Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
MIAX

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Miami International Holdings MIAX Stock Holding History

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Portfolio MIAX Stock Details MIAX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$9.34M Buy
240,000
+5,756
+2% +$237K 0.02% 572
2025
Q4 		$10.4M Buy
234,244
+34,244
+17% +$1.53M 0.02% 468
2025
Q3 		$8.05M Buy
+200,000
New +$7.32M 0.01% 482

Other funds holding MIAX

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
HKAM
Horizon Kinetics Asset Management New York $8.82B AUM 23.05% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's MIAX Position: Q1 2026 in Review

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund increased its Miami International Holdings (MIAX) stake by 2.5% in Q1 2026, buying an estimated $237K and bringing the position to 240,000 shares worth $9.34M. The position accounts for 0.02% of the portfolio, ranked #572.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in MIAX in Q3 2025 and has held it in 3 quarters since. The position peaked at $10.4M in Q4 2025. 201 funds tracked by Wall St. Rank hold MIAX as of Q1 2026.

  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund held 240,000 shares of Miami International Holdings worth $9.34M as of Q1 2026.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund bought 5,756 Miami International Holdings shares in Q1 2026, an estimated $237K.
  • Miami International Holdings made up 0.02% of Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's portfolio in Q1 2026, its #572 holding.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in Miami International Holdings in Q3 2025 and has held it in 3 quarters since.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's Miami International Holdings position peaked at $10.4M in Q4 2025.
  • 201 funds tracked by Wall St. Rank held Miami International Holdings as of Q1 2026.

Based on Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's 13F filing for Q1 2026, filed 14 May 2026.