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 ($259.0m this quarter). Holder counts are more reliable. Shares outstanding: 1.3bn as of 2022-10-31, 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 ≈ $85.84. Options: 51 managers hold calls ($1.2bn notional), 52 hold puts ($1.3bn).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,605 |
| Q4 2022 | 1,770 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $1.2bn | $765.1m | 0.64 |
| Q4 2022 | $1.2bn | $1.3bn | 1.03 |
Biggest buyers
| FMR LLC | Added | +13.5m |
| Capital World Investors | Added | +11.1m |
| BlackRock Inc. | Added | +3.1m |
| WELLINGTON MANAGEMENT GROUP LLP | Added | +2.7m |
| ALLIANCEBERNSTEIN L.P. | Added | +2.1m |
| Caisse de depot et placement du Quebec | Added | +1.9m |
| MORGAN STANLEY | Added | +1.8m |
| D. E. Shaw & Co., Inc. | Added | +1.6m |
| ROYAL BANK OF CANADA | Added | +1.4m |
| GOLDMAN SACHS GROUP INC | Added | +1.4m |
Biggest sellers
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | -3.8m |
| JANUS HENDERSON GROUP PLC | Reduced | -2.2m |
| Woodline Partners LP | Reduced | -1.9m |
| AXA S.A. | Reduced | -1.8m |
| AQR CAPITAL MANAGEMENT LLC | Reduced | -1.7m |
| VAN ECK ASSOCIATES CORP | Reduced | -1.7m |
| DEERFIELD MANAGEMENT COMPANY, L.P. | Sold out | -1.5m |
| ARIEL INVESTMENTS, LLC | Reduced | -1.5m |
| Qube Research & Technologies Ltd | Sold out | -971.2k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | -932.7k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $271.7m3.2m shares |
| CITADEL ADVISORS LLC | Reduced | $184.1m2.1m shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $83.2m968.6k shares |
| NOMURA HOLDINGS INC | New | $79.9m954.9k shares |
| UBS Group AG | Added | $61.4m714.8k shares |
| BANK OF AMERICA CORP /DE/ | Added | $56.2m655.2k shares |
| HSBC HOLDINGS PLC | Added | $54.2m633.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $49.3m574.7k shares |
| GROUP ONE TRADING LLC | Reduced | $47.0m547.7k shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $42.6m5.0k shares |
Biggest puts
| MILLENNIUM MANAGEMENT LLC | Added | $206.2m2.4m shares |
| UBS Group AG | Added | $164.8m1.9m shares |
| CITADEL ADVISORS LLC | Reduced | $141.8m1.7m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $138.8m1.6m shares |
| CITIGROUP INC | Reduced | $60.9m709.0k shares |
| JPMORGAN CHASE & CO | Added | $58.3m678.8k shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $45.1m5.3k shares |
| JANE STREET GROUP, LLC | Added | $44.7m520.6k shares |
| BANK OF AMERICA CORP /DE/ | Added | $44.3m515.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $38.3m445.9k 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 2022
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 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 0 | — | — |
| Q1 2022 | 0 | — | 1 | $1.3m | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 2 | $1.9m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2022-12-30 | Parsey Merdad Chief Medical Officer | Sold | $47.2k553 shares |
| 2022-11-09 | Wilfong Diane E. SVP, Controller & CAO | Sold | $535.7k6.4k shares |
| 2022-11-01 | Wilfong Diane E. SVP, Controller & CAO | Sold | $1.3m16.3k 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 2022
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.35% of their portfolio | 131.6m $11.3bn | Added +3.1m |
| VANGUARD GROUP INC 0.26% of their portfolio | 112.0m $9.6bn | Reduced -48.9k |
| Capital World Investors 1.26% of their portfolio | 68.9m $5.9bn | Added +11.1m |
| STATE STREET CORP 0.30% of their portfolio | 58.9m $5.1bn | Reduced -299.0k |
| Capital Research Global Investors 1.42% of their portfolio | 54.6m $4.7bn | Added +727.5k |
| Dodge & Cox 2.11% of their portfolio | 35.9m $3.1bn | Reduced -484.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.29% of their portfolio | 23.8m $2.0bn | Added +244.9k |
| MORGAN STANLEY 0.17% of their portfolio | 17.2m $1.5bn | Added +1.8m |
| Bank of New York Mellon Corp 0.32% of their portfolio | 16.5m $1.4bn | Added +1.1m |
