Security key
27923Q109
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 109,802,612
- Total 13F value
- $1,366,215,280
- Share change
- -2,248,710
- SEC-reported price per share
- $12.45
- Number of holders
- 207
- Value change
- -$30,491,807
- Number of buys
- 121
- Number of sells
- 90
- Shares outstanding
- 109,591,646
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
207
Top holders
10
ECVT full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
Ecovyst Inc. SEC filings
Ecovyst Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 27923Q109
Recent filing periods:
Ownership snapshot
Top reported holders of ECVT - Ecovyst Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Rubric Capital Management LP
Disclosed value leader
Rubric Capital Management LP
Comparable rows
15/15
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 9.1%
13D/G row: Rubric Capital Management LP
Showing 1-6 of 15 holder rows.
Quick read
Rubric Capital Management LP leads the comparable SEC ownership view at 9.1%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Rubric Capital Management LP's linked filing trail.
Comparable ownership
Top 5
Rubric Capital Management LP
9.1%
BlackRock, Inc.
7.7%
DIMENSIONAL FUND ADVISORS LP
6%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.6%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Rubric Capital Management LP |
13F
13D/G
Company
|
9.1%
from 13D/G
|
$117,489,822
9,136,067 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.7%
from 13D/G
|
$112,322,069
8,734,220 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
6%
from 13D/G
|
$83,572,691
6,498,654 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.6%
|
$73,126,670
6,191,928 shares
|
$0 | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$74,768,542
5,814,039 shares
|
$0 | 31 Mar 2026 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13D/G
13F
Hotchkis and Wiley Capital Management, LLC · Company
|
4.9%
|
$69,622,265
5,413,862 shares
|
-$44,216,409 | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
207
Shares
109,802,612
Rows available
207
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q4 2025 Across Filers
Q4 2025 holders
161
Q2 2026 holders
207
Holder diff
46
| Investor | Q4 2025 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend