Gilead Sciences, Inc.
US ˙ NasdaqGS ˙ US3755581036

SecurityGILD / Gilead Sciences, Inc.
InstitutionWestpac Banking Corp
Latest Disclosed Ownership80,033 shares
Latest Disclosed Value $ 11,154,199
Westpac Banking Corp reports 13.24% decrease in ownership of GILD / Gilead Sciences, Inc.

On May 11, 2026 - Westpac Banking Corp filed a 13F-HR form disclosing ownership of 80,033 shares of Gilead Sciences, Inc. (US:GILD) valued at $11,154,199 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 92,247 shares of Gilead Sciences, Inc.. This represents a change in shares of -13.24% during the quarter. The current value of the position is $10,323,457 USD.

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)
2026-05-11 2026-03-31 13F GILEAD SCIENCES COM 375558103 80,033 -12,214 -13.24 11,154 -1.48 0.3885
2026-02-10 2025-12-31 13F GILEAD SCIENCES COM 375558103 92,247 5,787 6.69 11,322 17.97 0.7152
2025-11-14 2025-09-30 13F/A-1 GILEAD SCIENCES INC USD 0.001 COM 375558103 86,460 0 0.00 9,597 0.13 0.5948
2025-11-12 2025-09-30 13F GILEAD SCIENCES INC USD 0.001 COM 375558103 86,460 0 9,597 0.2409
2025-08-11 2025-06-30 13F GILEAD SCIENCES COM 375558103 86,460 2,027 2.40 9,586 1.32 0.6408
2025-05-13 2025-03-31 13F GILEAD SCIENCES COM 375558103 84,433 4,135 5.15 9,461 27.54 0.6960
2025-02-12 2024-12-31 13F GILEAD SCIENCES COM 375558103 80,298 1,449 1.84 7,417 12.21 0.4922
2024-11-08 2024-09-30 13F GILEAD SCIENCES COM 375558103 78,849 3,416 4.53 6,611 27.73 0.4432
2024-08-14 2024-06-30 13F/A-1 GILEAD SCIENCES COM 375558103 75,433 0 0.00 5,175 -6.33 0.4104
2024-08-13 2024-06-30 13F GILEAD SCIENCES COM 375558103 138 -75,295 5,175 0.1779
2024-05-09 2024-03-31 13F GILEAD SCIENCES COM 375558103 75,433 -922 -1.21 5,525 -10.67 0.4210
2024-02-08 2023-12-31 13F GILEAD SCIENCES COM 375558103 76,355 -2,662 -3.37 6,186 4.46 0.5099
2023-11-13 2023-09-30 13F GILEAD SCIENCES COM 375558103 79,017 -621 -0.78 5,922 -3.52 0.4431
2023-08-10 2023-06-30 13F GILEAD SCIENCES COM 375558103 79,638 -177,412 -69.02 6,138 -71.22 0.4331
2023-05-04 2023-03-31 13F GILEAD SCIENCES COM 375558103 257,050 -36,816 -12.53 21,327 -15.46 0.2867
2023-02-06 2022-12-31 13F GILEAD SCIENCES COM 375558103 293,866 138,537 89.19 25,228 163.29 0.3729
2022-11-08 2022-09-30 13F GILEAD SCIENCES COM 375558103 155,329 11,022 7.64 9,582 7.43 0.1461
2022-08-10 2022-06-30 13F GILEAD SCIENCES COM 375558103 144,307 36,489 33.84 8,920 39.16 0.1162
2022-05-11 2022-03-31 13F GILEAD SCIENCES COM 375558103 107,818 4,526 4.38 6,410 -14.55 0.0735
2022-02-08 2021-12-31 13F GILEAD SCIENCES COM 375558103 103,292 227 0.22 7,500 4.18 0.0777
2021-10-27 2021-09-30 13F GILEAD SCIENCES COM 375558103 103,065 -9,208 -8.20 7,199 -6.88 0.0770
2021-08-11 2021-06-30 13F GILEAD SCIENCES COM 375558103 112,273 -5,861 -4.96 7,731 1.26 0.0776
2021-05-13 2021-03-31 13F GILEAD SCIENCES COM 375558103 118,134 -25,494 -17.75 7,635 -8.75 0.0842
2021-02-11 2020-12-31 13F GILEAD SCIENCES COM 375558103 143,628 -4,607 -3.11 8,368 -10.67 0.0950
2020-11-10 2020-09-30 13F GILEAD SCIENCES COM 375558103 148,235 6,839 4.84 9,367 -13.91 0.1269
2020-08-12 2020-06-30 13F GILEAD SCIENCES COM 375558103 141,396 -37,110 -20.79 10,879 -18.48 0.1622
2020-05-14 2020-03-31 13F GILEAD SCIENCES COM 375558103 178,506 -95,265 -34.80 13,345 -24.98 0.2300
2020-02-11 2019-12-31 13F GILEAD SCIENCES COM 375558103 273,771 72,152 35.79 17,790 39.22 0.2290
2019-11-13 2019-09-30 13F GILEAD SCIENCES COM 375558103 201,619 471 0.23 12,779 -5.97 0.1777
2019-08-01 2019-06-30 13F GILEAD SCIENCES COM 375558103 201,148 13,352 7.11 13,590 11.31 0.2075
2019-05-14 2019-03-31 13F GILEAD SCIENCES COM 375558103 187,796 80,931 75.73 12,209 82.65 0.2015
2019-02-07 2018-12-31 13F GILEAD SCIENCES COM 375558103 106,865 2,763 2.65 6,684 -16.83 0.1139
2018-11-13 2018-09-30 13F GILEAD SCIENCES COM 375558103 104,102 868 0.84 8,038 9.90 0.1378
2018-07-18 2018-06-30 13F GILEAD SCIENCES COM 375558103 103,234 0 0.00 7,313 -6.03 0.1405
2018-05-01 2018-03-31 13F GILEAD SCIENCES COM 375558103 103,234 18,171 21.36 7,783 27.72 0.1554
2018-01-18 2017-12-31 13F GILEAD SCIENCES COM 375558103 85,063 541 0.64 6,094 -11.01 0.1385
2017-10-30 2017-09-30 13F GILEAD SCIENCES COM 375558103 84,522 -2,803 -3.21 6,848 10.79 0.1508
2017-08-09 2017-06-30 13F GILEAD SCIENCES COM 375558103 87,325 -316,589 -78.38 6,181 -77.47 0.1361
2017-05-18 2017-03-31 13F/A-1 GILEAD SCIENCES COM 375558103 403,914 101,336 33.49 27,434 -0.19 0.2199
2017-05-11 2017-03-31 13F GILEAD SCIENCES COM 375558103 334,939 25,798
2017-02-09 2016-12-31 13F GILEAD SCIENCES COM 375558103 302,578 -75,485 -19.97 27,485 -8.11 0.2592
2016-11-10 2016-09-30 13F GILEAD SCIENCES COM 375558103 378,063 -19,673 -4.95 29,912 -2.68 0.3231
2016-08-10 2016-06-30 13F GILEAD SCIENCES COM 375558103 397,736 75,923 23.59 30,737 3.97 0.3365
2016-05-13 2016-03-31 13F GILEAD SCIENCES COM 375558103 321,813 -1,407,324 -81.39 29,562 -83.11 0.3214
2016-02-11 2015-12-31 13F GILEAD SCIENCES COM 375558103 1,729,137 -306,204 -15.04 174,971 -12.43 1.9356
2015-11-16 2015-09-30 13F/A-1 GILEAD SCIENCES COM 375558103 2,035,341 148,733 7.88 199,801 -9.55 2.1990
2015-11-12 2015-09-30 13F GILEAD SCIENCES COM 375558103 2,035,341 199,801
2015-08-12 2015-06-30 13F GILEAD SCIENCES COM 375558103 1,886,608 -265,812 -12.35 220,884 -0.23 2.1602
2015-05-12 2015-03-31 13F GILEAD SCIENCES COM 375558103 2,152,420 52,996 2.52 221,403 11.88 1.9234
2015-02-11 2014-12-31 13F GILEAD SCIENCES COM 375558103 2,099,424 418,913 24.93 197,892 10.62 1.8826
2014-11-12 2014-09-30 13F GILEAD SCIENCES COM 375558103 1,680,511 13,631 0.82 178,890 29.44 1.7434
2014-08-11 2014-06-30 13F GILEAD SCIENCES COM 375558103 1,666,880 126,218 8.19 138,201 26.59 1.3315
2014-05-12 2014-03-31 13F GILEAD SCIENCES COM 375558103 1,540,662 303,007 24.48 109,171 17.45 1.1627
2014-02-13 2013-12-31 13F GILEAD SCIENCES COM 375558103 1,237,655 1,139,985 1,167.18 92,953 1,414.62 1.0635
2013-11-12 2013-09-30 13F GILEAD SCIENCES COM 375558103 97,670 -98,637 -50.25 6,138 -36.89 0.0767
2013-08-14 2013-06-30 13F GILEAD SCIENCES COM 375558103 196,307 196,307 9,724 0.1486
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.