# MADISON SQUARE GRDN SPRT COR (MSGS) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 55825T103
Page URL: https://superinvestorclub.com/stock/MSGS
Last updated: 2026-08-29T13:48:55.803Z

## Summary

As of the most recent 13F filing period, MADISON SQUARE GRDN SPRT COR (MSGS) is held by 5 tracked superinvestors with an aggregate position value of $505.5M representing 065855159240632182800897 shares.

## Top institutional holders (5)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [John Rogers](https://superinvestorclub.com/manager/76) | Ariel Investments | 658551 | $264.6M | 2.64% | 2026-06-30 |
| 2 | [Bill & Melinda Gates Foundation](https://superinvestorclub.com/manager/3) | Bill & Melinda Gates Foundation Trust | 592406 | $238.1M | 0.69% | 2026-06-30 |
| 3 | [Longleaf Partners](https://superinvestorclub.com/manager/15) | Southeastern Asset Management | 3218 | $1.3M | 0.07% | 2026-06-30 |
| 4 | [Lindsell Train](https://superinvestorclub.com/manager/68) | Lindsell Train | 2800 | $1.1M | 0.04% | 2026-06-30 |
| 5 | [Wally Obermeyer](https://superinvestorclub.com/manager/3283) | Obermeyer Wealth Partners | 897 | $360,450 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 3 holders, $110.5M aggregate, 059240633003218 shares
- 2024-06-30: 4 holders, $295.3M aggregate, 097015659240640283300 shares
- 2024-09-30: 4 holders, $316.1M aggregate, 091805459240640283300 shares
- 2024-12-31: 5 holders, $336.8M aggregate, 089162959240640283300897 shares
- 2025-03-31: 5 holders, $284.0M aggregate, 08389435924062000040283300 shares
- 2025-06-30: 4 holders, $283.7M aggregate, 075783759240640283300 shares
- 2025-09-30: 5 holders, $301.4M aggregate, 072703559240640283300897 shares
- 2025-12-31: 5 holders, $342.0M aggregate, 072249559240633003218897 shares
- 2026-03-31: 6 holders, $423.6M aggregate, 0717341592406321828001224897 shares
- 2026-06-30: 5 holders, $505.5M aggregate, 065855159240632182800897 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "MADISON SQUARE GRDN SPRT COR (MSGS) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MSGS), aggregating SEC 13F, Form 4, and congressional disclosures."