Security key
651718504
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 2,860,810
- Total 13F value
- $45,515,488
- Share change
- -87,893
- SEC-reported price per share
- $15.91
- Number of holders
- 4
- Value change
- -$1,398,344
- Number of buys
- 1
- Number of sells
- 3
- Shares outstanding
- 84,758,681
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
4
Top holders
4
NPKI full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
NPK International Inc. SEC filings
NPK International Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 651718504
Recent filing periods:
Ownership snapshot
Top reported holders of NPKI - NPK International 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
AMERIPRISE FINANCIAL INC
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
08 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 6.2%
13D/G row: AMERIPRISE FINANCIAL INC
Showing 1-6 of 15 holder rows.
Quick read
AMERIPRISE FINANCIAL INC leads the comparable SEC ownership view at 6.2%.
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 AMERIPRISE FINANCIAL INC's linked filing trail.
Comparable ownership
Top 5
AMERIPRISE FINANCIAL INC
6.2%
DIMENSIONAL FUND ADVISORS LP
4.7%
Matthew Lanigan
1.2%
Gregg S. Piontek
1.1%
Donald W. Young
0.37%
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 |
|---|---|---|---|---|---|
| AMERIPRISE FINANCIAL INC |
13F
13D/G
Company
|
6.2%
from 13D/G
|
$81,485,265
5,623,552 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$57,722,150
3,983,658 shares
|
— | 31 Mar 2026 |
| Matthew Lanigan |
3/4/5
President & CEO, Director
|
1.2%
|
$17,380,550
1,024,948 shares
mixed-class rows
|
-$3,138,824 | 03 Jun 2026 |
| Gregg S. Piontek |
3/4/5
Senior Vice President and CFO
|
1.1%
|
$14,433,074
923,182 shares
mixed-class rows
|
-$2,486,979 | 01 Jun 2026 |
| Donald W. Young |
3/4/5
Director
|
0.37%
|
$1,787,905
310,940 shares
|
— | 15 May 2025 |
| M. Celeste Fruge |
3/4/5
VP, General Counsel
|
0.34%
|
$4,417,415
284,641 shares
mixed-class rows
|
-$162,863 | 01 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.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
4
Shares
2,860,810
Rows available
4
| 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 Q1 2026 Across Filers
Q1 2026 holders
245
Q2 2026 holders
4
Holder diff
-241
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend