Orion Engineered Carbons S.A. (OEC) Ownership
OEC ownership summary
as of October 18, 2026- Institutions
- 96.0% of shares outstanding
- Insiders
- 3.87% of shares outstanding
- Shares outstanding
- 56.5M
- Float
- 51.3M shares available to trade
- Short interest
- 4.02% 2.2M shares short
- Days to cover
- 5.27 short interest down 2.0% vs prior month
- Institutions 96.01%
- Insiders 3.87%
- Other investors 0.12%
OEC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Pzena Investment Management, LLC | 8.44% | 4.8M | $25.5M | +172,062 (+3.7%) | June 30, 2026 |
| 2 | BlackRock Inc | 7.44% | 4.2M | $22.5M | +245,529 (+6.2%) | June 30, 2026 |
| 3 | Divisar Capital Management, LLC | 5.99% | 3.4M | $18.1M | −182,513 (−5.1%) | June 30, 2026 |
| 4 | American Century Companies Inc | 5.67% | 3.2M | $17.1M | +695,313 (+27.7%) | June 30, 2026 |
| 5 | AQR Capital Management LLC | 4.37% | 2.5M | $13.2M | +516,817 (+26.4%) | June 30, 2026 |
| 6 | D. E. Shaw & Co LP | 3.88% | 2.2M | $11.7M | −282,485 (−11.4%) | June 30, 2026 |
| 7 | Dimensional Fund Advisors, Inc. | 3.49% | 2.0M | $10.5M | −86,843 (−4.2%) | June 30, 2026 |
| 8 | Amvescap Plc. | 2.94% | 1.7M | $8.9M | −64,235 (−3.7%) | June 30, 2026 |
| 9 | Fuller & Thaler Asset Management Inc | 2.91% | 1.6M | $8.8M | +256,272 (+18.5%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.56% | 1.4M | $7.7M | +166,833 (+13.0%) | June 30, 2026 |
| 11 | Morgan Stanley - Brokerage Accounts | 2.34% | 1.3M | $7.1M | −109,799 (−7.7%) | June 30, 2026 |
| 12 | Charles Schwab Investment Management Inc | 2.27% | 1.3M | $6.9M | −213,414 (−14.2%) | June 30, 2026 |
| 13 | Harvey Partners LLC | 2.11% | 1.2M | $6.4M | −113,421 (−8.7%) | June 30, 2026 |
| 14 | State Street Corp | 2.11% | 1.2M | $6.4M | −18,528 (−1.5%) | June 30, 2026 |
| 15 | Mackenzie Investments | 1.78% | 1.0M | $5.4M | +382,735 (+61.1%) | June 30, 2026 |
| 16 | Vanguard Portfolio Management, LLC | 1.75% | 990K | $5.3M | +104,017 (+11.7%) | June 30, 2026 |
| 17 | Acadian Asset Management LLC | 1.64% | 928K | $5.0M | +581,792 (+168.0%) | June 30, 2026 |
| 18 | CSM Advisors, LLC | 1.43% | 807K | $4.3M | +90,752 (+12.7%) | June 30, 2026 |
| 19 | JPMorgan Chase & Co | 1.42% | 800K | $4.3M | −97,710 (−10.9%) | June 30, 2026 |
| 20 | Minneapolis Portfolio Management Grp,LLC | 1.33% | 752K | $4.0M | −78,303 (−9.4%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 3.2M shares and 10 cut 1.2M.
