Meta Platforms, Inc.
MX ˙ BMV ˙ US30303M1027
SecurityMX:META / Meta Platforms, Inc.
InstitutionCardiff Park Advisors, Llc
Latest Disclosed Ownership182,387 shares
Latest Disclosed Value $ 104,348,906
Cardiff Park Advisors, Llc ownership in META / Meta Platforms, Inc.

On May 15, 2026 - Cardiff Park Advisors, Llc filed a 13F-HR form disclosing ownership of 182,387 shares of Meta Platforms, Inc. (MX:META) valued at $104,348,906 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 181,954 shares of Meta Platforms, Inc.. This represents a change in shares of 0.24% during the quarter.

Cardiff Park Advisors, Llc has a history of taking positions in derivatives of the underlying security (META) in the form of stock options.

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.

MX:META / Meta Platforms, 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)
2026-05-15 2026-03-31 13F META PLATFORMS CL A 30303M102 182,387 433 0.24 104,349 -13.12 8.3455
2026-02-17 2025-12-31 13F META PLATFORMS CL A 30303M102 181,954 -3,204 -1.73 120,106 -11.67 9.8627
2025-11-14 2025-09-30 13F META PLATFORMS CL A 30303M102 185,158 8,040 4.54 135,976 4.01 10.4209
2025-08-14 2025-06-30 13F META PLATFORMS CL A 30303M102 177,118 -16,787 -8.66 130,729 16.97 11.2596
2025-05-15 2025-03-31 13F META PLATFORMS CL A 30303M102 193,905 12,767 7.05 111,759 5.38 10.7649
2025-02-14 2024-12-31 13F META PLATFORMS CL A 30303M102 181,138 -129,453 -41.68 106,058 -40.35 10.0652
2024-11-14 2024-09-30 13F META PLATFORMS CL A 30303M102 310,591 -1,518 -0.49 177,795 12.98 15.9168
2024-08-14 2024-06-30 13F META PLATFORMS CL A 30303M102 312,109 13,340 4.46 157,372 8.47 15.0649
2024-05-14 2024-03-31 13F META PLATFORMS CL A 30303M102 298,769 -4,032 -1.33 145,076 35.36 13.7431
2024-02-14 2023-12-31 13F META PLATFORMS CL A 30303M102 302,801 28,878 10.54 107,179 30.33 11.8606
2023-11-13 2023-09-30 13F META PLATFORMS CL A 30303M102 273,923 -966 -0.35 82,234 4.24 10.3797
2023-08-14 2023-06-30 13F META PLATFORMS CL A 30303M102 274,889 -825 -0.30 78,888 35.00 9.6727
2023-05-15 2023-03-31 13F META PLATFORMS CL A 30303M102 275,714 -4,770 -1.70 58,435 73.12 7.6790
2023-02-09 2022-12-31 13F META PLATFORMS CL A 30303M102 280,484 2,115 0.76 33,753 -10.63 4.7114
2022-11-08 2022-09-30 13F META PLATFORMS CL A 30303M102 278,369 -12,802 -4.40 37,769 -19.56 5.9066
2022-08-15 2022-06-30 13F META PLATFORMS CL A 30303M102 291,171 -21,656 -6.92 46,951 -32.50 7.1033
2022-05-16 2022-03-31 13F META PLATFORMS CL A 30303M102 312,827 2,765 0.89 69,560 -33.30 9.7948
2022-02-15 2021-12-31 13F META PLATFORMS CL A 30303M102 310,062 310,062 104,289 13.6853
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
(%)
2026-05-15 2026-03-31 13F META PLATFORMS CL A Put 0 -100.00 0 -100.00 n/a n/a n/a
2026-02-17 2025-12-31 13F META PLATFORMS CL A Put 2,000 0.00 1,320 -10.08 n/a n/a n/a
2025-11-14 2025-09-30 13F META PLATFORMS CL A Put 2,000 0.00 1,469 -0.54 n/a n/a n/a
2025-08-14 2025-06-30 13F META PLATFORMS CL A Put 2,000 -50.00 1,476 -35.97 n/a n/a n/a
2025-05-15 2025-03-31 13F META PLATFORMS CL A Put 4,000 0.00 2,305 -1.58 n/a n/a n/a
2025-02-14 2024-12-31 13F META PLATFORMS CL A Put 4,000 -71.43 2,342 -70.78 n/a n/a n/a
2024-11-14 2024-09-30 13F META PLATFORMS CL A Put 14,000 3.70 8,014 17.75 n/a n/a n/a
2024-08-14 2024-06-30 13F META PLATFORMS CL A Put 13,500 0.00 6,807 3.83 n/a n/a n/a
2024-05-14 2024-03-31 13F META PLATFORMS CL A Put 13,500 0.00 6,555 37.19 n/a n/a n/a
2024-02-14 2023-12-31 13F META PLATFORMS CL A Put 13,500 170.00 4,778 218.32 n/a n/a n/a
2023-11-13 2023-09-30 13F META PLATFORMS CL A Put 5,000 0.00 1,501 4.67 n/a n/a n/a
2023-08-14 2023-06-30 13F META PLATFORMS CL A Put 5,000 0.00 1,435 35.41 n/a n/a n/a
2023-05-15 2023-03-31 13F META PLATFORMS CL A Put 5,000 -50.00 1,060 -11.97 n/a n/a n/a
2023-02-09 2022-12-31 13F META PLATFORMS CL A Put 10,000 0.00 1,203 -11.35 n/a n/a n/a
2022-11-08 2022-09-30 13F META PLATFORMS CL A Put 10,000 0.00 1,357 -15.87 n/a n/a n/a
2022-08-15 2022-06-30 13F META PLATFORMS CL A Put 10,000 0.00 1,613 -27.47 n/a n/a n/a
2022-05-16 2022-03-31 13F META PLATFORMS CL A Put 10,000 0.00 2,224 -33.89 n/a n/a n/a
2022-02-15 2021-12-31 13F META PLATFORMS CL A Put 10,000 3,364 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.