Comparable stake leader
Boston Partners
SEC ownership of KRONOS WORLDWIDE INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001257640.
Disclosed value leader
Boston Partners
Comparable rows
0/50
Latest evidence
30 Jun 2026
- Public ticker
- KRO on NYSE
- Parsed ownership sources
-
13F and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Boston Partners
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001257640
- Issuer location
- Dallas, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of KRONOS WORLDWIDE INC (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
Boston Partners
Disclosed value leader
Boston Partners
Comparable rows
0/50
Latest evidence
30 Jun 2026
13F
3/4/5
Highest disclosed value: $19,471,268
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
Boston Partners has the largest disclosed position value at $19.47M.
0 of 50 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 Boston Partners's linked filing trail.
Disclosed position value
Top 5
Boston Partners
$19.47M
DIMENSIONAL FUND ADVISORS LP
$18.07M
BlackRock, Inc.
$10.89M
VANGUARD CAPITAL MANAGEMENT LLC
$6.21M
Bank of New York Mellon Corp
$5.03M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Boston Partners |
13F
Company
|
—
class O/S missing
|
$19,471,268
3,075,895 shares
|
— | 30 Jun 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
class O/S missing
|
$18,072,039
2,854,962 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$10,886,458
1,719,820 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$6,211,256
981,241 shares
|
— | 30 Jun 2026 |
| Bank of New York Mellon Corp |
13F
Company
|
—
class O/S missing
|
$5,030,347
794,684 shares
|
— | 30 Jun 2026 |
| Russell Investments Group, Ltd. |
13F
Company
|
—
class O/S missing
|
$4,214,162
665,745 shares
|
— | 30 Jun 2026 |
| AQR CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$3,827,970
604,734 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$3,656,983
577,631 shares
|
— | 30 Jun 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.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$98,510.
Buys
$98,510
Insiders: 1
Sells
$0
Insiders: 0
Net
+$98,510
Shares: +14,601
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 14,601
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 14,601 | 0 | $98,510 | $0 | +$98,510 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 24 reporting-owner rows connected to KRONOS WORLDWIDE INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
24
Largest Forms 3/4/5 holder
Kevin B. Kramer
Net 12M change
+$98,510
Latest report
18 May 2026
Recent insider transactions for KRONOS WORLDWIDE INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Kevin B. Kramer | KRO | Common Stock $0.01 par value per share | Purchase | 49% | $98,510 | $6.75 | 14,601 | 44,411 | 18 May 2026 | Direct |
| Brian W. Christian | KRO | Common Stock, $0.01 par value per share | Award | 5,550 | 5,550 | 13 May 2026 | Direct | |||
| Michael Shawn Simmons | KRO | Common Stock, $0.01 par value per share | Award | 111% | 5,550 | 10,550 | 13 May 2026 | Direct | ||
| Cecil H. Moore Jr. | KRO | Common Stock $0.01 par value per share | Award | 18% | 5,550 | 36,324 | 13 May 2026 | Direct | ||
| Meredith W. Mendes | KRO | Common Stock $0.01 par value per share | Award | 40.4% | 5,550 | 19,300 | 13 May 2026 | Direct | ||
| Kevin B. Kramer | KRO | Common Stock $0.01 par value per share | Award | 22.9% | 5,550 | 29,810 | 13 May 2026 | Direct | ||
| John E. Harper | KRO | Common Stock $0.01 par value per share | Award | 34.2% | 5,550 | 21,800 | 13 May 2026 | Direct | ||
| Loretta J. Feehan | KRO | Common Stock $0.01 par value per share | Award | 26.1% | 5,550 | 26,800 | 13 May 2026 | Direct | ||
| Dr. R. Gerald Turner | KRO | Common Stock $0.01 par value per share | Award | 17.3% | 5,550 | 37,596 | 13 May 2026 | Direct |
* marks a reported price that did not pass the local price check.