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Security record · archived quarter

KOP

Koppers Holdings Inc. · Basic Materials · Chemicals - Specialty

46.13 +0.7% mkt cap $887.16M quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
80Tracked holders
+2Δ holders
11.62MShares held
$521.50MReported value
+7New positions
−5Exits
Rising Conviction score 45/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +2.6% · share flow +1.5% · net new positions +2.5%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 80 +2 11.62M $521.50M +7 −5
Q1 2026 81 +2 11.47M $443.39M +8 −6
Q4 2025 79 +1 12.18M $329.82M +1
Q3 2025 16 0 7.38M $206.56M
Q2 2025 13 +1 7.56M $243.04M +2 −1
Q1 2025 9 -1 1.88M $52.72M −1
Q4 2024 10 0 2.03M $65.62M
Q3 2024 9 +1 1.14M $41.48M +1
Q2 2024 8 1.02M $37.65M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
2 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
3 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
4 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
5 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
6 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
7 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
8 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
9 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
10 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
11 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
12 BlackRock (passive) 3.05M +0.1% $136.84M 0.0% ▲ Add 5 SEC ↗
13 Dimensional Fund Advisors Lp 1.24M +3.9% $55.55M 0.0% ▲ Add 3 SEC ↗
14 Dimensional Fund Advisors Lp 1.24M +3.9% $55.55M 0.0% ▲ Add 3 SEC ↗
15 Dimensional Fund Advisors Lp 1.24M +3.9% $55.55M 0.0% ▲ Add 3 SEC ↗
16 Dimensional Fund Advisors Lp 1.24M +3.9% $55.55M 0.0% ▲ Add 3 SEC ↗
17 Dimensional Fund Advisors Lp 1.24M +3.9% $55.55M 0.0% ▲ Add 3 SEC ↗
18 American Century Companies Inc 848.07K +58.5% $38.08M 0.0% ▲ Add 3 SEC ↗
19 Vanguard Capital Management Llc 812.63K -3.3% $36.49M 0.0% ▼ Trim 2 SEC ↗
20 State Street Global Advisors (passive) 804.55K +7.0% $36.12M 0.0% ▲ Add 7 SEC ↗
21 Geode Capital Management (passive) 483.42K +3.4% $21.71M 0.0% ▲ Add 9 SEC ↗
22 Geode Capital Management (passive) 483.42K +3.4% $21.71M 0.0% ▲ Add 9 SEC ↗
23 Charles Schwab Investment… 384.12K -19.6% $17.25M 0.0% ▼ Trim 3 SEC ↗
24 Invesco Ltd. 332.61K +79.2% $14.93M 0.0% ▲ Add 3 SEC ↗
25 Invesco Ltd. 332.61K +79.2% $14.93M 0.0% ▲ Add 3 SEC ↗
26 Invesco Ltd. 332.61K +79.2% $14.93M 0.0% ▲ Add 3 SEC ↗
27 Invesco Ltd. 332.61K +79.2% $14.93M 0.0% ▲ Add 3 SEC ↗
28 Invesco Ltd. 332.61K +79.2% $14.93M 0.0% ▲ Add 3 SEC ↗
29 Ameriprise Financial Inc 285.66K +9.1% $12.83M 0.0% ▲ Add 3 SEC ↗
30 Ameriprise Financial Inc 285.66K +9.1% $12.83M 0.0% ▲ Add 3 SEC ↗
31 Two Sigma Investments 266.05K -36.3% $11.95M 0.0% ▼ Trim 9 SEC ↗
32 Northern Trust Corp 253.48K +3.4% $11.38M 0.0% ▲ Add 3 SEC ↗
33 Northern Trust Corp 253.48K +3.4% $11.38M 0.0% ▲ Add 3 SEC ↗
34 Northern Trust Corp 253.48K +3.4% $11.38M 0.0% ▲ Add 3 SEC ↗
35 Northern Trust Corp 253.48K +3.4% $11.38M 0.0% ▲ Add 3 SEC ↗
36 Northern Trust Corp 253.48K +3.4% $11.38M 0.0% ▲ Add 3 SEC ↗
37 Northern Trust Corp 253.48K +3.4% $11.38M 0.0% ▲ Add 3 SEC ↗
38 Morgan Stanley 242.92K +9.7% $10.91M 0.0% ▲ Add 4 SEC ↗
39 Morgan Stanley 242.92K +9.7% $10.91M 0.0% ▲ Add 4 SEC ↗
40 Morgan Stanley 242.92K +9.7% $10.91M 0.0% ▲ Add 4 SEC ↗
41 Morgan Stanley 242.92K +9.7% $10.91M 0.0% ▲ Add 4 SEC ↗
42 Morgan Stanley 242.92K +9.7% $10.91M 0.0% ▲ Add 4 SEC ↗
43 Morgan Stanley 242.92K +9.7% $10.91M 0.0% ▲ Add 4 SEC ↗
44 Bank of New York Mellon Corp 222.57K -0.8% $9.99M 0.0% ▼ Trim 3 SEC ↗
45 Bank of New York Mellon Corp 222.57K -0.8% $9.99M 0.0% ▼ Trim 3 SEC ↗
46 Bank of New York Mellon Corp 222.57K -0.8% $9.99M 0.0% ▼ Trim 3 SEC ↗
47 Bank of New York Mellon Corp 222.57K -0.8% $9.99M 0.0% ▼ Trim 3 SEC ↗
48 Bank of New York Mellon Corp 222.57K -0.8% $9.99M 0.0% ▼ Trim 3 SEC ↗
49 Bank of New York Mellon Corp 222.57K -0.8% $9.99M 0.0% ▼ Trim 3 SEC ↗
50 Arrowstreet Capital 189.20K +16.7% $8.50M 0.0% ▲ Add 2 SEC ↗
51 Goldman Sachs Group 158.81K +9.6% $7.13M 0.0% ▲ Add 4 SEC ↗
52 Goldman Sachs Group 158.81K +9.6% $7.13M 0.0% ▲ Add 4 SEC ↗
53 Principal Financial Group Inc 136.72K +0.8% $6.14M 0.0% ▲ Add 3 SEC ↗
54 Principal Financial Group Inc 136.72K +0.8% $6.14M 0.0% ▲ Add 3 SEC ↗
55 Universal- Beteiligungs- und… 130.58K +0.6% $5.86M 0.0% ▲ Add 3 SEC ↗
56 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
57 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
58 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
59 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
60 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
61 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
62 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
63 Russell Investments Group, Ltd. 129.72K -29.2% $5.82M 0.0% ▼ Trim 3 SEC ↗
64 JPMorgan Chase 122.35K +34.9% $5.55M 0.0% ▲ Add 4 SEC ↗
65 JPMorgan Chase 122.35K +34.9% $5.55M 0.0% ▲ Add 4 SEC ↗
66 JPMorgan Chase 122.35K +34.9% $5.55M 0.0% ▲ Add 4 SEC ↗
67 Bank Of America Corp /De/ 117.92K -8.6% $5.29M 0.0% ▼ Trim 3 SEC ↗
68 Bank Of America Corp /De/ 117.92K -8.6% $5.29M 0.0% ▼ Trim 3 SEC ↗
69 Bank Of America Corp /De/ 117.92K -8.6% $5.29M 0.0% ▼ Trim 3 SEC ↗
70 Bank Of America Corp /De/ 117.92K -8.6% $5.29M 0.0% ▼ Trim 3 SEC ↗
71 Pacer Advisors, Inc. 114.07K New $5.12M 0.0% New 1 SEC ↗
72 AQR Capital Management 78.20K -18.1% $3.51M 0.0% ▼ Trim 9 SEC ↗
73 AQR Capital Management 78.20K -18.1% $3.51M 0.0% ▼ Trim 9 SEC ↗
