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MIAMI INTL (MIAX)
NYSE
$41.76-$0.55 (-1.31%)
Price as of Jul 13, 2026 7:58 PM EDT- $4.1BMarket Cap
- N/A1-Year Change
- Capital MarketsIndustry
MIAMI INTL (MIAX)
$41.76-$0.55 (-1.31%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 4.28% | 4.1M | +1.1M (+27.01%) | Mar 31, 2026 |
HORIZON KINETICS ASSET MANAGEMENT LLC | 3.57% | 3.5M | +1.6M (+47.28%) | Mar 31, 2026 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.41% | 3.3M | +11,394 (+0.35%) | Mar 31, 2026 |
BLACKROCK, INC. | 2.31% | 2.2M | +479,173 (+21.46%) | Mar 31, 2026 |
VANGUARD GROUP INC | 1.99% | 1.9M | +545,770 (+28.30%) | Dec 31, 2025 |
CITADEL ADVISORS LLC | 1.66% | 1.6M | +988,200 (+61.46%) | Mar 31, 2026 |
INVESCO LTD. | 1.64% | 1.6M | +306,037 (+19.31%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 2.70% | 2.6M | +1.5M (+55.84%) | Mar 31, 2026 |
T. Rowe Price Small-Cap Stock Fund, Inc. | 1.46% | 1.4M | +350,104 (+24.86%) | Mar 31, 2026 |
Listed Funds Trust | 0.96% | 928,605 | 0 (0.00%) | Apr 30, 2026 |
T. Rowe Price Equity Funds, Inc. | 0.79% | 765,186 | +193,773 (+25.32%) | Mar 31, 2026 |
AMERICAN CENTURY MUTUAL FUNDS, INC. | 0.75% | 729,898 | -14,580 (-2.00%) | Apr 30, 2026 |
JPMorgan Trust I | 0.74% | 717,809 | 0 (0.00%) | Apr 30, 2026 |
FRANKLIN STRATEGIC SERIES | 0.52% | 505,985 | +135,597 (+26.80%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions109.4M (77.79%)
- Mutual Funds21.3M (15.13%)
- Insiders10.0M (7.08%)
- Other0 (0.00%)
Insider Transactions
- 7.08% (10.0M)Current InsiderOwnership (%, shares)
- 11Number of InsiderBuying (last 12 months)
- $581.8MAmount of InsiderBuying (last 12 months)
- 6Number of InsiderSelling (last 12 months)
- $282.2MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Teekell Judson Gray | Sell | Jul 02, 2026 | $120,000.00 | 3,000 | $40.00 | 75,251 |
Schafer Douglas M. JR EVP and CIO | Exempt | Jul 02, 2026 | $0.00 | 6,000 | $0.00 | 0 |
Schafer Douglas M. JR EVP and CIO | Exempt | Jul 02, 2026 | $0.00 | 42,000 | $0.00 | 91,334 |
Schafer Douglas M. JR EVP and CIO | Exempt | Jul 02, 2026 | $72,000.00 | 6,000 | $12.00 | 393,414 |
Schafer Douglas M. JR EVP and CIO | Exempt | Jul 02, 2026 | $504,000.00 | 42,000 | $12.00 | 435,414 |
Schafer Douglas M. JR EVP and CIO | Sell | Jul 02, 2026 | $2.0M | 48,000 | $41.22 | 387,414 |
Sommers Jill E. | Award | Jun 16, 2026 | $0.00 | 2,571 | $0.00 | 2,571 |
Stahlin Paul | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 42,143 |
Al-Bahar Talal Jassim | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 40,891 |
Schwarzkopf Cynthia | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 88,545 |
Comly Barbara J. EVP, GC & Corporate Secretary | Award | Jun 16, 2026 | $0.00 | 2,485 | $0.00 | 2,485 |
Brown Shelly EVP, Chief Strategy Officer | Award | Jun 16, 2026 | $0.00 | 2,485 | $0.00 | 2,485 |
Smollen John EVP, New Product Development | Award | Jun 16, 2026 | $0.00 | 2,485 | $0.00 | 2,485 |
Sites Eric | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 5,684 |
Moore Lisa | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 12,737 |
BROWN DAVID A | Award | Jun 16, 2026 | $0.00 | 5,142 | $0.00 | 5,142 |
Smollen John EVP, New Product Development | Award | Jun 16, 2026 | $0.00 | 5,184 | $0.00 | 5,184 |
Jayabalan Harish EVP, CISO and CRO | Award | Jun 16, 2026 | $0.00 | 2,485 | $0.00 | 2,485 |
Gallagher Thomas P. Chairman & CEO | Award | Jun 16, 2026 | $0.00 | 2,485 | $0.00 | 2,485 |
Teekell Judson Gray | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 78,251 |
Smollen John EVP, New Product Development | Award | Jun 16, 2026 | $0.00 | 7,455 | $0.00 | 178,212 |
Lozier Kenneth W. | Award | Jun 16, 2026 | $0.00 | 2,571 | $0.00 | 2,571 |
Sommers Jill E. | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 6,083 |
BROWN DAVID A | Award | Jun 16, 2026 | $0.00 | 4,970 | $0.00 | 7,237 |
Comly Barbara J. EVP, GC & Corporate Secretary | Award | Jun 16, 2026 | $0.00 | 37,778 | $0.00 | 37,778 |
Deitzel Edward EVP, CRO, CCO MIAX Exchanges | Award | Jun 16, 2026 | $0.00 | 2,485 | $0.00 | 2,485 |
Gallagher Thomas P. Chairman & CEO | Award | Jun 16, 2026 | $0.00 | 237,175 | $0.00 | 237,175 |
Brown Shelly EVP, Chief Strategy Officer | Award | Jun 16, 2026 | $0.00 | 35,861 | $0.00 | 35,861 |
Comly Barbara J. EVP, GC & Corporate Secretary | Award | Jun 16, 2026 | $0.00 | 39,140 | $0.00 | 882,984 |
Raymond Mark F. | Exempt | Jun 16, 2026 | $0.00 | 16,000 | $0.00 | 0 |