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 ($637.8m this quarter). Holder counts are more reliable. Shares outstanding: 1.2bn as of 2026-02-13, 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 ≈ $122.58. Options: 47 managers hold calls ($923.4m notional), 46 hold puts ($851.8m).
Trends to Q4 2025
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 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 751 | 907 |
| Q2 2024 | 755 | 841 |
| 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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2025 | $1.2bn | $1.2bn | 1.00 |
| Q2 2025 | $1.5bn | $1.1bn | 0.73 |
| Q3 2025 | $1.0bn | $885.7m | 0.86 |
| Q4 2025 | $923.4m | $851.8m | 0.92 |
Biggest buyers
| Invesco Ltd. | Added | +28.3m |
| BlackRock, Inc. | Added | +6.9m |
| FMR LLC | Added | +5.3m |
| Boston Partners | New | +4.2m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Added | +4.1m |
| BARCLAYS PLC | Added | +3.9m |
| HSBC HOLDINGS PLC | Added | +3.6m |
| BANK OF AMERICA CORP /DE/ | Added | +3.0m |
| VANGUARD GROUP INC | Added | +2.1m |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added | +2.0m |
Biggest sellers
| JPMORGAN CHASE & CO | Reduced | -19.3m |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -9.7m |
| Capital Research Global Investors | Reduced | -4.7m |
| Dodge & Cox | Reduced | -3.8m |
| Assenagon Asset Management S.A. | Reduced | -3.2m |
| DEUTSCHE BANK AG\ | Reduced | -2.8m |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -2.7m |
| Capital World Investors | Reduced | -2.3m |
| Qube Research & Technologies Ltd | Reduced | -2.3m |
| Allianz Asset Management GmbH | Reduced | -1.7m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $184.9m1.5m shares |
| CITADEL ADVISORS LLC | Reduced | $138.8m1.1m shares |
| JANE STREET GROUP, LLC | Added | $103.2m840.6k shares |
| ROYAL BANK OF CANADA | Added | $52.5m427.5k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $48.2m392.8k shares |
| GROUP ONE TRADING LLC | Added | $39.5m322.0k shares |
| JPMORGAN CHASE & CO | Reduced | $33.9m276.0k shares |
| IMC-Chicago, LLC | Added | $33.1m269.3k shares |
| BARCLAYS PLC | Unchanged | $30.7m250.5k shares |
| UBS Group AG | Reduced | $29.5m240.1k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $177.4m1.4m shares |
| CITADEL ADVISORS LLC | Reduced | $127.6m1.0m shares |
| JPMORGAN CHASE & CO | Added | $68.7m560.1k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $54.3m442.5k shares |
| UBS Group AG | Reduced | $41.5m338.3k shares |
| BARCLAYS PLC | Unchanged | $34.9m284.1k shares |
| Walleye Capital LLC | Added | $29.4m239.5k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $27.3m222.2k shares |
| IMC-Chicago, LLC | Reduced | $20.1m163.4k shares |
| CITIGROUP INC | Unchanged | $19.6m160.0k 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 in Q4 2025
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 |
|---|---|---|---|---|---|
| Q1 2024 | 0 | — | 3 | $1.9m | $1.9m |
| Q2 2024 | 0 | — | 1 | $145.9k | $145.9k |
| Q3 2024 | 0 | — | 2 | $5.5m | $5.5m |
| 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 |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-12-29 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $1.2m10.0k shares |
