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 ($232.4m this quarter). Holder counts are more reliable. Shares outstanding: 1.2bn as of 2023-04-28, 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 ≈ $82.72. Options: 47 managers hold calls ($1.0bn notional), 43 hold puts ($822.8m).
Trends to Q1 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,605 |
| Q4 2022 | 1,770 |
| Q1 2023 | 1,741 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 766 | 833 |
| Q1 2023 | 776 | 824 |
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 |
| Q1 2023 | $1.0bn | $822.8m | 0.81 |
Biggest buyers
| FMR LLC | Added | +25.4m |
| Capital World Investors | Added | +7.6m |
| ENVESTNET ASSET MANAGEMENT INC | Added | +3.9m |
| Capital Research Global Investors | Added | +3.7m |
| ALLIANCEBERNSTEIN L.P. | Added | +3.1m |
| NEUBERGER BERMAN GROUP LLC | Added | +2.6m |
| FIRST TRUST ADVISORS LP | Added | +2.3m |
| Man Group plc | New | +1.5m |
| STRS OHIO | Added | +1.4m |
| RENAISSANCE TECHNOLOGIES LLC | Added | +1.4m |
Biggest sellers
| BlackRock Inc. | Reduced | -5.0m |
| Capital International Investors | Reduced | -3.6m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -2.8m |
| Man Group plc | Sold out | -2.3m |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Reduced | -1.8m |
| FEDERATED HERMES, INC. | Reduced | -1.7m |
| BARCLAYS PLC | Reduced | -1.5m |
| Dodge & Cox | Reduced | -1.2m |
| STATE STREET CORP | Reduced | -1.1m |
| ROYAL BANK OF CANADA | Reduced | -1.1m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $182.8m2.2m shares |
| CITADEL ADVISORS LLC | Reduced | $120.8m1.5m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $94.2m1.1m shares |
| JANE STREET GROUP, LLC | Added | $83.2m1.0m shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $71.8m865.8k shares |
| UBS Group AG | Added | $63.5m765.7k shares |
| SIMPLEX TRADING, LLC | Reduced | $44.6m537.4k shares |
| BANK OF AMERICA CORP /DE/ | Reduced | $37.7m454.5k shares |
| Twin Tree Management, LP | New | $31.2m375.9k shares |
| GROUP ONE TRADING LLC | Reduced | $31.1m374.7k shares |
Biggest puts
| UBS Group AG | Reduced | $115.3m1.4m shares |
| CITADEL ADVISORS LLC | Reduced | $91.2m1.1m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $91.0m1.1m shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $70.6m850.7k shares |
| D. E. Shaw & Co., Inc. | Added | $47.7m575.0k shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $47.2m568.8k shares |
| JPMORGAN CHASE & CO | Reduced | $33.5m403.5k shares |
| IMC-Chicago, LLC | Added | $32.4m390.6k shares |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | $30.2m3.6k shares |
| BANK OF AMERICA CORP /DE/ | Reduced | $24.1m290.2k 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 Q1 2023
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 |
|---|---|---|---|---|---|
| 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 | — |
| Q1 2023 | 0 | — | 1 | $1.5m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-03-13 | Parsey Merdad Chief Medical Officer | Sold | $483.9k6.1k shares |
| 2023-03-01 | Parsey Merdad Chief Medical Officer | Sold | $1.0m13.0k 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, Q1 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.31% of their portfolio | 126.6m $10.5bn | Reduced -5.0m |
| VANGUARD GROUP INC 0.24% of their portfolio | 113.0m $9.4bn | Added +936.1k |
| Capital World Investors 1.31% of their portfolio | 76.5m $6.3bn | Added +7.6m |
| Capital Research Global Investors 1.38% of their portfolio | 58.3m $4.8bn | Added +3.7m |
| STATE STREET CORP 0.27% of their portfolio | 57.8m $4.8bn | Reduced -1.1m |
| FMR LLC 0.16% of their portfolio | 41.8m $3.5bn | Added +25.4m |
| Dodge & Cox 1.96% of their portfolio | 34.7m $2.9bn | Reduced -1.2m |
| GEODE CAPITAL MANAGEMENT, LLC 0.26% of their portfolio | 23.8m $2.0bn | Reduced -83.4k |
| Bank of New York Mellon Corp 0.31% of their portfolio | 17.0m $1.4bn | Added +466.6k |
| MORGAN STANLEY 0.14% of their portfolio | 16.1m $1.3bn | Reduced -1.1m |
| NORTHERN TRUST CORP 0.24% of their portfolio | 14.5m $1.2bn | Reduced -392.7k |
| NORGES BANK 0.26% of their portfolio | 14.1m $1.2bn | Added +1.1m |
| PARNASSUS INVESTMENTS, LLC 2.46% of their portfolio | 12.0m $994.6m | Reduced -75.6k |
| Amundi 0.48% of their portfolio | 10.6m $887.6m | Added +437.3k |
| RENAISSANCE TECHNOLOGIES LLC 1.17% of their portfolio | 10.6m $878.2m | Added +1.4m |
| Legal & General Group Plc 0.31% of their portfolio | 10.6m $876.9m | Reduced -117.7k |
| GOLDMAN SACHS GROUP INC 0.23% of their portfolio | 10.5m $870.1m | Added +1.1m |
| ROYAL BANK OF CANADA 0.25% of their portfolio | 10.2m $850.0m | Reduced -1.1m |
| Invesco Ltd. 0.24% of their portfolio | 10.2m $843.8m | Added +287.0k |
| Nuveen Asset Management, LLC 0.29% of their portfolio | 9.3m $769.1m | Added +614.2k |
| DEUTSCHE BANK AG\ 0.43% of their portfolio | 9.2m $763.4m | Added +821.7k |
| DIMENSIONAL FUND ADVISORS LP 0.25% of their portfolio | 9.0m $748.2m | Added +46.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.36% of their portfolio | 8.9m $738.8m | Reduced -468.4k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.88% of their portfolio | 8.2m $679.6m | Reduced -24.8k |
| California Public Employees Retirement System 0.60% of their portfolio | 8.2m $679.0m | Reduced -446.7k |
| BANK OF AMERICA CORP /DE/ 0.07% of their portfolio | 7.7m $638.8m | Added +115.5k |
| WELLS FARGO & COMPANY/MN 0.19% of their portfolio | 7.6m $630.7m | Reduced -590.2k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.19% of their portfolio | 7.4m $614.1m | Reduced -147.5k |
| ALLIANCEBERNSTEIN L.P. 0.25% of their portfolio | 7.0m $579.6m | Added +3.1m |
| ENVESTNET ASSET MANAGEMENT INC 0.09% of their portfolio | 6.6m $189.7m | Added +3.9m |
| LSV ASSET MANAGEMENT 1.21% of their portfolio | 6.5m $538.0m | Reduced -80.9k |
| FIRST TRUST ADVISORS LP 0.56% of their portfolio | 5.9m $487.0m | Added +2.3m |
| FEDERATED HERMES, INC. 1.18% of their portfolio | 5.6m $468.0m | Reduced -1.7m |
| TWO SIGMA ADVISERS, LP 1.12% of their portfolio | 5.2m $434.5m | Added +189.9k |
| MARSHALL WACE, LLP 1.04% of their portfolio | 5.1m $421.0m | Added +644.7k |
| Swiss National Bank 0.28% of their portfolio | 5.0m $413.0m | Reduced -116.5k |
| BARCLAYS PLC 0.39% of their portfolio | 4.5m $374.8m | Reduced -1.5m |
| JPMORGAN CHASE & CO 0.05% of their portfolio | 4.5m $371.8m | Reduced -419.1k |
| PICTET ASSET MANAGEMENT SA 0.44% of their portfolio | 4.3m $352.7m | Added +931.9k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.19% of their portfolio | 4.1m $342.9m | Added +30.4k |
| WELLINGTON MANAGEMENT GROUP LLP 0.07% of their portfolio | 4.1m $340.4m | Added +1.1m |
| Sumitomo Mitsui Trust Group, Inc. 0.24% of their portfolio | 3.9m $322.7m | Reduced -362.7k |
| Robeco Institutional Asset Management B.V. 0.87% of their portfolio | 3.9m $320.6m | Added +196.1k |
| Ensign Peak Advisors, Inc 0.64% of their portfolio | 3.6m $296.7m | Reduced -384.7k |
| AQR CAPITAL MANAGEMENT LLC 0.63% of their portfolio | 3.5m $287.1m | Reduced -259.1k |
| Pacer Advisors, Inc. 1.24% of their portfolio | 3.5m $289.9m | Added +867.6k |
| CREDIT SUISSE AG/ 0.29% of their portfolio | 3.5m $288.8m | Added +302.7k |
| Allianz Asset Management GmbH 0.55% of their portfolio | 3.2m $263.3m | Added +139.0k |
| Caisse de depot et placement du Quebec 0.74% of their portfolio | 3.1m $259.8m | Added +98.0k |
| NEUBERGER BERMAN GROUP LLC 0.22% of their portfolio | 2.8m $233.0m | Added +2.6m |
| HSBC HOLDINGS PLC 0.30% of their portfolio | 2.8m $232.0m | Reduced -743.0k |
| RHUMBLINE ADVISERS 0.29% of their portfolio | 2.8m $231.7m | Added +56.0k |
| FRANKLIN RESOURCES INC 0.11% of their portfolio | 2.7m $223.7m | Reduced -302.3k |
| Railway Pension Investments Ltd 2.23% of their portfolio | 2.6m $217.8m | Added +186.5k |
| APG Asset Management N.V. 0.42% of their portfolio | 2.6m $197.7m | Reduced -310.7k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio | 2.5m $205.6m | Added +67.4k |
