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Miami International Holdings, Inc.

MIAX
Exchange
NYSE
Industry
Security Brokers, Dealers & Flotation Companies
SEC CIK
0001438472

In the last 90 days, Miami International Holdings, Inc. insiders filed 0 open-market purchases and 27 sales; 206 institutions reported holding it in 13F filings for Q2 2026, worth $2.68B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Miami International Holdings, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
206
+7 vs. Q1 2026
Shares held
72.1M
+21.9M (+43.6%) vs. Q1 2026
Total value
$2.68B
+$732.4M (+37.6%) vs. Q1 2026
New holders
48
93 more added
Sold out
41
46 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MIAX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 206 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 115 institutionsQ4 2025: 161 institutionsQ1 2026: 202 institutionsQ2 2026: 206 institutions
Value heldQ2 2026: $2.68B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $1.03BQ4 2025: $1.66BQ1 2026: $1.95BQ2 2026: $2.68B
Institutions holding MIAX and their total value by quarter
QuarterHoldersValue
Q2 2026206$2.68B
Q1 2026202$1.95B
Q4 2025161$1.66B
Q3 2025115$1.03B
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Miami International Holdings, Inc.; share changes are against Q1 2026.

Institutions holding MIAX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Credit Agricole S A51,002$1.90M0.00%00.0%Unchanged
Atlas Brown,Inc.44,906$1.67M0.45%−6,068−11.9%Reduced
MetLife Investment Management44,772$1.66M0.01%+30,901+222.8%Added
Canada Pension Plan Investment Board44,500$1.65M0.00%+44,500New
LPL Financial LLC43,837$1.63M0.00%+3,905+9.8%Added
Twinbeech Capital LP42,572$1.58M0.29%+42,572New
Advisory Services Network, LLC39,722$1.48M0.02%+13,040+48.9%Added
Atlas Wealth Partners, LLC38,530$1.43M1.56%+823+2.2%Added
King Luther Capital Management Corp38,222$1.42M0.01%−79,060−67.4%Reduced
Swiss National Bank37,200$1.38M0.00%+3,400+10.1%Added
Pekin Hardy Strauss, Inc.36,840$1.37M0.12%+1,750+5.0%Added
C2P Capital Advisory Group, LLC d.b.a. Prosperity Capital Advisors36,729$1.36M0.07%−10,219−21.8%Reduced
State of Wisconsin Investment Board36,404$1.35M0.00%−2,941−7.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.35,257$1.31M0.00%+23,712+205.4%Added
Fred Alger Management, LLC34,593$1.29M0.00%+4,989+16.9%Added
Engineers Gate Manager LP32,087$1.19M0.02%−19,649−38.0%Reduced
Capelight Capital Asset Management LP30,000$1.11M0.56%+30,000New
O'Shaughnessy Asset Management, LLC28,025$1.04M0.00%+28,025New
Goodwin Investment Advisory28,025$1.04M2.10%+28,025New
one8zero8, LLC27,965$1.04M0.21%−31,100−52.7%Reduced
FMR LLC27,236$1.01M0.00%+26,585+4,083.7%Added
New York State Common Retirement Fund26,900$999.6K0.00%−152,123−85.0%Reduced
Sapient Capital LLC26,612$988.9K0.01%+26,612New
Simplex Trading, LLC26,254$975.6K0.03%+1,238+4.9%Added
Police & Firemen's Retirement System of New Jersey22,583$839.2K0.01%+15,671+226.7%Added
California State Teachers Retirement System22,175$824.0K0.00%+6,252+39.3%Added
Jump Financial, LLC20,466$760.5K0.01%+1,500+7.9%Added
Handelsbanken Fonder AB20,000$743.0K0.00%+20,000New
Legal & General Group Plc19,530$725.7K0.00%+7,880+67.6%Added
Grandeur Peak Global Advisors, LLC19,018$706.7K0.16%+3,247+20.6%Added
Russell Investments Group, Ltd.17,865$663.9K0.00%−16,908−48.6%Reduced
UBS Asset Management Americas Inc17,824$662.3K0.00%+4,714+36.0%Added
Intech Investment Management LLC17,691$657.4K0.01%+9,384+113.0%Added
STRS Ohio17,600$654.0K0.00%+13,400+319.0%Added
PKS Advisory Services, LLC17,543$651.9K0.10%+17,543New
Boothbay Fund Management, LLC16,946$629.7K0.01%+6,043+55.4%Added