| 2025-12-15 | Dickinson Andrew D Chief Financial Officer | Sold plan | $366.0k3.0k shares |
| 2025-12-15 | Mercier Johanna Chief Commercial Officer | Sold plan | $366.0k3.0k shares |
| 2025-11-28 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $1.3m10.0k shares |
| 2025-11-28 | Bluestone Jeffrey Director | Sold | $625.4k5.0k shares |
| 2025-11-28 | Kramer Kelly A. Director | Sold plan | $356.5k2.8k shares |
| 2025-11-26 | Kramer Kelly A. Director | Sold plan | $356.7k2.8k shares |
| 2025-11-17 | Mercier Johanna Chief Commercial Officer | Sold plan | $3.5m28.0k shares |
| 2025-11-17 | Dickinson Andrew D Chief Financial Officer | Sold plan | $313.1k2.5k shares |
| 2025-11-12 | Telman Deborah H EVP, Corporate Affairs & GC | Sold plan | $6.6m53.6k shares |
| 2025-10-28 | O'Day Daniel Patrick Chairman & CEO, director | Sold plan | $1.2m10.0k shares |
| 2025-10-15 | Mercier Johanna Chief Commercial Officer | Sold plan | $354.2k3.0k shares |
| 2025-10-15 | Dickinson Andrew D Chief Financial Officer | Sold plan | $295.2k2.5k 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, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.26% of their portfolio | 123.2m $15.1bn | Added +6.9m |
| VANGUARD GROUP INC 0.22% of their portfolio | 121.1m $14.9bn | Added +2.1m |
| FMR LLC 0.41% of their portfolio | 65.6m $8.0bn | Added +5.3m |
| STATE STREET CORP 0.25% of their portfolio | 60.2m $7.4bn | Added +1.2m |
| Invesco Ltd. 0.50% of their portfolio | 43.5m $5.3bn | Added +28.3m |
| Capital World Investors 0.72% of their portfolio | 42.9m $5.3bn | Reduced -2.3m |
| GEODE CAPITAL MANAGEMENT, LLC 0.22% of their portfolio | 29.7m $3.6bn | Reduced -233.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.37% of their portfolio | 27.7m $3.4bn | Added +1.2m |
| Dodge & Cox 1.74% of their portfolio | 26.3m $3.2bn | Reduced -3.8m |
| Capital Research Global Investors 0.57% of their portfolio | 25.3m $3.1bn | Reduced -4.7m |
| MORGAN STANLEY 0.17% of their portfolio | 23.5m $2.9bn | Reduced -222.0k |
| BANK OF AMERICA CORP /DE/ 0.21% of their portfolio | 23.1m $2.8bn | Added +3.0m |
| JPMORGAN CHASE & CO 0.19% of their portfolio | 23.0m $2.8bn | Reduced -19.3m |
| NORGES BANK 0.28% of their portfolio | 21.3m $2.6bn | Not comparable |
| WELLINGTON MANAGEMENT GROUP LLP 0.34% of their portfolio | 15.9m $2.0bn | Reduced -9.7m |
| Bank of New York Mellon Corp 0.33% of their portfolio | 15.2m $1.9bn | Added +967.0k |
| NORTHERN TRUST CORP 0.22% of their portfolio | 14.1m $1.7bn | Reduced -258.7k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.34% of their portfolio | 13.0m $1.6bn | Added +12.3k |
| Legal & General Group Plc 0.28% of their portfolio | 10.3m $1.3bn | Added +107.0k |
| Amundi 0.32% of their portfolio | 9.5m $1.2bn | Added +1.9m |
| BARCLAYS PLC 0.45% of their portfolio | 9.1m $1.1bn | Added +3.9m |
| DIMENSIONAL FUND ADVISORS LP 0.23% of their portfolio | 8.8m $1.1bn | Reduced -711.5k |
| GOLDMAN SACHS GROUP INC 0.15% of their portfolio | 8.8m $1.1bn | Added +1.6m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.15% of their portfolio | 8.0m $982.8m | Added +75.9k |
| AMERIPRISE FINANCIAL INC 0.22% of their portfolio | 7.8m $957.5m | Added +652.0k |
| HSBC HOLDINGS PLC 0.26% of their portfolio | 7.6m $927.1m | Added +3.6m |
| WELLS FARGO & COMPANY/MN 0.16% of their portfolio | 6.6m $816.1m | Added +197.2k |
