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ISSUER PROFILE · CIK 0001795250 · CUSIP 55826T102

Sphere Entertainment Co.SPHR

4 13D/G filings 3 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
0.0%
avg 0.0%
Median 60d
0.0%
avg 0.0%
Median 90d
0.0%
avg 0.0%
Median 180d
0.0%
avg 0.0%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
4
1 SCHEDULE 13D/A · 1 SCHEDULE · 2 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
9.11
as of 2026-08-31

13D/G Filings Timeline · 4 total

FiledFormFilerStakeSharesIntent
2026-08-14 SCHEDULE 13D/A GAMCO INVESTORS, INC. ET AL 1.90% 80 view →
2025-02-04 SCHEDULE DOLAN JAMES LAWRENCE 12.30% 4,052,862 view →
2021-07-14 SC DOLAN CHARLES F view →
2021-03-30 SC DOLAN CHARLES F view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-08-31 6,331,068 9.11 -4.1%
2026-08-14 6,599,789 8.20 +1.6%
2026-07-31 6,494,747 8.68 -3.7%
2026-07-15 6,741,417 10.35 -7.5%
2026-06-30 7,292,305 8.56 -2.8%
2026-06-15 7,503,949 10.39 +4.5%
2026-05-29 7,181,667 13.02 -2.7%
2026-05-15 7,381,867 8.45 +5.4%
2026-04-30 7,002,108 11.96 -9.3%
2026-04-15 7,718,612 11.29 +3.1%
2026-03-31 7,488,185 6.50 +6.3%
2026-03-13 7,044,762 7.46 -2.4%

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