Activist investor & 5%+ owner · SC 13D/13G filings
Total Filings
11
Stocks Covered
4
Latest Filing
Feb 28, 2026
Madison Square Garden Entertainment Corp.
SC 13D/A · Feb 28, 2026
6.6%
2.8M shares
Sphere Entertainment Co.
11.2%
3.5M shares
Madison Square Garden Sports Corp.
8.1%
1.7M shares
SC 13D/A · Feb 24, 2026
SC 13D/A · Sep 11, 2025
11.8%
3.7M shares
7.1%
3.1M shares
AMC Networks Inc.
2.4M shares
SC 13D/A · Feb 4, 2025
6.7%
2.3M shares
6.8%
3.0M shares
11.4%
3.6M shares
8.0%
