Grayscale Bitcoin Trust ETF (GBTC) research

Grayscale Bitcoin Trust ETF

Last price: $65.11
As of: 2026-10-02

Grayscale Bitcoin Trust ETF (GBTC): 2 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 10-Q filed 2026-08-04.

As of 2026-09-06, the latest of: this ticker's 13F holdings load, its latest SEC filing date, and its latest signal other than 13F-derived signals. Source: SEC EDGAR filings for GBTC. Method and limitations.

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Active signals for GBTC

highINSTITUTIONAL_SURGE2026-08-16
CITADEL ADVISORS LLC added +72% to GBTC (2026Q2)
All 2026-08-16 signals →
highINSTITUTIONAL_SURGE2026-08-16
CITADEL ADVISORS LLC added +222% to GBTC (2026Q2)
All 2026-08-16 signals →
highINSTITUTIONAL_SURGE2026-08-16
CITADEL ADVISORS LLC added +111% to GBTC (2026Q2)
All 2026-08-16 signals →

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Largest reported share positions in GBTC (2026Q2)

Manager / security	Market value	% portfolio	QoQ
CITADEL ADVISORS LLCCUSIP 389637109 · 2026Q2	$14.3M	0.00%	,
MILLENNIUM MANAGEMENT LLCCUSIP 389637109 · 2026Q2	$4.6M	0.00%	,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, GBTC

10-Q2026-08-04
SEC EDGAR ↗
8-K2026-07-02
SEC EDGAR ↗
10-Q2026-05-05
SEC EDGAR ↗
8-K2026-03-16
SEC EDGAR ↗
10-K2026-02-25
SEC EDGAR ↗
8-K2025-12-03
SEC EDGAR ↗
10-Q2025-11-05
SEC EDGAR ↗
8-K2025-10-24
SEC EDGAR ↗
8-K2025-10-14
SEC EDGAR ↗
8-K2025-10-09
SEC EDGAR ↗

Kresmion Research Notes on GBTC

2026-07-22
For Two Months Money Left the US Bitcoin ETFs. Last Week It Came Back Hard. The Price Has Not Broken Out.

All GBTC research notes →

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