332.0m | Added +505.1k |
| BNP PARIBAS FINANCIAL MARKETS 0.17% of their portfolio | 2.5m $320.4m | Added +569.4k |
| Pictet Asset Management Holding SA 0.30% of their portfolio | 2.5m $317.4m | Reduced -62.9k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.17% of their portfolio | 2.5m $310.3m | Added +446.7k |
| RAYMOND JAMES FINANCIAL INC 0.08% of their portfolio | 2.4m $307.8m | Reduced -125.6k |
| D. E. Shaw & Co., Inc. 0.18% of their portfolio | 2.3m $289.9m | Added +2.1m |
| RENAISSANCE TECHNOLOGIES LLC 0.39% of their portfolio | 2.2m $280.1m | Added +64.8k |
| VICTORY CAPITAL MANAGEMENT INC 0.16% of their portfolio | 2.2m $278.3m | Added +41.9k |
| Bellevue Group AG 5.74% of their portfolio | 2.2m $272.7m | Added +988.9k |
| Caisse de depot et placement du Quebec 0.38% of their portfolio | 2.1m $263.2m | Added +539.2k |
| RHUMBLINE ADVISERS 0.20% of their portfolio | 2.1m $259.2m | Reduced -184.5k |
| DekaBank Deutsche Girozentrale 0.47% of their portfolio | 2.0m $280.4m | Unchanged |
| MACKENZIE FINANCIAL CORP 0.25% of their portfolio | 2.0m $256.9m | Added +1.0m |
| TD Asset Management Inc 0.22% of their portfolio | 2.0m $249.1m | Reduced -1.4m |
| NATIONAL BANK OF CANADA /FI/ 0.22% of their portfolio | 1.9m $246.0m | Added +332.4k |
| Ensign Peak Advisors, Inc 0.40% of their portfolio | 1.9m $245.2m | Reduced -397.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.22% of their portfolio | 1.9m $241.2m | Reduced -5.4k |
| Swedbank AB 0.21% of their portfolio | 1.9m $240.4m | Reduced -494.8k |
| VOYA INVESTMENT MANAGEMENT LLC 0.20% of their portfolio | 1.8m $233.2m | Reduced -1.2m |
| Squarepoint Ops LLC 0.45% of their portfolio | 1.8m $230.3m | Added +1.6m |
| PRINCIPAL FINANCIAL GROUP INC 0.11% of their portfolio | 1.8m $226.6m | Added +23.9k |
| CAPTRUST FINANCIAL ADVISORS 0.34% of their portfolio | 1.8m $222.8m | Reduced -8.0k |
| PRUDENTIAL FINANCIAL INC 0.24% of their portfolio | 1.8m $222.3m | Added +484.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.05% of their portfolio | 1.7m $221.0m | Reduced -109.5k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.15% of their portfolio | 1.7m $215.5m | Added +120.3k |
| CANADA LIFE ASSURANCE Co 0.33% of their portfolio | 1.6m $207.8m | Reduced -28.0k |
| KBC Group NV 0.45% of their portfolio | 1.6m $207.7m | Reduced -1.0m |
| HighTower Advisors, LLC 0.19% of their portfolio | 1.5m $193.9m | Added +84.5k |
| MILLENNIUM MANAGEMENT LLC 0.12% of their portfolio | 1.5m $184.3m | Added +278.2k |
| BESSEMER GROUP INC 0.25% of their portfolio | 1.4m $182.4m | Added +1.4m |
| Point72 Asset Management, L.P. 0.28% of their portfolio | 1.4m $181.6m | Added +1.4m |
| Nykredit A/S 0.56% of their portfolio | 1.4m $177.1m | First filing |
| NEUBERGER BERMAN GROUP LLC 0.11% of their portfolio | 1.4m $172.1m | Added +30.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.22% of their portfolio | 1.4m $171.9m | Reduced -80.1k |
| JUPITER ASSET MANAGEMENT LTD 0.85% of their portfolio | 1.4m $171.5m | Added +1.2m |
| Railway Pension Investments Ltd 2.06% of their portfolio | 1.3m $163.7m | Reduced -7.8k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.53% of their portfolio | 1.3m $162.7m | Added +1.3m |
| AustralianSuper Pty Ltd 0.70% of their portfolio | 1.3m $160.6m | Reduced -164.7k |