HORIZON KINETICS ASSET MANAGEMENT LLC - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for HORIZON KINETICS ASSET MANAGEMENT LLC
Goto 0, 1, 2, ...28, 29, Next
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-03-12
Purchase
2026-03-13
10:45 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$532.02$5323,469,114
(Direct)
View
2026-03-11
Purchase
2026-03-12
11:40 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$523.28$5233,469,113
(Direct)
View
2026-03-10
Purchase
2026-03-11
10:42 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$526.83$5273,469,112
(Direct)
View
2026-03-09
Purchase
2026-03-10
11:44 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$527.22$5273,469,111
(Direct)
View
2026-03-06
Purchase
2026-03-09
11:33 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$526.43$5263,469,110
(Direct)
View
2026-03-05
Purchase
2026-03-06
5:57 pm
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
7,200$43.08$310,1764,668,173
(Indirect
Direct)
View
2026-03-04
Purchase(A)
2026-03-06
5:52 pm
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
7,200$43.38$312,3364,660,973
(Indirect
Direct)
View
2026-03-02
Sale(A)
2026-03-06
4:12 pm
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
53,578$40.92$2,192,4124,653,773
(Indirect
Direct)
View
2026-03-05
Purchase
2026-03-06
12:23 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$529.46$5293,469,109
(Direct)
View
2026-03-04
Purchase
2026-03-05
2:58 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$530.21$5303,469,108
(Direct)
View
2026-03-04
Purchase
2026-03-05
2:44 pm
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
7,200$43.38$312,3364,730,997
(Indirect
Direct)
View
2026-03-02
Sale
2026-03-04
3:22 pm
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
121,054$40.92$4,953,5304,723,797
(Indirect
Direct)
View
2026-03-03
Purchase
2026-03-04
1:55 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$522.34$5223,469,107
(Direct)
View
2026-03-02
Purchase
2026-03-03
1:15 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$524.01$5243,469,106
(Direct)
View
2026-02-27
Purchase
2026-03-02
11:44 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$517.29$5173,479,382
(Direct)
View
2026-02-26
Purchase
2026-02-27
10:58 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$507.39$5073,479,381
(Direct)
View
2026-02-25
Purchase
2026-02-26
12:09 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$510.65$5113,479,380
(Direct)
View
2026-02-24
Purchase
2026-02-25
12:15 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$520.15$5203,479,379
(Direct)
View
2026-02-23
Purchase
2026-02-24
12:06 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$519.85$5203,479,378
(Direct)
View
2026-02-20
Purchase
2026-02-23
3:10 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$504.28$5043,479,377
(Direct)
View
2026-02-19
Purchase
2026-02-20
10:29 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$469.18$4693,479,376
(Direct)
View
2026-02-18
Purchase
2026-02-19
12:07 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$435.13$4353,479,375
(Direct)
View
2026-02-17
Purchase
2026-02-18
11:15 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$425.55$4263,479,374
(Direct)
View
2026-02-13
Purchase
2026-02-17
10:41 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$426.38$4263,479,373
(Direct)
View
2026-02-12
Purchase
2026-02-13
11:00 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$413.24$4133,479,372
(Direct)
View
2026-02-11
Purchase
2026-02-12
11:18 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$407.53$4083,479,371
(Direct)
View
2026-02-10
Purchase
2026-02-11
12:36 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$388.01$3883,479,370
(Direct)
View
2026-02-09
Purchase
2026-02-10
10:28 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$371.57$3723,479,369
(Direct)
View
2026-02-06
Purchase
2026-02-09
11:15 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$360.24$3603,479,368
(Direct)
View
2026-02-05
Purchase
2026-02-06
10:59 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$341.52$3423,479,367
(Direct)
View
2026-02-04
Purchase
2026-02-05
12:19 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$345.07$3453,479,366
(Direct)
View
2026-02-03
Purchase
2026-02-04
12:44 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$337.01$3373,479,365
(Direct)
View
2026-02-02
Purchase
2026-02-03
12:20 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$338.12$3383,479,364
(Direct)
View
2026-01-30
Purchase
2026-02-02
11:40 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$345.57$3463,487,703
(Direct)
View
2026-01-29
Purchase
2026-01-30
12:40 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$355.41$3553,487,702
(Direct)
View
2026-01-28
Purchase
2026-01-29
12:18 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$350.7$3513,487,701
(Direct)
View
2026-01-27
Purchase
2026-01-28
11:18 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$339.86$3403,487,700
(Direct)
View
2026-01-26
Purchase
2026-01-27
12:42 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$341.94$3423,487,699
(Direct)
View
2026-01-23
Purchase
2026-01-26
12:25 pm
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$350.06$3503,487,698
(Direct)
View
2026-01-22
Purchase
2026-01-23
11:26 am
Texas Pacific Land CorpTPLHORIZON KINETICS ASSET MANAGEMENT LLC
10% Owner
1$345.78$3463,487,697
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-03-02
Exercise(A)
2026-03-06
4:12 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
91,366$20.54,653,773
(Indirect)
View
2026-03-02
Exercise(A)
2026-03-06
4:12 pm
2025-08-13
2026-04-08
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
112,656$04,653,773
(Indirect)
View
2026-03-02
Exercise(A)
2026-03-06
4:12 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
21,290$154,653,773
(Indirect)
View
2026-03-02
Exercise
2026-03-04
3:22 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
91,366$20.54,723,797
(Indirect)
View
2026-03-02
Exercise
2026-03-04
3:22 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
137,500$204,723,797
(Indirect)
View
2026-03-02
Exercise
2026-03-04
3:22 pm
2025-08-13
2026-04-08
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
250,156$04,723,797
(Indirect)
View
2026-03-02
Exercise
2026-03-04
3:22 pm
N/A
N/A
MIAMI INTERNATIONAL HOLDINGS INC.MIAXSTAHL MURRAY
HORIZON KINETICS ASSET MANAGEMENT LLC
Director
21,290$154,723,797
(Indirect)
View
(A) Indicate amendment filing.
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