SALT Holding Corp.15,173$563.8K0.30%00.0%Unchanged
Voya Investment Management LLC14,555$540.9K0.00%+14,555New
Levin Capital Strategies, L.P.14,515$539.4K0.04%+14,515New
Vanguard Asset Management, Ltd14,505$539.0K0.00%+3,799+35.5%Added
Atom Investors LP13,944$518.2K0.05%+13,944New
Algert Global LLC13,150$488.7K0.01%+13,150New
Vinva Investment Management Ltd8,879$475.3K0.00%−922−9.4%Reduced
Jones Financial Companies LLLP12,503$474.1K0.00%−964−7.2%Reduced
Prudential Financial Inc12,700$471.9K0.00%+12,700New
Sig Brokerage, LP12,405$461.0K0.07%−10,784−46.5%Reduced
Magnetar Financial LLC12,168$452.2K0.00%+12,168New
Natixis Advisors, L.P.12,073$448.0K0.00%−1,345−10.0%Reduced
Promethium Advisors,llc11,898$442.1K0.21%+2,865+31.7%Added
Vanguard Global Advisers, LLC11,464$426.0K0.00%−1,809−13.6%Reduced
Jefferies Financial Group Inc.10,968$407.6K0.00%+10,968New
Aviva PLC10,470$389.1K0.00%+10,470New
ProShare Advisors LLC10,026$372.6K0.00%+10,026New
Corsair Capital Management, L.P.10,000$371.6K0.05%+10,000New
State of Wyoming9,313$346.1K0.03%+4,771+105.0%Added
Round Rock Advisors, LLC8,983$333.8K0.04%00.0%Unchanged
Stratos Wealth Partners, LTD.8,810$327.4K0.00%+3,005+51.8%Added
Jupiter Topco LLC8,600$319.8K0.00%+8,600New
Xponance, Inc.7,525$279.6K0.00%+7,525New
Commonwealth Equity Services, LLC7,128$264.9K0.00%+7,128New
Ameritas Investment Partners, Inc.6,949$258.2K0.01%+5,037+263.4%Added
Quent Capital, LLC6,870$254.7K0.02%+5,710+492.2%Added
Truist Financial Corp6,654$247.3K0.00%−111,113−94.3%Reduced
Stratos Wealth Advisors, LLC6,500$241.5K0.01%00.0%Unchanged
Stifel Financial Corp6,375$236.9K0.00%+200+3.2%Added
Concurrent Investment Advisors, LLC6,251$232.3K0.00%00.0%Unchanged
J.W. Cole Advisors, Inc.6,071$225.6K0.00%−2,218−26.8%Reduced
Principal Financial Group Inc5,855$217.6K0.00%+5,855New
Universal- Beteiligungs- und Servicegesellschaft mbH5,521$205.2K0.00%+5,521New
Vanguard Investments Australia, Ltd.4,448$165.3K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)4,300$159.8K0.00%−10,975−71.8%Reduced
The PNC Financial Services Group, Inc.4,222$156.9K0.00%+3,563+540.7%Added
KLP Kapitalforvaltning AS4,000$148.6K0.00%00.0%Unchanged
Battery Global Advisors, LLC3,125$116.1K0.06%00.0%Unchanged
Tower Research Capital LLC (TRC)2,254$83.8K0.00%+1,205+114.9%Added
New York State Teachers Retirement System2,170$81.0K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,856$69.0K0.00%+1,856New
Fifth Third Bancorp1,278$47.5K0.00%−298−18.9%Reduced
Whittier Trust Co of Nevada Inc1,000$43.7K0.00%+1,000New
National Bank of Canada700$28.9K0.00%00.0%Unchanged
Beacon Investment Advisory Services, Inc.700$26.0K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd663$24.6K0.00%−717−52.0%Reduced
Covestor Ltd595$23.0K0.01%+12+2.1%Added
Kemnay Advisory Services Inc.608$22.6K0.00%+608New
Silvant Capital Management LLC525$19.5K0.00%+525New
Pinpoint Asset Management (Singapore) Pte. Ltd.405$15.1K0.00%+230+131.4%Added
Rockefeller Capital Management L.P.400$14.9K0.00%+400New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.284$10.6K0.00%+284New
Global Retirement Partners, LLC280$10.4K0.00%+280New
Sterling Capital Management LLC269$10.0K0.00%−195−42.0%Reduced
Parkside Financial Bank & Trust159$5.91K0.00%+29+22.3%Added
Cedar Mountain Advisors, LLC158$5.87K0.00%00.0%Unchanged
GAMMA Investing LLC157$5.83K0.00%+21+15.4%Added
West Paces Advisors Inc.157$5.83K0.00%+157New
EverSource Wealth Advisors, LLC96$3.57K0.00%+91+1,820.0%Added
Rothschild Investment LLC45$1.67K0.00%+34+309.1%Added
Quarry LP40$1.49K0.00%+1+2.6%Added
Zions Bancorporation, National Association25$9290.00%00.0%Unchanged
SRS Capital Advisors, Inc.19$7060.00%−67−77.9%Reduced
WPG Advisers, LLC17$6320.00%−64−79.0%Reduced