| FMR LLC 0.14% of their portfolio | 16.4m $1.4bn | Added +13.5m |
| NORTHERN TRUST CORP 0.27% of their portfolio | 14.9m $1.3bn | Reduced -359.1k |
| NORGES BANK 0.27% of their portfolio | 13.0m $1.1bn | Reduced -135.6k |
| PARNASSUS INVESTMENTS, LLC 2.57% of their portfolio | 12.1m $1.0bn | Added +295.3k |
| ROYAL BANK OF CANADA 0.30% of their portfolio | 11.3m $973.5m | Added +1.4m |
| Legal & General Group Plc 0.35% of their portfolio | 10.7m $917.5m | Reduced -393.7k |
| Amundi 0.49% of their portfolio | 10.2m $885.7m | Reduced -21.4k |
| Invesco Ltd. 0.25% of their portfolio | 9.9m $848.5m | Added +665.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.42% of their portfolio | 9.4m $804.7m | Reduced -488.1k |
| GOLDMAN SACHS GROUP INC 0.23% of their portfolio | 9.4m $804.2m | Added +1.4m |
| RENAISSANCE TECHNOLOGIES LLC 1.08% of their portfolio | 9.2m $790.0m | Reduced -820.0k |
| DIMENSIONAL FUND ADVISORS LP 0.27% of their portfolio | 9.0m $770.3m | Reduced -116.1k |
| Nuveen Asset Management, LLC 0.29% of their portfolio | 8.7m $743.0m | Added +663.4k |
| California Public Employees Retirement System 0.63% of their portfolio | 8.6m $740.9m | Reduced -344.5k |
| DEUTSCHE BANK AG\ 0.41% of their portfolio | 8.4m $719.4m | Reduced -227.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.99% of their portfolio | 8.2m $705.3m | Reduced -3.8m |
| WELLS FARGO & COMPANY/MN 0.22% of their portfolio | 8.2m $703.3m | Reduced -337.2k |
| BANK OF AMERICA CORP /DE/ 0.08% of their portfolio | 7.6m $651.1m | Added +601.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.21% of their portfolio | 7.5m $648.1m | Added +126.8k |
| FEDERATED HERMES, INC. 1.75% of their portfolio | 7.4m $631.6m | Reduced -779.5k |
| LSV ASSET MANAGEMENT 1.24% of their portfolio | 6.6m $563.7m | Reduced -116.9k |
| BARCLAYS PLC 0.44% of their portfolio | 6.0m $514.0m | First filing |
| Swiss National Bank 0.31% of their portfolio | 5.1m $437.3m | Reduced -341.9k |
| TWO SIGMA ADVISERS, LP 1.21% of their portfolio | 5.0m $433.2m | Reduced -816.0k |
| JPMORGAN CHASE & CO 0.06% of their portfolio | 4.9m $420.7m | Reduced -129.4k |
| MARSHALL WACE, LLP 0.98% of their portfolio | 4.4m $380.3m | Added +1.1m |
| Sumitomo Mitsui Trust Group, Inc. 0.29% of their portfolio | 4.3m $365.0m | Reduced -245.1k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.22% of their portfolio | 4.1m $352.0m | Added +944.2k |
| Ensign Peak Advisors, Inc 0.77% of their portfolio | 4.0m $340.0m | Reduced -524.4k |
| ALLIANCEBERNSTEIN L.P. 0.15% of their portfolio | 3.9m $333.9m | Added +2.1m |
| AQR CAPITAL MANAGEMENT LLC 0.73% of their portfolio | 3.8m $321.8m | Reduced -1.7m |
| Robeco Institutional Asset Management B.V. 0.91% of their portfolio | 3.7m $314.9m | Added +27.4k |
| Capital International Investors 0.08% of their portfolio | 3.7m $313.7m | Reduced -932.1k |
| HSBC HOLDINGS PLC 0.38% of their portfolio | 3.5m $303.1m | Added +1.2m |
| FIRST TRUST ADVISORS LP 0.36% of their portfolio | 3.5m $303.1m | Reduced -366.3k |
| PICTET ASSET MANAGEMENT SA 0.41% of their portfolio | 3.3m $285.0m | Added +39.9k |
| MILLENNIUM MANAGEMENT LLC 0.31% of their portfolio | 3.3m $282.9m | Reduced -77.5k |
| CREDIT SUISSE AG/ 0.29% of their portfolio | 3.2m $272.8m | Reduced -264.2k |
| Allianz Asset Management GmbH 0.58% of their portfolio | 3.0m $260.5m | Reduced -649.6k |
| Caisse de depot et placement du Quebec 0.80% of their portfolio | 3.0m $260.4m | Added +1.9m |
| WELLINGTON MANAGEMENT GROUP LLP 0.05% of their portfolio | 3.0m $257.5m | Added +2.7m |
| FRANKLIN RESOURCES INC 0.13% of their portfolio | 3.0m $257.4m | Added +337.1k |
| TWO SIGMA INVESTMENTS, LP 0.82% of their portfolio | 3.0m $253.8m | Reduced -605.1k |
| APG Asset Management N.V. 0.47% of their portfolio | 2.9m $248.9m | Added +941.5k |
| UBS Group AG 0.12% of their portfolio | 2.8m $243.0m | Added +604.0k |
| RAYMOND JAMES & ASSOCIATES 0.22% of their portfolio | 2.8m $242.6m | Reduced -160.5k |
