Warner Bros. Discovery, Inc.
MX ˙ BMV ˙ US9344231041
SecurityMX:WBD / Warner Bros. Discovery, Inc.
InstitutionCIBC Asset Management Inc
Latest Disclosed Ownership1,029,336 shares
Latest Disclosed Value $ 28,265,567
CIBC Asset Management Inc reports 0.58% decrease in ownership of WBD / Warner Bros. Discovery, Inc.

On May 12, 2026 - CIBC Asset Management Inc filed a 13F-HR form disclosing ownership of 1,029,336 shares of Warner Bros. Discovery, Inc. (MX:WBD) valued at $28,265,567 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 1,035,360 shares of Warner Bros. Discovery, Inc.. This represents a change in shares of -0.58% 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)
2026-05-12 2026-03-31 13F WARNER BROS DISCOVERY COM SER A 934423104 1,029,336 -6,024 -0.58 28,266 -5.27 0.0691
2026-02-10 2025-12-31 13F WARNER BROS DISCOVERY COM SER A 934423104 1,035,360 300,421 40.88 29,839 107.89 0.0720
2025-10-31 2025-09-30 13F WARNER BROS DISCOVERY COM SER A 934423104 734,939 1,657 0.23 14,353 70.81 0.0416
2025-08-14 2025-06-30 13F WARNER BROS DISCOVERY COM SER A 934423104 733,282 -33,448 -4.36 8,403 2.14 0.0260
2025-05-13 2025-03-31 13F WARNER BROS DISCOVERY COM SER A 934423104 766,730 5,521 0.73 8,227 2.26 0.0273
2025-01-31 2024-12-31 13F WARNER BROS DISCOVERY COM SER A 934423104 761,209 26,184 3.56 8,046 32.69 0.0264
2024-11-06 2024-09-30 13F WARNER BROS DISCOVERY COM SER A 934423104 735,025 40,211 5.79 6,064 17.30 0.0197
2024-08-01 2024-06-30 13F WARNER BROS DISCOVERY COM SER A 934423104 694,814 15,833 2.33 5,169 -12.79 0.0184
2024-05-09 2024-03-31 13F WARNER BROS DISCOVERY COM SER A 934423104 678,981 37,969 5.92 5,928 -18.74 0.0206
2024-02-13 2023-12-31 13F WARNER BROS DISCOVERY COM SER A 934423104 641,012 8,802 1.39 7,295 6.25 0.0272
2023-10-30 2023-09-30 13F WARNER BROS DISCOVERY COM SER A 934423104 632,210 67,438 11.94 6,866 -3.06 0.0285
2023-08-14 2023-06-30 13F WARNER BROS DISCOVERY COM SER A 934423104 564,772 -3,124 -0.55 7,082 -17.41 0.0272
2023-05-12 2023-03-31 13F WARNER BROS DISCOVERY COM SER A 934423104 567,896 2,406 0.43 8,575 59.98 0.0340
2023-02-13 2022-12-31 13F WARNER BROS DISCOVERY COM SER A 934423104 565,490 269,193 90.85 5,361 57.32 0.0225
2022-11-03 2022-09-30 13F WARNER BROS DISCOVERY COM SER A 934423104 296,297 25,844 9.56 3,407 -6.12 0.0149
2022-08-09 2022-06-30 13F WARNER BROS DISCOVERY COM SER A 934423104 270,453 270,453 3,629 0.0147
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.