| Nuveen, LLC 0.20% of their portfolio | 6.3m $775.0m | Added +368.3k |
| DEUTSCHE BANK AG\ 0.25% of their portfolio | 6.2m $760.2m | Reduced -2.8m |
| ROYAL BANK OF CANADA 0.13% of their portfolio | 5.9m $725.7m | Reduced -1.4m |
| ALLIANCEBERNSTEIN L.P. 0.23% of their portfolio | 5.9m $723.7m | Added +9.7k |
| NORDEA INVESTMENT MANAGEMENT AB 0.54% of their portfolio | 5.1m $630.1m | Added +726.1k |
| UBS Group AG 0.12% of their portfolio | 4.8m $586.7m | Reduced -368.0k |
| AMERICAN CENTURY COMPANIES INC 0.26% of their portfolio | 4.3m $527.0m | Added +488.3k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.17% of their portfolio | 4.2m $518.4m | Added +4.1m |
| Boston Partners 0.54% of their portfolio | 4.2m $517.8m | New |
| Holocene Advisors, LP 1.08% of their portfolio | 4.2m $511.1m | Added +1.5m |
| LSV ASSET MANAGEMENT 1.11% of their portfolio | 4.1m $508.9m | Reduced -153.3k |
| Allianz Asset Management GmbH 0.57% of their portfolio | 4.0m $494.7m | Reduced -1.7m |
| CITADEL ADVISORS LLC 0.32% of their portfolio | 3.9m $477.2m | Reduced -1.3m |
| California Public Employees Retirement System 0.26% of their portfolio | 3.7m $454.3m | Reduced -332.5k |
| Robeco Institutional Asset Management B.V. 0.65% of their portfolio | 3.7m $453.4m | Reduced -108.3k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.52% of their portfolio | 3.7m $450.8m | Added +2.0m |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.66% of their portfolio | 3.6m $436.9m | First filing |
| BANK OF MONTREAL /CAN/ 0.17% of their portfolio | 3.5m $425.8m | Added +385.6k |
| Swiss National Bank 0.25% of their portfolio | 3.4m $417.3m | Reduced -185.4k |
| Pacer Advisors, Inc. 1.08% of their portfolio | 3.4m $415.1m | Reduced -208.9k |
| TD Asset Management Inc 0.33% of their portfolio | 3.4m $412.1m | Reduced -67.3k |
| FRANKLIN RESOURCES INC 0.10% of their portfolio | 3.3m $404.5m | Reduced -169.1k |
| Sumitomo Mitsui Trust Group, Inc. 0.24% of their portfolio | 3.3m $401.3m | Reduced -60.4k |
| KBC Group NV 0.91% of their portfolio | 3.2m $398.2m | Added +283.7k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 1.28% of their portfolio | 3.2m $375.3m | Reduced -676.5k |
| National Pension Service 0.27% of their portfolio | 3.0m $367.1m | Reduced -380.0k |
| BNP PARIBAS FINANCIAL MARKETS 0.23% of their portfolio | 2.9m $359.9m | Added +1.1m |
| RENAISSANCE TECHNOLOGIES LLC 0.53% of their portfolio | 2.8m $342.3m | Reduced -2.7m |
| VOYA INVESTMENT MANAGEMENT LLC 0.33% of their portfolio | 2.7m $337.2m | Added +697.1k |
| RAYMOND JAMES FINANCIAL INC 0.10% of their portfolio | 2.7m $336.0m | Added +919.1k |
| VICTORY CAPITAL MANAGEMENT INC 0.19% of their portfolio | 2.7m $335.2m | Reduced -109.8k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.22% of their portfolio | 2.7m $330.6m | Added +129.2k |
| AQR CAPITAL MANAGEMENT LLC 0.17% of their portfolio | 2.7m $330.8m | Added +315.4k |
| FEDERATED HERMES, INC. 0.54% of their portfolio | 2.6m $322.7m | Reduced -26.3k |
| AustralianSuper Pty Ltd 1.46% of their portfolio | 2.6m $315.1m | Reduced -466.9k |
| Qube Research & Technologies Ltd 0.45% of their portfolio | 2.5m $312.6m | Reduced -2.3m |
| Swedbank AB 0.30% of their portfolio | 2.5m $307.5m | Added +43.2k |
