Sphere Entertainment Co.
MX ˙ BMV
SecurityMX:SPHR / Sphere Entertainment Co.
InstitutionAmalgamated Bank
Latest Disclosed Ownership7,704 shares
Latest Disclosed Value $ 904
Amalgamated Bank reports 781.46% increase in ownership of SPHR / Sphere Entertainment Co.

On May 8, 2026 - Amalgamated Bank filed a 13F-HR form disclosing ownership of 7,704 shares of Sphere Entertainment Co. (MX:SPHR) valued at $904 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 874 shares of Sphere Entertainment Co..

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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-08 2026-03-31 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 7,704 6,830 781.46 1 0.0069
2026-02-05 2025-12-31 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 874 -33 -3.64 0 0.0006
2025-10-29 2025-09-30 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 907 0 0.00 0 0.0004
2025-08-04 2025-06-30 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 907 0 0.00 0 0.0003
2025-04-25 2025-03-31 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 907 3 0.33 0 0.0003
2025-02-04 2024-12-31 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 904 0 0.00 0 0.0003
2024-10-30 2024-09-30 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 904 0 0.00 0 0.0003
2024-08-12 2024-06-30 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 904 0 0.00 0 0.0003
2024-04-23 2024-03-31 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 904 -1,397 -60.71 0 0.0004
2024-02-06 2023-12-31 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 2,301 -269 -10.47 0 0.0006
2023-11-08 2023-09-30 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 2,570 0 0.00 0 0.0008
2023-08-11 2023-06-30 13F SPHERE ENTERTAINMENT CO CL A COM 55826T102 2,570 -127 -4.71 0 0.0006
2023-05-02 2023-03-31 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 2,697 -683 -20.21 0 0.0014
2023-02-10 2022-12-31 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,380 73 2.21 0 -100.00 0.0014
2022-11-09 2022-09-30 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,307 32 0.98 146 -15.12 0.0014
2022-08-15 2022-06-30 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,275 124 3.94 172 -34.60 0.0016
2022-08-25 2022-03-31 13F/A-1 MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,151 -238 -7.02 263 10.50 0.0020
2022-06-30 2022-03-31 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,151 -238 263 0.0021
2022-02-15 2021-12-31 13F/A-1 MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,389 -44 -1.28 238 -4.42 0.0018
2022-02-15 2021-12-31 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,389 -44 238 0.0018
2021-10-29 2021-09-30 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 3,433 777 29.25 249 11.66 0.0021
2021-08-16 2021-06-30 13F MADISON SQUARE GRDN ENTERTNMNT COM CL A COM 55826T102 2,656 2,656 223 0.0018
2021-05-13 2021-03-31 13F MADISON SQUARE ENTERT COM 55826T102 0 -2,313 -100.00 0 -100.00
2021-02-12 2020-12-31 13F MADISON SQUARE ENTERT COM 55826T102 2,313 2,313 243 0.0092
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.