Gilead Sciences, Inc.
CH ˙ SWX ˙ US3755581036
SecurityCH:GILD / Gilead Sciences, Inc.
InstitutionOstrum Asset Management
Latest Disclosed Ownership8,030 shares
Latest Disclosed Value $ 1,119,141
Ostrum Asset Management reports 69.69% decrease in ownership of GILD / Gilead Sciences, Inc.

On May 14, 2026 - Ostrum Asset Management filed a 13F-HR form disclosing ownership of 8,030 shares of Gilead Sciences, Inc. (CH:GILD) valued at $1,119,141 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 26,496 shares of Gilead Sciences, Inc.. This represents a change in shares of -69.69% 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)
2026-05-14 2026-03-31 13F GILEAD SCIENCES Common Stock 375558103 8,030 -18,466 -69.69 1,119 -65.59 0.0628
2026-02-13 2025-12-31 13F GILEAD SCIENCES Common Stock 375558103 26,496 -7,077 -21.08 3,252 -12.72 0.1560
2025-11-14 2025-09-30 13F GILEAD SCIENCES Common Stock 375558103 33,573 5,099 17.91 3,727 18.06 0.1674
2025-08-13 2025-06-30 13F GILEAD SCIENCES Common Stock 375558103 28,474 -6,879 -19.46 3,157 -20.32 0.1479
2025-05-14 2025-03-31 13F GILEAD SCIENCES Common Stock 375558103 35,353 -777 -2.15 3,961 18.70 0.2085
2025-02-13 2024-12-31 13F GILEAD SCIENCES Common Stock 375558103 36,130 -10,934 -23.23 3,337 -15.41 0.2890
2024-11-13 2024-09-30 13F GILEAD SCIENCES Common Stock 375558103 47,064 -17,275 -26.85 3,946 -10.63 0.3265
2024-08-13 2024-06-30 13F GILEAD SCIENCES Common Stock 375558103 64,339 -10,193 -13.68 4,414 -19.14 0.3850
2024-05-13 2024-03-31 13F GILEAD SCIENCES Common Stock 375558103 74,532 -1,326 -1.75 5,459 -11.16 0.4315
2024-02-13 2023-12-31 13F GILEAD SCIENCES Common Stock 375558103 75,858 10,627 16.29 6,145 25.72 0.5341
2023-11-14 2023-09-30 13F GILEAD SCIENCES Common Stock 375558103 65,231 -12,679 -16.27 4,888 -18.59 0.4524
2023-08-11 2023-06-30 13F GILEAD SCIENCES Common Stock 375558103 77,910 -7,875 -9.18 6,005 -15.64 0.5033
2023-05-12 2023-03-31 13F GILEAD SCIENCES Common Stock 375558103 85,785 85,785 7,118 0.6201
2019-05-15 2019-03-31 13F GILEAD SCIENCES Common Stock 375558103 0 -11,945 -100.00 0 -100.00
2019-02-14 2018-12-31 13F GILEAD SCIENCES Common Stock 375558103 11,945 11,945 747 0.2932
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.