Security key
651718504
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 75,173,563
- Total 13F value
- $896,110,950
- Share change
- +1,432,330
- SEC-reported price per share
- $11.92
- Number of holders
- 241
- Value change
- +$18,563,375
- Number of buys
- 135
- Number of sells
- 96
- Shares outstanding
- 84,542,894
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
241
Top holders
10
NPKI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 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
30 Sep 2025
13D/G
13F
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%
Donald W. Young
0.37%
BlackRock, Inc.
7.6%
DIMENSIONAL FUND ADVISORS LP
5.7%
VANGUARD GROUP INC
5.6%
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 |
13D/G
13F
Company
|
6.2%
|
$59,350,774
5,247,637 shares
|
-$16,389,988 | 30 Sep 2025 |
| Donald W. Young |
3/4/5
Director
|
0.37%
|
$1,787,905
310,940 shares
|
— | 15 May 2025 |
| BlackRock, Inc. |
13F
Company
|
7.6%
|
$73,121,513
6,465,209 shares
|
— | 30 Sep 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
5.7%
|
$54,258,862
4,797,458 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
5.6%
|
$53,725,475
4,750,263 shares
|
— | 30 Sep 2025 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
3.5%
|
$33,602,756
2,971,066 shares
|
— | 30 Sep 2025 |
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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
241
Shares
75,173,563
Rows available
241
| 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 Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
206
Q4 2025 holders
241
Holder diff
35
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend