Gilead Sciences, Inc.
CH ˙ SWX ˙ US3755581036
SecurityCH:GILD / Gilead Sciences, Inc.
InstitutionAdvisors Asset Management, Inc.
Latest Disclosed Ownership155,253 shares
Latest Disclosed Value $ 21,637,611
Advisors Asset Management, Inc. reports 4.53% decrease in ownership of GILD / Gilead Sciences, Inc.

On May 15, 2026 - Advisors Asset Management, Inc. filed a 13F-HR form disclosing ownership of 155,253 shares of Gilead Sciences, Inc. (CH:GILD) valued at $21,637,611 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 162,623 shares of Gilead Sciences, Inc.. This represents a change in shares of -4.53% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F GILEAD SCIENCES COM 375558103 155,253 -7,370 -4.53 21,638 8.40 0.3592
2026-02-12 2025-12-31 13F GILEAD SCIENCES COM 375558103 162,623 -7,634 -4.48 19,960 5.62 0.3351
2025-11-06 2025-09-30 13F GILEAD SCIENCES COM 375558103 170,257 -35,774 -17.36 18,899 -17.27 0.3207
2025-08-12 2025-06-30 13F GILEAD SCIENCES COM 375558103 206,031 -33,903 -14.13 22,843 -15.03 0.4090
2025-05-15 2025-03-31 13F GILEAD SCIENCES COM 375558103 239,934 14,358 6.37 26,885 29.03 0.5051
2025-02-10 2024-12-31 13F GILEAD SCIENCES COM 375558103 225,576 -29,260 -11.48 20,836 -2.48 0.3838
2024-11-08 2024-09-30 13F GILEAD SCIENCES COM 375558103 254,836 -18,896 -6.90 21,365 13.76 0.3924
2024-08-14 2024-06-30 13F GILEAD SCIENCES COM 375558103 273,732 11,232 4.28 18,781 -2.33 0.3663
2024-05-14 2024-03-31 13F GILEAD SCIENCES COM 375558103 262,500 -11,718 -4.27 19,228 -13.44 0.3696
2024-02-14 2023-12-31 13F GILEAD SCIENCES COM 375558103 274,218 -42,521 -13.42 22,214 -6.41 0.4535
2023-11-14 2023-09-30 13F GILEAD SCIENCES COM 375558103 316,739 -3,397 -1.06 23,736 -3.79 0.5121
2023-08-14 2023-06-30 13F GILEAD SCIENCES COM 375558103 320,136 -27,918 -8.02 24,673 -14.56 0.5041
2023-05-12 2023-03-31 13F GILEAD SCIENCES COM 375558103 348,054 45 0.01 28,878 -3.34 0.5875
2023-02-13 2022-12-31 13F GILEAD SCIENCES COM 375558103 348,009 25,863 8.03 29,877 50.33 0.6155
2022-11-08 2022-09-30 13F GILEAD SCIENCES COM 375558103 322,146 18,525 6.10 19,873 5.89 0.4178
2022-08-08 2022-06-30 13F GILEAD SCIENCES COM 375558103 303,621 34,453 12.80 18,767 17.28 0.3560
2022-05-17 2022-03-31 13F GILEAD SCIENCES COM 375558103 269,168 19,875 7.97 16,002 -11.60 0.2464
2022-02-15 2021-12-31 13F GILEAD SCIENCES COM 375558103 249,293 20,186 8.81 18,101 13.11 0.2584
2021-11-12 2021-09-30 13F GILEAD SCIENCES COM 375558103 229,107 14,808 6.91 16,003 8.44 0.2433
2021-07-30 2021-06-30 13F GILEAD SCIENCES COM 375558103 214,299 28,290 15.21 14,757 22.75 0.2177
2021-05-07 2021-03-31 13F GILEAD SCIENCES COM 375558103 186,009 4,393 2.42 12,022 13.62 0.1869
2021-02-12 2020-12-31 13F GILEAD SCIENCES COM 375558103 181,616 -2,408 -1.31 10,581 -9.00 0.1750
2020-11-16 2020-09-30 13F GILEAD SCIENCES COM 375558103 184,024 -18,903 -9.32 11,628 -25.52 0.2150
2020-08-12 2020-06-30 13F GILEAD SCIENCES COM 375558103 202,927 -25,397 -11.12 15,613 -8.54 0.3040
2020-05-15 2020-03-31 13F GILEAD SCIENCES COM 375558103 228,324 -25,411 -10.01 17,070 3.53 0.4061
2020-05-20 2019-12-31 13F/A-1 GILEAD SCIENCES COM 375558103 253,735 29,197 13.00 16,488 15.86 0.2891
2020-02-14 2019-12-31 13F GILEAD SCIENCES COM 375558103 253,735 29,197 16,488 145,934.3890
2019-11-14 2019-09-30 13F GILEAD SCIENCES COM 375558103 224,538 27,824 14.14 14,231 7.08 0.2621
2019-11-14 2019-06-30 13F/A-1 GILEAD SCIENCES COM 375558103 196,714 44,964 29.63 13,290 34.72 0.2397
2019-08-14 2019-06-30 13F GILEAD SCIENCES COM 375558103 196,714 44,964 13,290
2019-05-15 2019-03-31 13F GILEAD SCIENCES COM 375558103 151,750 60,575 66.44 9,865 72.98 0.1756
2019-02-06 2018-12-31 13F/A-1 GILEAD SCIENCES COM 375558103 91,175 28,507 45.49 5,703 17.85 0.1148
2019-01-31 2018-12-31 13F GILEAD SCIENCES COM 375558103 91,175 28,507 5,703
2018-11-15 2018-09-30 13F GILEAD SCIENCES COM 375558103 62,668 -57,510 -47.85 4,839 -43.16 0.0791
2018-08-22 2018-06-30 13F/A-1 GILEAD SCIENCES COM 375558103 120,178 -68,766 -36.39 8,513 -42.77 0.1446
2018-08-15 2018-06-30 13F GILEAD SCIENCES COM 375558103 40,218 -148,726 8,513
2018-05-15 2018-03-31 13F GILEAD SCIENCES COM 375558103 188,944 -3,546 -1.84 14,876 7.88 0.2493
2018-02-13 2017-12-31 13F GILEAD SCIENCES COM 375558103 192,490 720 0.38 13,790 -11.24 0.2267
2017-11-07 2017-09-30 13F GILEAD SCIENCES COM 375558103 191,770 29,118 17.90 15,537 34.95 0.2603
2017-08-02 2017-06-30 13F GILEAD SCIENCES COM 375558103 162,652 74,350 84.20 11,513 91.98 0.1924
2017-05-02 2017-03-31 13F GILEAD SCIENCES COM 375558103 88,302 24,429 38.25 5,997 18.66 0.1005
2016-10-31 2016-09-30 13F GILEAD SCIENCES COM 375558103 63,873 -6,647 -9.43 5,054 -14.09 0.0829
2016-08-08 2016-06-30 13F GILEAD SCIENCES COM 375558103 70,520 108 0.15 5,883 -9.04 0.0954
2016-05-16 2016-03-31 13F GILEAD SCIENCES COM 375558103 70,412 -1,667 -2.31 6,468 -11.32 0.1076
2016-02-10 2015-12-31 13F GILEAD SCIENCES COM 375558103 72,079 1,985 2.83 7,294 5.97 0.1157
2015-11-16 2015-09-30 13F GILEAD SCIENCES COM 375558103 70,094 1,581 2.31 6,883 -14.20 0.1098
2015-08-11 2015-06-30 13F GILEAD SCIENCES COM 375558103 68,513 5,666 9.02 8,022 30.08 0.1101
2015-05-13 2015-03-31 13F GILEAD SCIENCES COM 375558103 62,847 1,781 2.92 6,167 7.14 0.0821
2015-02-05 2014-12-31 13F GILEAD SCIENCES COM 375558103 61,066 3,874 6.77 5,756 -5.45 0.0772
2014-11-13 2014-09-30 13F GILEAD SCIENCES COM 375558103 57,192 -1,701 -2.89 6,088 24.68 0.0840
2014-08-14 2014-06-30 13F GILEAD SCIENCES COM 375558103 58,893 3,995 7.28 4,883 25.53 0.0677
2014-05-15 2014-03-31 13F GILEAD SCIENCES COM 375558103 54,898 6,346 13.07 3,890 6.60 0.0590
2014-02-03 2013-12-31 13F GILEAD SCIENCES COM 375558103 48,552 3,121 6.87 3,649 27.81 0.0588
2013-11-15 2013-09-30 13F GILEAD SCIENCES COM 375558103 45,431 4,082 9.87 2,855 34.86 0.0507
2013-08-14 2013-06-30 13F GILEAD SCIENCES COM 375558103 41,349 41,349 2,117 0.0400
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.