74 AQR Capital Management 78.20K -18.1% $3.51M 0.0% ▼ Trim 9 SEC ↗
75 AQR Capital Management 78.20K -18.1% $3.51M 0.0% ▼ Trim 9 SEC ↗
76 AQR Capital Management 78.20K -18.1% $3.51M 0.0% ▼ Trim 9 SEC ↗
77 AQR Capital Management 78.20K -18.1% $3.51M 0.0% ▼ Trim 9 SEC ↗
78 AQR Capital Management 78.20K -18.1% $3.51M 0.0% ▼ Trim 9 SEC ↗
79 Franklin Resources Inc 70.24K +12.5% $3.15M 0.0% ▲ Add 3 SEC ↗
80 Franklin Resources Inc 70.24K +12.5% $3.15M 0.0% ▲ Add 3 SEC ↗
81 Franklin Resources Inc 70.24K +12.5% $3.15M 0.0% ▲ Add 3 SEC ↗
82 Franklin Resources Inc 70.24K +12.5% $3.15M 0.0% ▲ Add 3 SEC ↗
83 First Trust Advisors Lp 65.53K +2.2% $2.94M 0.0% ▲ Add 3 SEC ↗
84 Federated Hermes, Inc. 62.78K -7.5% $2.82M 0.0% ▼ Trim 3 SEC ↗
85 Federated Hermes, Inc. 62.78K -7.5% $2.82M 0.0% ▼ Trim 3 SEC ↗
86 Federated Hermes, Inc. 62.78K -7.5% $2.82M 0.0% ▼ Trim 3 SEC ↗
87 Federated Hermes, Inc. 62.78K -7.5% $2.82M 0.0% ▼ Trim 3 SEC ↗
88 Jane Street Group, Llc 54.01K -63.2% $2.43M 0.0% ▼ Trim 2 SEC ↗
89 Jane Street Group, Llc 54.01K -63.2% $2.43M 0.0% ▼ Trim 2 SEC ↗
90 Nuveen, LLC 51.02K -19.2% $2.29M 0.0% ▼ Trim 3 SEC ↗
91 Nuveen, LLC 51.02K -19.2% $2.29M 0.0% ▼ Trim 3 SEC ↗
92 Nuveen, LLC 51.02K -19.2% $2.29M 0.0% ▼ Trim 3 SEC ↗
93 UBS AM, a distinct business unit of… 50.67K -14.0% $2.27M 0.0% ▼ Trim 3 SEC ↗
94 UBS AM, a distinct business unit of… 50.67K -14.0% $2.27M 0.0% ▼ Trim 3 SEC ↗
95 UBS AM, a distinct business unit of… 50.67K -14.0% $2.27M 0.0% ▼ Trim 3 SEC ↗
96 Rhumbline Advisers 49.72K -14.1% $2.23M 0.0% ▼ Trim 3 SEC ↗
97 Citigroup Inc 46.17K -27.6% $2.07M 0.0% ▼ Trim 3 SEC ↗
98 Citigroup Inc 46.17K -27.6% $2.07M 0.0% ▼ Trim 3 SEC ↗
99 Citigroup Inc 46.17K -27.6% $2.07M 0.0% ▼ Trim 3 SEC ↗
100 Creative Planning 40.21K +118.6% $1.81M 0.0% ▲ Add 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Pacer Advisors, Inc. $5.12M 0.0%

Exited

Millennium Management $2.01M was 0.0%
Susquehanna International… $1.22M was 0.0%
Balyasny Asset Management L.P. $555,290 was 0.0%
Baird Financial Group, Inc. $285,652 was 0.0%
Renaissance Technologies $212,740 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 203 holders, 19.00M shares, $678.99M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 19 BALL M LEROY

Officer, Director · 3.00K sh · $137,520

Aug 12 Lucas Stephen G

Officer · 1.31K sh · $58,271

Aug 11 Sullivan James A.

Officer · 7.50K sh · $375,000

Aug 10 Pearce Bradley A

Officer · 2.00K sh · $102,020

Aug 07 Sullivan James A.

Officer · 79.90K sh · $4.00M

Aug 07 Sullivan James A.

Officer · 100 sh · $5,122

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Jul 31 SC 13G/A — VANGUARD CAPITAL MANAGEMENT LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API