| Pictet Asset Management Holding SA 0.28% of their portfolio | 2.4m $290.9m | Reduced -326.9k |
| RHUMBLINE ADVISERS 0.23% of their portfolio | 2.3m $278.8m | Reduced -56.8k |
| ProShare Advisors LLC 0.48% of their portfolio | 2.2m $272.2m | Added +623.8k |
| Skandinaviska Enskilda Banken AB (publ) 1.04% of their portfolio | 2.1m $259.9m | Reduced -163.2k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.17% of their portfolio | 2.0m $251.5m | Reduced -184.8k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.22% of their portfolio | 2.0m $250.7m | Added +178.8k |
| DekaBank Deutsche Girozentrale 0.25% of their portfolio | 2.0m $147.3m | Unchanged |
| PRUDENTIAL FINANCIAL INC 0.30% of their portfolio | 2.0m $249.2m | Reduced -322.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.24% of their portfolio | 2.0m $240.0m | Reduced -36.2k |
| Ensign Peak Advisors, Inc 0.42% of their portfolio | 1.9m $237.7m | Reduced -721.0k |
| CAPTRUST FINANCIAL ADVISORS 0.45% of their portfolio | 1.9m $237.6m | Added +28.0k |
| NATIONAL BANK OF CANADA /FI/ 0.24% of their portfolio | 1.9m $233.2m | Added +448.4k |
| JANUS HENDERSON GROUP PLC 0.10% of their portfolio | 1.9m $228.6m | Added +203.7k |
| Candriam S.C.A. 1.12% of their portfolio | 1.8m $224.9m | Added +211.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.07% of their portfolio | 1.8m $219.2m | Reduced -42.7k |
| MACKENZIE FINANCIAL CORP 0.26% of their portfolio | 1.8m $218.7m | Reduced -285.4k |
| CITIGROUP INC 0.15% of their portfolio | 1.8m $218.0m | Added +333.0k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.37% of their portfolio | 1.8m $216.4m | Added +1.3m |
| PRINCIPAL FINANCIAL GROUP INC 0.11% of their portfolio | 1.8m $216.3m | Added +379.6k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.18% of their portfolio | 1.8m $216.3m | Reduced -300.1k |
| Man Group plc 0.40% of their portfolio | 1.7m $211.7m | Reduced -31.5k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.16% of their portfolio | 1.7m $210.4m | Reduced -329.0k |
| CANADA LIFE ASSURANCE Co 0.36% of their portfolio | 1.7m $206.9m | Reduced -571.0k |
| HighTower Advisors, LLC 0.22% of their portfolio | 1.7m $203.9m | Reduced -14.4k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.43% of their portfolio | 1.6m $198.1m | Added +19.7k |
| Corient Private Wealth LP 0.10% of their portfolio | 1.4m $147.3m | Added +875.5k |
| FIRST TRUST ADVISORS LP 0.13% of their portfolio | 1.4m $177.5m | Reduced -1.6m |
| NEW YORK STATE COMMON RETIREMENT FUND 0.23% of their portfolio | 1.4m $175.8m | Reduced -40.9k |
| Railway Pension Investments Ltd 2.02% of their portfolio | 1.4m $171.7m | Reduced -16.4k |
| STIFEL FINANCIAL CORP 0.15% of their portfolio | 1.4m $170.2m | Added +51.2k |
| NEUBERGER BERMAN GROUP LLC 0.12% of their portfolio | 1.4m $166.9m | Reduced -224.0k |
| Korea Investment CORP 0.33% of their portfolio | 1.4m $166.7m | Added +7.1k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.26% of their portfolio | 1.3m $159.2m | Added +126.9k |
| SG Americas Securities, LLC 0.21% of their portfolio | 1.3m $155.7m | Added +665.4k |
| Russell Investments Group, Ltd. 0.17% of their portfolio | 1.3m $154.9m | Added +50.0k |
| VAN ECK ASSOCIATES CORP 0.13% of their portfolio | 1.3m $154.6m | Added +624 |