| VICTORY CAPITAL MANAGEMENT INC 0.22% of their portfolio | 2.4m $197.3m | Added +17.6k |
| RAYMOND JAMES & ASSOCIATES 0.17% of their portfolio | 2.4m $196.8m | Reduced -453.4k |
| TWO SIGMA INVESTMENTS, LP 0.58% of their portfolio | 2.4m $196.6m | Reduced -586.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.25% of their portfolio | 2.3m $189.9m | Reduced -107.7k |
| AMERICAN CENTURY COMPANIES INC 0.15% of their portfolio | 2.3m $188.4m | Added +1.1m |
| CITADEL ADVISORS LLC 0.20% of their portfolio | 2.3m $186.8m | Added +596.7k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.27% of their portfolio | 2.2m $182.8m | Reduced -20.6k |
| National Pension Service 0.32% of their portfolio | 2.2m $178.1m | Added +40.6k |
| PRUDENTIAL FINANCIAL INC 0.27% of their portfolio | 2.1m $175.5m | Reduced -15.4k |
| UBS Group AG 0.08% of their portfolio | 2.1m $173.2m | Reduced -743.2k |
| STRS OHIO 0.26% of their portfolio | 2.1m $171.6m | Added +1.4m |
| VAN ECK ASSOCIATES CORP 0.38% of their portfolio | 2.0m $166.0m | Added +18.3k |
| DekaBank Deutsche Girozentrale 0.41% of their portfolio | 2.0m $162.6m | Added +36.2k |
| CITIGROUP INC 0.21% of their portfolio | 1.9m $158.8m | Added +68.7k |
| Mitsubishi UFJ Trust & Banking Corp 0.38% of their portfolio | 1.9m $155.5m | Added +71.7k |
| BANK OF MONTREAL /CAN/ 0.07% of their portfolio | 1.9m $159.3m | Reduced -373.6k |
| AXA S.A. 0.53% of their portfolio | 1.8m $152.8m | Added +660.1k |
| D. E. Shaw & Co., Inc. 0.25% of their portfolio | 1.8m $152.5m | Reduced -178.1k |
| ACADIAN ASSET MANAGEMENT LLC 0.66% of their portfolio | 1.8m $150.0m | Reduced -129.5k |
| WESTWOOD HOLDINGS GROUP INC 1.29% of their portfolio | 1.7m $143.1m | Added +244.0k |
| Swedbank AB 0.28% of their portfolio | 1.7m $142.8m | Reduced -94.0k |
| STIFEL FINANCIAL CORP 0.20% of their portfolio | 1.7m $139.4m | Reduced -193.8k |
| AMERIPRISE FINANCIAL INC 0.05% of their portfolio | 1.7m $139.3m | Added +204.2k |
| INTECH INVESTMENT MANAGEMENT LLC 1.12% of their portfolio | 1.7m $139.1m | Added +69.0k |
| Candriam S.C.A. 0.89% of their portfolio | 1.7m $127.7m | Added +37.5k |
| Skandinaviska Enskilda Banken AB (publ) 0.97% of their portfolio | 1.7m $138.6m | Added +74.8k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.30% of their portfolio | 1.6m $135.4m | Added +75.5k |
| CANADA LIFE ASSURANCE Co 0.33% of their portfolio | 1.6m $134.6m | Added +45.8k |
| JANUS HENDERSON GROUP PLC 0.09% of their portfolio | 1.6m $133.3m | Reduced -431.2k |
| Thrivent Financial for Lutherans 0.32% of their portfolio | 1.6m $132.6m | Reduced -283.9k |
| Brandywine Global Investment Management, LLC 0.53% of their portfolio | 1.6m $130.9m | Added +820.7k |
| US BANCORP \DE\ 0.22% of their portfolio | 1.6m $129.5m | Reduced -110.0k |
| Tekla Capital Management LLC 4.93% of their portfolio | 1.6m $129.4m | Added +49.4k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.19% of their portfolio | 1.5m $128.3m | Reduced -187.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.09% of their portfolio | 1.5m $127.0m | Added +14.1k |
| TORONTO DOMINION BANK 0.20% of their portfolio | 1.5m $123.2m | Added +810.1k |
| Man Group plc 0.44% of their portfolio | 1.5m $123.0m | New |
| Russell Investments Group, Ltd. 0.24% of their portfolio | 1.5m $122.4m | Reduced -9.5k |
| Korea Investment CORP 0.35% of their portfolio | 1.5m $120.9m | Added +225.3k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.28% of their portfolio | 1.4m $119.7m | Reduced -8.0k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.28% of their portfolio | 1.4m $119.5m | Reduced -4.1k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.19% of their portfolio | 1.4m $118.4m | Added +152.2k |
| Mirae Asset Global Investments Co., Ltd. 0.27% of their portfolio | 1.4m $117.2m | Reduced -202.5k |
| CAPTRUST FINANCIAL ADVISORS 0.51% of their portfolio | 1.4m $116.7m | Added +65.0k |