Gilead Sciences, Inc.
CH ˙ SWX ˙ US3755581036
SecurityCH:GILD / Gilead Sciences, Inc.
InstitutionWorldquant Millennium Advisors Llc
Latest Disclosed Ownership429,035 shares
Latest Disclosed Value $ 59,794,608
Worldquant Millennium Advisors Llc reports 108.71% increase in ownership of GILD / Gilead Sciences, Inc.

On May 15, 2026 - Worldquant Millennium Advisors Llc filed a 13F-HR form disclosing ownership of 429,035 shares of Gilead Sciences, Inc. (CH:GILD) valued at $59,794,608 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 205,565 shares of Gilead Sciences, Inc.. This represents a change in shares of 108.71% 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 429,035 223,470 108.71 59,795 136.99 0.2306
2026-02-17 2025-12-31 13F GILEAD SCIENCES COM 375558103 205,565 -1,022,080 -83.26 25,231 -81.48 0.0979
2025-11-14 2025-09-30 13F GILEAD SCIENCES COM 375558103 1,227,645 450,397 57.95 136,269 58.13 0.5887
2025-08-14 2025-06-30 13F GILEAD SCIENCES COM 375558103 777,248 777,248 86,173 0.4281
2025-02-14 2024-12-31 13F GILEAD SCIENCES COM 375558103 0 -135,420 -100.00 0 -100.00
2024-11-14 2024-09-30 13F GILEAD SCIENCES COM 375558103 135,420 -775,397 -85.13 11,354 -81.83 0.0831
2024-08-14 2024-06-30 13F GILEAD SCIENCES COM 375558103 910,817 837,368 1,140.07 62,491 1,061.54 0.5698
2024-05-15 2024-03-31 13F GILEAD SCIENCES COM 375558103 73,449 0 0.00 5,380 -9.58 0.0664
2024-02-14 2023-12-31 13F GILEAD SCIENCES COM 375558103 73,449 -41,970 -36.36 5,950 -31.21 0.0833
2023-11-14 2023-09-30 13F GILEAD SCIENCES COM 375558103 115,419 15,672 15.71 8,650 12.51 0.1335
2023-08-14 2023-06-30 13F GILEAD SCIENCES COM 375558103 99,747 -271,429 -73.13 7,688 25,523.33 0.1301
2023-05-15 2023-03-31 13F GILEAD SCIENCES COM 375558103 371,176 90,182 32.09 31 25.00 0.5700
2023-02-14 2022-12-31 13F GILEAD SCIENCES COM 375558103 280,994 26,768 10.53 24 -99.85 0.5495
2022-11-14 2022-09-30 13F GILEAD SCIENCES COM 375558103 254,226 177,815 232.71 15,683 232.06 0.3811
2022-08-15 2022-06-30 13F GILEAD SCIENCES COM 375558103 76,411 4,579 6.37 4,723 10.61 0.1352
2022-05-16 2022-03-31 13F GILEAD SCIENCES COM 375558103 71,832 -11,616 -13.92 4,270 -29.53 0.1041
2022-02-14 2021-12-31 13F GILEAD SCIENCES COM 375558103 83,448 -2,240 -2.61 6,059 1.24 0.1204
2021-11-15 2021-09-30 13F GILEAD SCIENCES COM 375558103 85,688 -4,620 -5.12 5,985 -3.76 0.1309
2021-08-16 2021-06-30 13F GILEAD SCIENCES COM 375558103 90,308 -18,389 -16.92 6,219 -11.47 0.1374
2021-05-17 2021-03-31 13F GILEAD SCIENCES COM 375558103 108,697 0 0.00 7,025 10.93 0.1492
2021-02-16 2020-12-31 13F GILEAD SCIENCES COM 375558103 108,697 0 0.00 6,333 -7.80 0.1385
2020-11-16 2020-09-30 13F GILEAD SCIENCES COM 375558103 108,697 1,536 1.43 6,869 -16.69 0.1628
2020-08-14 2020-06-30 13F GILEAD SCIENCES COM 375558103 107,161 -27,773 -20.58 8,245 -18.27 0.1897
2020-05-14 2020-03-31 13F GILEAD SCIENCES COM 375558103 134,934 -269,246 -66.62 10,088 -61.59 0.2454
2020-02-14 2019-12-31 13F GILEAD SCIENCES COM 375558103 404,180 -27,158 -6.30 26,264 -3.93 0.5028
2019-11-14 2019-09-30 13F GILEAD SCIENCES COM 375558103 431,338 -165,110 -27.68 27,338 -32.16 0.5316
2019-08-14 2019-06-30 13F GILEAD SCIENCES COM 375558103 596,448 97,649 19.58 40,296 24.27 0.7673
2019-05-14 2019-03-31 13F GILEAD SCIENCES COM 375558103 498,799 498,799 32,427 0.7690
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.