Comparable stake leader
HORIZON KINETICS ASSET MANAGEMENT LLC
SEC ownership of Grayscale Bitcoin Trust ETF
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001588489.
Disclosed value leader
HORIZON KINETICS ASSET MANAGEMENT LLC
Comparable rows
0/50
Latest evidence
30 Jun 2026
- Public ticker
- GBTC on NYSE
- Parsed ownership sources
-
13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
HORIZON KINETICS ASSET MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001588489
- Issuer location
- Stamford, CT
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Grayscale Bitcoin Trust ETF (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
HORIZON KINETICS ASSET MA...
Disclosed value leader
HORIZON KINETICS ASSET MA...
Comparable rows
0/50
Latest evidence
30 Jun 2026
13F
Highest disclosed value: $552,612,345
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
HORIZON KINETICS ASSET MANAGEMENT LLC has the largest disclosed position value at $552.61M.
0 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens HORIZON KINETICS ASSET MANAGEMENT LLC's linked filing trail.
Disclosed position value
Top 5
HORIZON KINETICS ASSET MANAGEMENT...
$552.61M
LPL Financial LLC
$39.9M
HighTower Advisors, LLC
$27.44M
Virtu Financial LLC
$16.43M
MAD RIVER INVESTORS
$16.39M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| HORIZON KINETICS ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$552,612,345
12,139,990 shares
|
— | 30 Jun 2026 |
| LPL Financial LLC |
13F
Company
|
—
class O/S missing
|
$39,896,851
876,469 shares
|
— | 30 Jun 2026 |
| HighTower Advisors, LLC |
13F
Company
|
—
class O/S missing
|
$27,442,349
602,864 shares
|
— | 30 Jun 2026 |
| Virtu Financial LLC |
13F
Company
|
—
class O/S missing
|
$16,429,000
360,930 shares
|
— | 30 Jun 2026 |
| MAD RIVER INVESTORS |
13F
Company
|
—
class O/S missing
|
$16,393,528
360,139 shares
|
— | 30 Jun 2026 |
| EagleClaw Capital Managment, LLC |
13F
Company
|
—
class O/S missing
|
$16,305,992
358,216 shares
|
— | 30 Jun 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
—
class O/S missing
|
$15,493,324
340,363 shares
|
— | 30 Jun 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
—
class O/S missing
|
$14,338,117
314,985 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 21 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Recent insider transactions for Grayscale Bitcoin Trust ETF
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.