| RHUMBLINE ADVISERS 0.32% of their portfolio | 2.7m $235.0m | Added +42.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.12% of their portfolio | 2.7m $234.2m | Added +129.4k |
| Pacer Advisors, Inc. 1.15% of their portfolio | 2.6m $225.4m | Reduced -15.2k |
| Railway Pension Investments Ltd 2.10% of their portfolio | 2.4m $209.4m | Added +266.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio | 2.4m $206.9m | Added +757.0k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.28% of their portfolio | 2.4m $205.7m | Added +43.2k |
| VICTORY CAPITAL MANAGEMENT INC 0.23% of their portfolio | 2.4m $202.7m | Reduced -148.0k |
| Man Group plc 0.71% of their portfolio | 2.3m $197.4m | Added +644.0k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.95% of their portfolio | 2.3m $196.2m | Added +155.5k |
| BANK OF MONTREAL /CAN/ 0.09% of their portfolio | 2.2m $193.0m | Added +558.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.30% of their portfolio | 2.2m $191.0m | Added +33.2k |
| National Pension Service 0.36% of their portfolio | 2.1m $184.2m | Added +9.5k |
| PRUDENTIAL FINANCIAL INC 0.31% of their portfolio | 2.1m $182.9m | Reduced -584.6k |
| JANUS HENDERSON GROUP PLC 0.12% of their portfolio | 2.0m $175.0m | Reduced -2.2m |
| D. E. Shaw & Co., Inc. 0.29% of their portfolio | 2.0m $173.1m | Added +1.6m |
| VAN ECK ASSOCIATES CORP 0.44% of their portfolio | 2.0m $170.1m | Reduced -1.7m |
| DekaBank Deutsche Girozentrale 0.44% of their portfolio | 2.0m $166.4m | Reduced -177.1k |
| ACADIAN ASSET MANAGEMENT LLC 0.82% of their portfolio | 1.9m $166.3m | Reduced -315.8k |
| Thrivent Financial for Lutherans 0.42% of their portfolio | 1.9m $161.5m | Added +36.8k |
| STIFEL FINANCIAL CORP 0.24% of their portfolio | 1.9m $160.8m | Reduced -60.2k |
| CITIGROUP INC 0.22% of their portfolio | 1.8m $158.4m | Reduced -84.0k |
| Swedbank AB 0.34% of their portfolio | 1.8m $155.8m | Added +49.5k |
| Mitsubishi UFJ Trust & Banking Corp 0.40% of their portfolio | 1.8m $154.8m | Reduced -39.3k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.24% of their portfolio | 1.7m $148.8m | Reduced -62.4k |
| US BANCORP \DE\ 0.25% of their portfolio | 1.7m $143.4m | Added +109.5k |
| CITADEL ADVISORS LLC 0.16% of their portfolio | 1.7m $142.1m | Added +1.3m |
| Candriam S.C.A. 0.95% of their portfolio | 1.6m $140.3m | Reduced -376.4k |
| Mirae Asset Global Investments Co., Ltd. 0.36% of their portfolio | 1.6m $138.6m | Reduced -25.4k |
| INTECH INVESTMENT MANAGEMENT LLC 1.03% of their portfolio | 1.6m $138.0m | Reduced -454.6k |
| Skandinaviska Enskilda Banken AB (publ) 1.03% of their portfolio | 1.6m $137.0m | Added +86.6k |
| CANADA LIFE ASSURANCE Co 0.36% of their portfolio | 1.6m $135.7m | Reduced -401.7k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.32% of their portfolio | 1.6m $133.6m | Added +585.7k |
| Allspring Global Investments Holdings, LLC 0.22% of their portfolio | 1.5m $130.3m | Reduced -48.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.10% of their portfolio | 1.5m $130.2m | Reduced -35.6k |
| Tekla Capital Management LLC 4.90% of their portfolio | 1.5m $129.7m | Reduced -111.7k |
| Russell Investments Group, Ltd. 0.26% of their portfolio | 1.5m $127.8m | Reduced -287.8k |
| WESTWOOD HOLDINGS GROUP INC 1.12% of their portfolio | 1.5m $127.2m | Reduced -110.7k |
| AMERIPRISE FINANCIAL INC 0.04% of their portfolio | 1.5m $126.6m | Reduced -137.4k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.31% of their portfolio | 1.5m $124.5m | Added +445 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.30% of their portfolio | 1.4m $124.0m | Added +14.1k |
| CONFLUENCE INVESTMENT MANAGEMENT LLC 1.72% of their portfolio | 1.3m $115.6m | Added +5.9k |
| CAPTRUST FINANCIAL ADVISORS 0.58% of their portfolio | 1.3m $115.2m | Reduced -66.2k |
| HighTower Advisors, LLC 0.26% of their portfolio | 1.3m $113.7m | Added +196.3k |
| ANTIPODES PARTNERS Ltd 4.06% of their portfolio | 1.3m $113.0m | Added +249.9k |
| BNP PARIBAS FINANCIAL MARKETS 0.28% of their portfolio | 1.3m $111.0m | Added +628.5k |