Gilead Sciences, Inc.
CH ˙ SWX ˙ US3755581036
SecurityCH:GILD / Gilead Sciences, Inc.
InstitutionGts Securities Llc
Latest Disclosed Ownership7,077 shares
Latest Disclosed Value $ 986,321
Gts Securities Llc ownership in GILD / Gilead Sciences, Inc.

On May 14, 2026 - Gts Securities Llc filed a 13F-HR form disclosing ownership of 7,077 shares of Gilead Sciences, Inc. (CH:GILD) valued at $986,321 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 14,181 shares of Gilead Sciences, Inc.. This represents a change in shares of -50.10% during the quarter.

Gts Securities Llc has a history of taking positions in derivatives of the underlying security (GILD) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

CH:GILD / Gilead Sciences, Inc. Historical Put/Call Ratio
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 COM 375558103 7,077 -7,104 -50.10 986 -43.33 0.0349
2026-02-13 2025-12-31 13F GILEAD SCIENCES COM 375558103 14,181 -11,345 -44.44 1,741 -38.58 0.0594
2025-11-14 2025-09-30 13F GILEAD SCIENCES COM 375558103 25,526 19,038 293.43 2,833 294.02 0.1088
2025-08-08 2025-06-30 13F GILEAD SCIENCES COM 375558103 6,488 -35 -0.54 719 -1.51 0.0321
2025-05-15 2025-03-31 13F GILEAD SCIENCES COM 375558103 6,523 -7,354 -52.99 731 -43.01 0.0316
2025-02-18 2024-12-31 13F GILEAD SCIENCES COM 375558103 13,877 -82,807 -85.65 1,282 -84.19 0.0624
2024-11-13 2024-09-30 13F GILEAD SCIENCES COM 375558103 96,684 16,334 20.33 8,106 47.04 0.0176
2024-08-14 2024-06-30 13F GILEAD SCIENCES COM 375558103 80,350 48,975 156.10 5,513 139.86 0.0117
2024-05-15 2024-03-31 13F GILEAD SCIENCES COM 375558103 31,375 7,102 29.26 2,298 16.89 0.0042
2024-02-15 2023-12-31 13F GILEAD SCIENCES COM 375558103 24,273 -89,254 -78.62 1,966 -76.89 0.0033
2023-11-15 2023-09-30 13F GILEAD SCIENCES COM 375558103 113,527 15,601 15.93 8,508 12.72 0.0153
2023-08-16 2023-06-30 13F GILEAD SCIENCES COM 375558103 97,926 97,926 7,547 0.2385
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-02-18 2024-12-31 13F GILEAD SCIENCES COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-11-13 2024-09-30 13F GILEAD SCIENCES COM Call 73,600 3.37 6,171 26.31 n/a n/a n/a
2024-08-14 2024-06-30 13F GILEAD SCIENCES COM Call 71,200 96.69 4,885 84.27 n/a n/a n/a
2024-05-15 2024-03-31 13F GILEAD SCIENCES COM Call 36,200 -50.82 2,652 -55.54 n/a n/a n/a
2024-02-15 2023-12-31 13F GILEAD SCIENCES COM Call 73,600 -34.98 5,962 -29.72 n/a n/a n/a
2023-11-15 2023-09-30 13F GILEAD SCIENCES COM Call 113,200 8,483 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-02-18 2024-12-31 13F GILEAD SCIENCES COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-11-13 2024-09-30 13F GILEAD SCIENCES COM Put 69,600 -16.35 5,835 2.22 n/a n/a n/a
2024-08-14 2024-06-30 13F GILEAD SCIENCES COM Put 83,200 -9.86 5,708 -15.56 n/a n/a n/a
2024-05-15 2024-03-31 13F GILEAD SCIENCES COM Put 92,300 -1.91 6,761 -11.32 n/a n/a n/a
2024-02-15 2023-12-31 13F GILEAD SCIENCES COM Put 94,100 -15.38 7,623 -8.52 n/a n/a n/a
2023-11-15 2023-09-30 13F GILEAD SCIENCES COM Put 111,200 8,333 n/a n/a n/a
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.