# MADISON SQUARE GRDN SPRT COR CL A

MADISON SQUARE GRDN SPRT COR CL A is a security (CUSIP 55825T103) tracked across SEC portfolio filings. 441 institutional managers reported $5.7B on Form 13F as of 2026-06-30; 35 registered fund positions totaling $656.1M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MADISON SQUARE GRDN SPRT COR
- Class: CL A
- CUSIP: 55825T103
- Asset category: EC
- 13F holders: 441
- 13F value: $5.7B
- 13F period: 2026-06-30
- N-PORT fund positions: 35
- N-PORT value: $656.1M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 441 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $646.6M | 2,011,928 |
| Silver Lake Group, L.L.C. | MENLO PARK, CA | $610.6M | 1,899,962 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $475.3M | 1,837,452 |
| Starlite Capital INC | DALLAS, TX | $475.1M | 1,204,918 |
| ARIEL INVESTMENTS, LLC | CHICAGO, IL | $230.6M | 717,341 |
| BILL & MELINDA GATES FOUNDATION TRUST | Kirkland, WA | $190.4M | 592,406 |
| [GAMCO INVESTORS, INC. ET AL](https://search.stillhousedata.com/firm/104950) | GREENWICH, CT | $188.9M | 587,652 |
| STATE STREET CORP | BOSTON, MA | $181.6M | 564,906 |
| [Clearbridge Investments, LLC](https://search.stillhousedata.com/firm/137028) | New York, NY | $145.8M | 453,585 |
| [GABELLI FUNDS LLC](https://search.stillhousedata.com/firm/104949) | RYE, NY | $125.6M | 390,862 |
| [TOMS Capital Investment Management LP](https://search.stillhousedata.com/firm/291362) | New York, NY | $111.5M | 347,000 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $99.7M | 310,261 |
| MORGAN STANLEY | NEW YORK, NY | $98.7M | 306,999 |
| [REINHART PARTNERS, LLC.](https://search.stillhousedata.com/firm/106432) | MEQUON, WI | $89.7M | 223,173 |
| VICTORY CAPITAL MANAGEMENT INC | San Antonio, TX | $82.8M | 257,758 |

## Top fund holders (N-PORT)

_Showing 15 of 35 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $115.5M | 90.47% |
| [The Gabelli Asset Fund](https://search.stillhousedata.com/fund/S000001087) | Gabelli Asset Fund | $68.5M | 436.75% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $64.4M | 7.91% |
| [Ariel Fund](https://search.stillhousedata.com/fund/S000005024) | Ariel Investment Trust | $64.4M | 251.62% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $61.6M | 76.38% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $60.8M | 350.65% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $57.5M | 62.31% |
| Gabelli Dividend & Income Trust | Gabelli Dividend & Income Trust | $46.1M | 173.85% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $32.2M | 74.35% |
| [The Gabelli Value 25 Fund Inc.](https://search.stillhousedata.com/fund/S000001076) | Gabelli Value 25 Fund Inc | $31.5M | 1316.60% |
| Gabelli Multimedia Trust Inc. | Gabelli Multimedia Trust Inc. | $16.8M | 1103.90% |
| [The Gabelli ABC Fund](https://search.stillhousedata.com/fund/S000001070) | Gabelli Investor Funds Inc | $4.2M | 100.40% |
| [Embark Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000083503) | Harbor Funds II | $4.1M | 71.47% |
| Gabelli Global Small & Mid Cap Value Trust | Gabelli Global Small & Mid Cap Value Trust | $3.3M | 258.93% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $3.3M | 17.78% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/55825T103.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.