Orion Engineered Carbons S.A.
Orion Engineered Carbons S.A. (OEC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · OEC · as of Sep 30, 2025
Ownership Breakdown
185
Institutional Holders
▼ 13 vs Q2
$394.49M
Total Inst. Value
▼ $154.01M vs Q2
56.39M
Shares Outstanding
freeFloat 90.61%
51.99M
13F Shares Held
▼ 287,992 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
OEC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
PZENA INVESTMENT MANAGEMENT LLC miscellaneous chemical products | 4.69M | 8.36% | 8.36% | $35.59B | Nov 7, 2025 | ▲ 117.6K |
BLACKROCK, INC. miscellaneous chemical products | 4.25M | 7.57% | 7.57% | $32.22B | Nov 12, 2025 | ▼ 6.3K |
DIVISAR CAPITAL MANAGEMENT LLC miscellaneous chemical products | 2.45M | 4.36% | 4.36% | $18.57B | Nov 14, 2025 | ▲ 241.2K |
BROWN ADVISORY INC miscellaneous chemical products | 2.45M | 4.36% | 4.36% | $18.57B | Nov 14, 2025 | ▼ 21.6K |
HARVEY PARTNERS, LLC miscellaneous chemical products | 2.42M | 4.32% | 4.32% | $18.38B | Nov 14, 2025 | — held |
DIMENSIONAL FUND ADVISORS LP miscellaneous chemical products | 2.35M | 4.19% | 4.19% | $17.82B | Nov 12, 2025 | ▲ 7.0K |
AMERICAN CENTURY COMPANIES INC miscellaneous chemical products | 2.14M | 3.81% | 3.81% | $16.21B | Nov 12, 2025 | ▲ 137.9K |
VANGUARD GROUP INC miscellaneous chemical products | 1.89M | 3.37% | 3.37% | $14.36B | Nov 7, 2025 | ▲ 213.3K |
D. E. SHAW & CO., INC. miscellaneous chemical products | 1.88M | 3.35% | 3.35% | $14.25B | Nov 14, 2025 | ▲ 340.1K |
INVESCO LTD. miscellaneous chemical products | 1.80M | 3.21% | 3.21% | $13.64B | Nov 13, 2025 | ▼ 5.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+4.41M shares1
New Positions
first time holders15
Decreased
−3.24M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.17M
+4.41M / −3.24M
Net new holders
+16
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
OEC insider trading · insider activity
Source: SEC Form 4
5
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Riveros Pedro Sr. VP Global Rubber | Apr 29, 2026 | Award | 24,898 | — | — | 78.9K | Form 4 ↗ |
Quinones Carlos Sr. VP Global Operations | Apr 29, 2026 | Award | 23,018 | — | — | 112.7K | Form 4 ↗ |
Puckett Jonathan A. Chief Financial Officer | Apr 29, 2026 | Award | 41,513 | — | — | 90.7K | Form 4 ↗ |
Painter Corning F. Chief Executive Officer | Apr 29, 2026 | Award | 220,849 | — | — | 1.30M | Form 4 ↗ |
Niewiem Sandra Sr. VP Global Specialties | Apr 29, 2026 | Award | 24,087 | — | — | 51.5K | Form 4 ↗ |
Riveros Pedro Sr. VP Global Rubber | Feb 19, 2026 | Award | 6,988 | — | — | 57.0K | Form 4 ↗ |
Riveros Pedro Sr. VP Global Rubber | Feb 19, 2026 | Tax Withhold | 2,982 | $6.27 | $18.7K | 54.0K | Form 4 ↗ |
Riveros Pedro Sr. VP Global Rubber | Feb 19, 2026 | Tax Withhold | 2,721 | $6.27 | $17.1K | 50.0K | Form 4 ↗ |
Quinones Carlos Sr. VP Global Operations | Feb 19, 2026 | Award | 6,516 | — | — | 91.8K | Form 4 ↗ |
Quinones Carlos Sr. VP Global Operations | Feb 19, 2026 | Tax Withhold | 2,129 | $6.27 | $13.3K | 89.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Orion Engineered Carbons S.A. (OEC) is primarily owned by institutional investors, who hold approximately 92.2% of total shares outstanding. Company insiders own approximately 9.39%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Orion Engineered Carbons S.A. is PZENA INVESTMENT MANAGEMENT LLC, holding approximately 4.69 million shares — equal to 8.36% of outstanding shares — as of September 30, 2025.
A total of 185 institutional investors currently hold OEC stock, with a combined institutional value of approximately $394,490,896 as of the most recent 13F filing period.
Frequently asked questions
OEC ownershipOrion Engineered Carbons S.A. (OEC) is primarily owned by institutional investors, who hold approximately 92.2% of shares. The largest shareholder is PZENA INVESTMENT MANAGEMENT LLC with a 8.36% stake. Company insiders hold 9.39%. Data sourced from SEC Form 13F as of September 30, 2025.