2m 2m 2m 2m 2m 2m 2m
MIAMI INTL (MIAX)
NYSE
$36.60+$0.89 (+2.49%)
Price as of Nov 11, 2026 7:56 PM EST- $3.6BMarket Cap
- -27.83%1-Year Change
- Capital MarketsIndustry
MIAMI INTL (MIAX)
$36.60+$0.89 (+2.49%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
HORIZON KINETICS ASSET MANAGEMENT LLC | 7.84% | 7.8M | +4.4M (+55.99%) | Jun 30, 2026 |
BLACKROCK, INC. | 5.07% | 5.1M | +2.8M (+55.98%) | Jun 30, 2026 |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 5.03% | 5.0M | +887,352 (+17.63%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 3.78% | 3.8M | +2.4M (+63.69%) | Jun 30, 2026 |
N/A | 3.78% | 3.8M | +2.4M (+63.69%) | Jun 30, 2026 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.35% | 3.4M | +58,697 (+1.75%) | Jun 30, 2026 |
VANGUARD CAPITAL MANAGEMENT LLC | 3.16% | 3.2M | +1.8M (+55.30%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 6.28% | 6.3M | +3.7M (+58.42%) | Jun 30, 2026 |
T. Rowe Price Small-Cap Stock Fund, Inc. | 1.46% | 1.5M | +53,753 (+3.68%) | Jun 30, 2026 |
AMERICAN CENTURY MUTUAL FUNDS, INC. | 1.35% | 1.4M | +623,584 (+46.07%) | Jul 31, 2026 |
KINETICS PORTFOLIOS TRUST | 0.87% | 867,072 | +462,844 (+53.38%) | Jun 30, 2026 |
FRANKLIN STRATEGIC SERIES | 0.85% | 848,300 | +342,315 (+40.35%) | Jul 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.84% | 841,248 | +769,507 (+91.47%) | Jul 31, 2026 |
T. Rowe Price Equity Funds, Inc. | 0.78% | 778,478 | +13,292 (+1.71%) | Jun 30, 2026 |
Current Ownership Distribution
- Institutions190.8M (74.19%)
- Mutual Funds55.7M (21.65%)
- Insiders10.7M (4.15%)
- Other0 (0.00%)
Insider Transactions
- 4.15% (10.7M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $199.3MAmount of InsiderBuying (last 12 months)
- 11Number of InsiderSelling (last 12 months)
- $773.4MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Teekell Judson Gray | Will | Nov 05, 2026 | $0.00 | 81,000 | $0.00 | 0 |
Teekell Judson Gray | Will | Nov 05, 2026 | $0.00 | 20,250 | $0.00 | 89,501 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Nov 04, 2026 | $0.00 | 8,799 | $0.00 | 0 |
Schafer Douglas M. JR EVP and CIO | Exempt | Nov 04, 2026 | $0.00 | 8,000 | $0.00 | 99,334 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Nov 04, 2026 | $0.00 | 47,223 | $0.00 | 94,444 |
Schafer Douglas M. JR EVP and CIO | Exempt | Nov 04, 2026 | $96,000.00 | 8,000 | $12.00 | 395,414 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Nov 04, 2026 | $105,588.00 | 8,799 | $12.00 | 848,363 |
Schafer Douglas M. JR EVP and CIO | Sell | Nov 04, 2026 | $280,000.00 | 8,000 | $35.00 | 387,414 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Nov 04, 2026 | $566,676.00 | 47,223 | $12.00 | 895,586 |
Comly Barbara J. EVP, GC & Corporate Secretary | Sell | Nov 04, 2026 | $2.0M | 56,022 | $35.07 | 839,564 |
Schafer Douglas M. JR EVP and CIO | Exempt | Nov 03, 2026 | $480,000.00 | 40,000 | $12.00 | 427,414 |
Schafer Douglas M. JR EVP and CIO | Sell | Nov 03, 2026 | $1.4M | 40,000 | $34.07 | 387,414 |
Schafer Douglas M. JR EVP and CIO | Exempt | Nov 03, 2026 | $0.00 | 40,000 | $0.00 | 107,334 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Nov 02, 2026 | $0.00 | 23,339 | $0.00 | 8,799 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Nov 02, 2026 | $280,068.00 | 23,339 | $12.00 | 862,903 |
Comly Barbara J. EVP, GC & Corporate Secretary | Sell | Nov 02, 2026 | $819,198.90 | 23,339 | $35.10 | 839,564 |
Schafer Douglas M. JR EVP and CIO | Exempt | Oct 22, 2026 | $0.00 | 8,000 | $0.00 | 147,334 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Oct 22, 2026 | $0.00 | 12,306 | $0.00 | 32,138 |
Schafer Douglas M. JR EVP and CIO | Exempt | Oct 22, 2026 | $96,000.00 | 8,000 | $12.00 | 395,414 |
Comly Barbara J. EVP, GC & Corporate Secretary | Exempt | Oct 22, 2026 | $147,672.00 | 12,306 | $12.00 | 851,870 |
Schafer Douglas M. JR EVP and CIO | Sell | Oct 22, 2026 | $280,480.00 | 8,000 | $35.06 | 387,414 |
Comly Barbara J. EVP, GC & Corporate Secretary | Sell | Oct 22, 2026 | $431,202.24 | 12,306 | $35.04 | 839,564 |
Schafer Douglas M. JR EVP and CIO | Exempt | Oct 02, 2026 | $0.00 | 40,000 | $0.00 | 155,334 |
Schafer Douglas M. JR EVP and CIO | Exempt | Oct 02, 2026 | $480,000.00 | 40,000 | $12.00 | 427,414 |
Schafer Douglas M. JR EVP and CIO | Sell | Oct 02, 2026 | $1.3M | 40,000 | $33.34 | 387,414 |
Jayabalan Harish EVP, CISO and CRO | Exempt | Sep 25, 2026 | $0.00 | 8,333 | $0.00 | 8,333 |
Jayabalan Harish EVP, CISO and CRO | Exempt | Sep 25, 2026 | $99,996.00 | 8,333 | $12.00 | 86,398 |
Brown Shelly EVP, Chief Strategy Officer | Sell | Sep 16, 2026 | $819,188.37 | 21,217 | $38.61 | 316,490 |
Brown Shelly EVP, Chief Strategy Officer | In Kind | Sep 11, 2026 | $692,678.82 | 16,283 | $42.54 | 337,707 |
Deitzel Edward EVP, CRO, CCO MIAX Exchanges | Exempt | Sep 03, 2026 | $0.00 | 11,000 | $0.00 | 66,000 |