Oil-Dri Corporation Of America
Ownership
Ownership Structure
Who owns Oil-Dri Corporation Of America (ODC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.1% of the shares are freely tradable; institutional investors hold 75.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 5.73 | 829,295 | +14.3 | 06/30/2026 |
| Gamco Investors, Inc. Et Al | 5.37 | 778,050 | -0.6 | 06/30/2026 |
| Needham Investment Management, LLC | 4.74 | 686,000 | +1.3 | 06/30/2026 |
| American Century Companies Inc | 3.65 | 527,872 | +15.6 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.04 | 440,417 | -0.7 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 2.87 | 415,408 | -10.0 | 06/30/2026 |
| Renaissance Technologies Corp | 2.82 | 407,692 | -3.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| 1290 VT GAMCO Small Company Value IB | 4.95 | 717,400 | +0.0 | 08/31/2026 |
| Needham Aggressive Growth Retail | 4.75 | 687,500 | +0.2 | 09/30/2026 |
| Avantis US Small Cap Value ETF | 3.05 | 441,639 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Lamson Christopher B | Group Vice President | 62,697 | 4,482,836 $ | Oct 15, 2026 | both |
| Christiansen Aaron | Vice President of Operations | 51,189 | 3,660,014 $ | Oct 19, 2026 | direct |
| Ryan Amy | Director | 2,800 | 200,200 $ | Oct 16, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | Lamson Christopher B | Group Vice President | Other | 2,228 | 70.49 | 157,052 |
| Oct 19, 2026 | Christiansen Aaron | Vice President of Operations | Other | 8,811 | 70.49 | 621,087 |
| Oct 16, 2026 | Ryan Amy | Director | Sell | 1,100 | 78.80 | 86,680 |
| Oct 15, 2026 | Lamson Christopher B | Group Vice President | Sell | 7,000 | 80.27 | 561,890 |
| Oct 15, 2026 | Jaffee Daniel S | Chairman, President and CEO | Other | 10,000 | 0.00 | – |
| Oct 13, 2026 | Jaffee Daniel S | Chairman, President and CEO | Other | 10,000 | 0.00 | – |
| Apr 22, 2026 | Ellen-Blair Chube | Director | Sell | 1,390 | 73.06 | 101,553 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.