Who Owns Orion Engineered Carbons S.A. (OEC)?Hedge Fund & Institutional Holders

$4.79-0.06 (-1.14%)Basic MaterialsNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

8.437652927123801e+284%

QoQ Change in Holders

+11 / -5

Price History

$4.35$8.09$11.82$15.56$19.30Sep 24Jun 25Mar 26

OEC — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
AQR CAPITAL MANAGEMENT LLCIncreased+685K+$2.6B
JB CAPITAL PARTNERS LPNew Position+335K+$1.8B
CastleKnight Management LPIncreased+373K+$1.7B
LAZARD ASSET MANAGEMENT LLCNew Position+362K+$1.0B
DIAMOND HILL CAPITAL MANAGEMENT INCNew Position+333K+$1.0B
SEI INVESTMENTS CONew Position+230K+$1.0B
JACOBS LEVY EQUITY MANAGEMENT, INCIncreased+212K+$876.4M
STRS OHIONew Position+110K+$580.0M
FULLER & THALER ASSET MANAGEMENT, INC.Increased+325K+$414.8M
SummerHaven Investment Management, LLCNew Position+76K+$399.0M
State of WyomingNew Position+66K+$346.0M
Tiller Private Wealth, Inc.New Position+65K+$344.0M
KLP KAPITALFORVALTNING ASNew Position+64K+$339.0M
Penn Capital Management Company, LLCNew Position+59K+$310.0M
OXFORD ASSET MANAGEMENT LLPNew Position+58K+$308.0M

OEC — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Harvey Partners, LLCDecreased-16K-$18.4B
PZENA INVESTMENT MANAGEMENT LLCDecreased-112K-$11.4B
Medina Value Partners, LLCClosed Position-1.2M-$9.4B
BROWN ADVISORY INCDecreased-327K-$8.6B
DIMENSIONAL FUND ADVISORS LPDecreased-149K-$6.8B
Inherent Management Corp.Closed Position-852K-$6.5B
Walnut Level Capital LLCClosed Position-596K-$4.5B
Verition Fund Management LLCDecreased-563K-$4.4B
CITADEL ADVISORS LLCDecreased-230K-$3.2B
MILLENNIUM MANAGEMENT LLCDecreased-58K-$2.1B
Cubist Systematic Strategies, LLCClosed Position-277K-$2.1B
Trexquant Investment LPDecreased-103K-$2.1B
STATE OF WISCONSIN INVESTMENT BOARDClosed Position-274K-$2.1B
CenterBook Partners LPDecreased-24K-$2.1B
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPDecreased-149K-$2.0B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1PZENA INVESTMENT MANAGEMENT LLC4,582,596$24.2B0.07%Share
2DIMENSIONAL FUND ADVISORS LP2,097,835$11.0B0.00%Share
3AMERICAN CENTURY COMPANIES INC2,261,521$11.0B0.01%Share
4BROWN ADVISORY INC2,074,979$10.0B0.01%Share
5Invesco Ltd.1,686,854$8.9B0.00%Share
6D. E. Shaw & Co., Inc.1,644,851$8.0B0.00%Share
7CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,404,458$7.0B0.00%Share
8AQR CAPITAL MANAGEMENT LLC868,218$4.0B0.00%Share
9FULLER & THALER ASSET MANAGEMENT, INC.797,905$4.0B0.01%Share
10Quinn Opportunity Partners LLC647,563$3.4B0.14%Share
11D. E. Shaw & Co., Inc.721,003$3.0B0.00%Share
12CastleKnight Management LP471,941$2.5B0.06%Share
13First Pacific Advisors, LP417,388$2.2B0.03%Share
14NORTHERN TRUST CORP401,221$2.0B0.00%Share
15MILLENNIUM MANAGEMENT LLC487,960$2.0B0.00%Share
16JPMORGAN CHASE & CO560,012$2.0B0.00%Share
17JB CAPITAL PARTNERS LP335,000$1.8B0.30%Share
18KENNEDY CAPITAL MANAGEMENT LLC192,956$1.0B0.02%Share
19Atom Investors LP307,366$1.0B0.08%Share
20DIAMOND HILL CAPITAL MANAGEMENT INC332,594$1.0B0.01%Share
21GOLDMAN SACHS GROUP INC243,748$1.0B0.00%Share
22JPMORGAN CHASE & CO224,934$1.0B0.00%Share
23CenterBook Partners LP378,517$1.0B0.05%Share
24JACOBS LEVY EQUITY MANAGEMENT, INC228,105$1.0B0.00%Share
25FMR LLC338,166$1.0B0.00%Share
26RAYMOND JAMES FINANCIAL INC213,124$1.0B0.00%Share
27RAYMOND JAMES FINANCIAL INC367,168$1.0B0.00%Share
28UBS Group AG189,473$1.0B0.00%Share
29LAZARD ASSET MANAGEMENT LLC361,690$1.0B0.00%Share
30TWO SIGMA INVESTMENTS, LP360,384$1.0B0.00%Share
31SEI INVESTMENTS CO229,403$1.0B0.00%Share
32GRIZZLYROCK CAPITAL, LLC181,262$957.0M0.72%Share
33Walnut Level Capital LLC136,700$721.0M0.49%Call
34STRS OHIO110,000$580.0M0.00%Share
35Invesco Ltd.94,348$498.0M0.00%Share
36SummerHaven Investment Management, LLC75,591$399.0M0.23%Share
37State of Wyoming65,590$346.0M0.04%Share
38Tiller Private Wealth, Inc.65,186$344.0M0.12%Share
39KLP KAPITALFORVALTNING AS64,100$339.0M0.00%Share
40Counterpoint Mutual Funds LLC25,736$332.0M0.05%Share
41Penn Capital Management Company, LLC58,785$310.0M0.02%Share
42OXFORD ASSET MANAGEMENT LLP58,347$308.0M0.13%Share
43GAMCO INVESTORS, INC. ET AL57,341$302.0M0.00%Share
44SECURED RETIREMENT ADVISORS, LLC52,797$278.0M0.16%Share
45WEALTHEDGE INVESTMENT ADVISORS, LLC48,001$253.0M0.09%Share
46Tweedy, Browne Co LLC39,157$206.0M0.02%Share
47EXCHANGE TRADED CONCEPTS, LLC39,157$206.0M0.00%Share
48GROUP ONE TRADING LLC37,600$198.0M0.00%Call
49Mraz, Amerine & Associates, Inc.32,655$172.0M0.03%Share
50AXQ CAPITAL, LP28,917$152.0M0.03%Share

OEC Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025173$127.3B+26
Q3 2025147$262.8B-17
Q2 2025164$337.2B-36
Q1 2025200$535.0B+22
Q4 2024178$594.6B+14
Q3 2024164$14.0T-1
Q2 2024165$13.4T+11
Q1 2024154$10.8T—

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As of Q4 2025, 50 institutional investors hold OEC (Orion Engineered Carbons S.A.). The largest holder is PZENA INVESTMENT MANAGEMENT LLC with $24.2B in shares. This quarter, 11 institutions opened new positions and 5 closed their positions.

Frequently Asked Questions

How many hedge funds own OEC?

As of Q4 2025, 50 institutional investors report holding OEC (Orion Engineered Carbons S.A.) in their 13F filings.

Who is the largest institutional holder of OEC?

The largest institutional holder of OEC is PZENA INVESTMENT MANAGEMENT LLC with $24.2B in shares.

Is institutional ownership of OEC increasing or decreasing?

This quarter, 11 institutions opened new positions in OEC and 5 closed their positions.