OEC top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Avantis US Small Cap Value ETF | 6.17% | 3.5M | $18.6M | +7,296 (+0.2%) | September 30, 2026 |
| 2 | Invesco Small Cap Value A | 2.90% | 1.6M | $8.8M | +97,124 (+6.3%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.55% | 1.4M | $7.7M | −16,640 (−1.1%) | September 30, 2026 |
| 4 | Fidelity Small Cap Index | 1.09% | 616K | $3.3M | +5,963 (+1.0%) | July 31, 2026 |
| 5 | DFA US Small Cap Value I | 1.06% | 602K | $3.2M | +62,663 (+11.6%) | August 31, 2026 |
| 6 | Canada Life US Small-Mid Cap Growth F | 1.06% | 601K | $3.2M | +498,128 (+483.6%) | July 31, 2026 |
| 7 | Schwab Fundamental U.S. Small CompanyETF | 0.94% | 529K | $2.8M | +749 (+0.1%) | September 30, 2026 |
| 8 | Hamco Global Value F EUR Acc | 0.93% | 528K | $2.8M | — | September 30, 2026 |
| 9 | iShares Russell 2000 Value ETF | 0.91% | 515K | $2.7M | +780 (+0.2%) | September 30, 2026 |
| 10 | Lazard Baylight US Sm Cap Eq WW Dist EUR | 0.63% | 356K | $1.9M | +2,456 (+0.7%) | June 30, 2026 |
| 11 | North Square Small Cap Value Investor | 0.62% | 348K | $1.9M | — | August 31, 2026 |
| 12 | Vanguard Russell 2000 ETF | 0.58% | 327K | $1.7M | +4,431 (+1.4%) | September 30, 2026 |
| 13 | Fidelity Extended Market Index | 0.54% | 306K | $1.6M | −10,324 (−3.3%) | August 31, 2026 |
| 14 | Schwab US Small-Cap ETF™ | 0.54% | 306K | $1.6M | +207 (+0.1%) | September 30, 2026 |
| 15 | Mackenzie GQE US Small Cap F8 | 0.43% | 243K | $1.3M | +28,099 (+13.1%) | July 31, 2026 |
| 16 | Dimensional US Small Cap Value ETF | 0.41% | 229K | $1.2M | −8,375 (−3.5%) | September 24, 2026 |
| 17 | DFA US Targeted Value I | 0.39% | 220K | $1.2M | −75,798 (−25.6%) | August 31, 2026 |
| 18 | Avantis® U.S. Small Cap Value Instl | 0.38% | 214K | $1.1M | +19,889 (+10.3%) | September 30, 2026 |
| 19 | Vanguard Strategic Small-Cap Equity Inv | 0.38% | 213K | $1.1M | +41,504 (+24.2%) | June 30, 2026 |
| 20 | Dimensional US Targeted Value ETF | 0.36% | 202K | $1.1M | +158 (+0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
OEC insider transactions
latest 9| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-03-12 | Carlos Quinones | Buy | $13.07 | 3,300 | $43,131 |
| 2024-08-22 | Corning F Painter | Buy | $17.69 | 10,000 | $176,900 |
| 2024-08-09 | Dan F Smith | Buy | $18.53 | 2,500 | $46,325 |
| 2024-08-07 | Corning F Painter | Buy | $17.48 | 20,000 | $349,600 |
| 2024-08-07 | Jeffrey Glajch | Buy | $18.16 | 15,000 | $272,400 |
| 2024-06-10 | Carlos Quinones | Buy | $23.51 | 4,000 | $94,040 |
| 2024-06-07 | Jeffrey Glajch | Buy | $23.68 | 5,000 | $118,400 |
| 2024-06-04 | Sandra Niewiem | Sell | $24.21 | 8,305 | $201,064 |
| 2023-08-18 | Corning F Painter | Buy | $21.59 | 15,000 | $323,850 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
OEC shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns OEC
Institutional investors own 96.0% of Orion Engineered Carbons's shares and insiders 3.87%. The largest holder is Pzena Investment Management, LLC with 8.44% of the shares (4.8M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 10 reduced their stake in the latest filings. Short interest is 4.02% of the float, or 5.27 days of average trading volume. The share count fell 6.0% since 2014.
Related: OEC analyst forecast, OEC key metrics, OEC dividend history. See the OEC stock overview for the latest quote and news.
OEC ownership FAQ
Who owns the most Orion Engineered Carbons stock?
The largest shareholders of Orion Engineered Carbons are Pzena Investment Management, LLC (8.44%), BlackRock Inc (7.44%), Divisar Capital Management, LLC (5.99%), American Century Companies Inc (5.67%), AQR Capital Management LLC (4.37%).
What percentage of Orion Engineered Carbons is owned by institutions?
Institutions hold 96.0% of Orion Engineered Carbons's shares outstanding; insiders hold 3.87%.
Which funds own Orion Engineered Carbons?
The largest fund holders of Orion Engineered Carbons are Avantis US Small Cap Value ETF (6.17%), Invesco Small Cap Value A (2.90%), iShares Russell 2000 ETF (2.55%), Fidelity Small Cap Index (1.09%), DFA US Small Cap Value I (1.06%).
What is Orion Engineered Carbons's short interest?
2.2M shares of Orion Engineered Carbons were sold short, 4.02% of the float; at the average daily volume it would take 5.27 days to cover.
Are insiders buying or selling Orion Engineered Carbons?
Of the latest 9 reported insider transactions in Orion Engineered Carbons (since August 18, 2023), 8 were purchases and 1 were sales.
How many shares of Orion Engineered Carbons are outstanding?
Orion Engineered Carbons has 56.5M shares outstanding, of which 51.3M are in the public float.