OLN

Olin Corporation

6 superinvestors own OLN

Based on latest 13F filings — data is 45–90 days delayed

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Yacktman Asset Management	Yacktman Asset Management	1.62%	4,092,211	$121.7M	2026Q1	Added
Viking Global Investors	Viking Global Investors	1.02%	7,186,045	$184.5M	2018Q3	Added
Richard Pzena	Pzena Investment Management	0.43%	4,431,613	$131.8M	2026Q1	Reduced
Meridian / ArrowMark	Meridian Contrarian Fund	0.09%	159,984	$7.5M	2024Q2	Added
David Tepper	Appaloosa Management	0.01%	25,000	$384K	2006Q3	New
First Eagle Investment Management	First Eagle Investment Management	0.01%	213,752	$6.4M	2026Q1	Added

Open-market purchases (P) and sales (S) from SEC Form 4 filings · last 12 months

No open-market insider trades in the last 12 months.

Form 4 filings for option exercises and other transaction types are excluded.

STOCK Act disclosures · last 12 months

Congressional trade data coming soon.

We are sourcing STOCK Act disclosures and will display them here shortly.

What Is SEC Form 4?

Understand the insider trade filings behind OLN activity.

What Is a 13F Filing?

How superinvestors disclose their quarterly holdings.

Insider Cluster Buying

Why multiple insiders buying together is a strong signal.

Superinvestor Consensus

The most widely held stocks across all tracked institutions.