Skip to main content

MAD RIVER INVESTORS

Position in GBTC — Grayscale Bitcoin Trust ETF

CIK 1384484 BOSTON, MA

Position in GBTC

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$16,393,527
-$2,607,406 QoQ
Shares Held
360,139
0.0% QoQ
Ownership
0.209%
of shares outstanding
% of Portfolio
6.19%
of 13F equity value
Holder Rank
#5
of 598 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in GBTC Over Time

Shares Held

Position Value (USD)

All Filings in GBTC

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $16,393,527 360,139
2026-03-31 $19,000,933 360,139
2025-12-31 $24,640,635 360,454
2025-09-30 $32,402,840 360,954
2025-06-30 $31,589,080 372,381
2025-03-31 $24,274,586 372,481
2024-12-31 $28,557,360 385,806
2024-09-30 $19,682,122 389,745
2024-06-30 $14,791,663 307,558
2024-03-31 $22,809,947 399,725