O'Shaughnessy Timothy J → Graham Holdings Co GHC

Stake: 4.40% Shares: 152,779 CUSIP: 939640108 Class: Class B Common Stock $1.00 par value

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 16/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Passive Schedule 13G filer baseline
Elevated short days-to-cover (9.4 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

1 filings by this filer

0 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 9.45

245,369 shares short · +4.6% vs prior

Post-Filing Returns · since 2024-11-01 on GHC

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 1155.24 on closest trading day on/after 2024-11-01. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Graham Holdings Co

Filed	Form	Filer	Stake	Shares
2019-12-18	SC	GRAHAM DONALD	—	—	view →
2018-03-19	SC	GRAHAM DONALD	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →