Harbor Advisors LLC

SEC CIK: 0001687156
Latest filing: Jul 28, 2026

SEC filings (opens in a new tab)

CIFR holding history

Cipher Digital Inc. in every 13F filed by Harbor Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CIFR overview All 13F holders of CIFR Full Q2 2026 holdings

Shares (Q2 2026): 10,000
Value: $245.0K
% of portfolio: <0.1%
Quarters held: 3; Since Q4 2025

Holdings of CIFR by Harbor Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	10,000	$245.0K	<0.1%	−20,000−66.7%	Reduced	Holders
Q1 2026	30,000	$386.1K	0.1%	+20,000+200.0%	Added	Holders
Q4 2025	10,000	$147.6K	<0.1%	+10,000	New	Holders