Gilead Sciences, Inc.
US ˙ NasdaqGS ˙ US3755581036

SecurityGILD / Gilead Sciences, Inc.
InstitutionWiley Bros.-aintree Capital, Llc
Latest Disclosed Ownership384,268 shares
Latest Disclosed Value $ 53,596,995
Wiley Bros.-aintree Capital, Llc reports 8.92% increase in ownership of GILD / Gilead Sciences, Inc.

On May 15, 2026 - Wiley Bros.-aintree Capital, Llc filed a 13F-HR form disclosing ownership of 384,268 shares of Gilead Sciences, Inc. (US:GILD) valued at $53,555,431 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 352,784 shares of Gilead Sciences, Inc.. This represents a change in shares of 8.92% during the quarter. The current value of the position is $49,566,729 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)
2026-05-15 2026-03-31 13F GILEAD SCIENCES COM 375558103 384,268 31,484 8.92 53,597 23.75 0.2649
2026-02-17 2025-12-31 13F GILEAD SCIENCES COM 375558103 352,784 49,405 16.28 43,309 28.71 0.2266
2025-11-14 2025-09-30 13F GILEAD SCIENCES COM 375558103 303,379 29,789 10.89 33,650 10.88 0.2155
2025-08-14 2025-06-30 13F GILEAD SCIENCES COM 375558103 273,590 171,989 169.28 30,348 166.87 0.2329
2025-05-15 2025-03-31 13F GILEAD SCIENCES COM 375558103 101,601 3,272 3.33 11,373 26.54 0.1208
2025-02-14 2024-12-31 13F GILEAD SCIENCES COM 375558103 98,329 37,315 61.16 8,987 75.70 0.1078
2024-11-14 2024-09-30 13F GILEAD SCIENCES COM 375558103 61,014 35,279 137.09 5,116 190.96 0.0987
2024-07-24 2024-06-30 13F GILEAD SCIENCES COM 375558103 25,735 21,511 509.26 1,759 468.93 0.0770
2024-04-11 2024-03-31 13F GILEAD SCIENCES COM 375558103 4,224 4,224 309 0.0426
2020-07-07 2020-06-30 13F GILEAD SCIENCES COM 375558103 0 -2,700 -100.00 0 -100.00
2020-04-03 2020-03-31 13F GILEAD SCIENCES COM 375558103 2,700 2,700 202 0.3143
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.