NPK International NPKI Institutional Ownership

NYSE NPKI

$10.76 -0.33 (-2.98%)

As of: Oct 22, 2026 · 10:11 AM EDT

Institutions by Trading Activity

255 Institutions

Increased 138 54.1%

Unchanged 33 12.9%

Reduced 84 32.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

92.54%

▲+2.52 pp QoQ

Shares Held by Institutions

78.58Mn

of 84.91Mn outstanding

▲+3.36% QoQ

Shares Outstanding

84.91Mn

6.33Mn held outside 13F filers

Institutional Investors

255

filed 13F for Jun 2026

▲+9 vs prior quarter

Net Shares Added (QoQ)

+2.56Mn

accumulated since last quarter

Value of Holdings

$856.47Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

NPK International Inc. (NYSE:NPKI) counted 255 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Together they owned 92.54% of the outstanding stock in Q2 2026, up from 90.02% a quarter earlier.
Total holdings of NPKI shares rose 3.36% from Q1 2026, and the holder count rose 37.84% from Q2 2025.
Of the 255 holders, 138 added to their positions, 84 reduced their stakes and 33 left their positions unchanged in Q2 2026.
Altogether, institutional holders owned 78.58Mn NPKI shares at the end of Q2 2026, up 2.56Mn from the prior quarter and up 5.48Mn from a year earlier.
BlackRock, Inc. held the largest position in NPKI at 7.94Mn shares as of June 30, 2026, or 9.35% of shares outstanding.
Among holders that already owned NPK International, the biggest buyers in Q2 2026 were Millennium Management LLC (+891.04K shares), BlackRock, Inc. (+737.8K shares), Invesco Ltd. (+732.1K shares), Wellington Management Group LLP (+525.72K shares) and First Eagle Investment Management, LLC (+447.18K shares).
The largest position reductions in NPKI for Q2 2026 were by Ameriprise Financial Inc (-1.14Mn shares), Prudential Financial Inc (-570.25K shares), Morgan Stanley (-563.63K shares), Two Sigma Investments, LP (-501.4K shares) and SEI Investments Co (-418.24K shares).
Per Business Quant, the top 10 investors in NPKI for the quarter ended June 30, 2026 were BlackRock, Inc. (7.94Mn shares), Ameriprise Financial Inc (4.49Mn shares), Dimensional Fund Advisors LP (3.64Mn shares), Vanguard Capital Management LLC (3.6Mn shares), American Century Companies Inc (3.13Mn shares), Wasatch Advisors LP (2.81Mn shares), Geode Capital Management, LLC (2.37Mn shares), Royce & Associates LP (2.15Mn shares), State Street Corp (2.01Mn shares) and Punch & Associates Investment Management, Inc. (1.74Mn shares).

Form 13F Holdings

255 Institutional Holders

Report period 30 Jun, 2026

Total shares held 78.58Mn

Of outstanding 92.54%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	7,940,503	9.35%	▲737,798	+10.24%	$126.33Mn
2	Ameriprise Financial Inc	0000820027	4,486,433	5.28%	▼1,137,119	-20.22%	$71.38Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	3,641,547	4.29%	▼342,111	-8.59%	$57.94Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,604,823	4.25%	▲179,881	+5.25%	$57.35Mn
5	AMERICAN CENTURY COMPANIES INC	0000748054	3,128,652	3.68%	▲84,889	+2.79%	$49.78Mn
6	WASATCH ADVISORS LP	0000814133	2,811,593	3.31%	▼87,428	-3.02%	$44.73Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,369,714	2.79%	▲125,550	+5.59%	$37.71Mn
8	ROYCE & ASSOCIATES LP	0000906304	2,149,100	2.53%	▲78,090	+3.77%	$34.19Mn
9	State Street Corp	0000093751	2,014,703	2.37%	▲59,384	+3.04%	$32.05Mn
10	PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.	0001238990	1,738,857	2.05%	▼79,933	-4.39%	$27.67Mn
11	EMERALD ADVISERS, LLC	0001015083	1,573,597	1.85%	▲1,573,597	0.00%	$25.04Mn
12	THRIVENT FINANCIAL FOR LUTHERANS	0000314984	1,513,362	1.78%	▼152,261	-9.14%	$24.08K
13	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	1,452,984	1.71%	▲1,452,984	0.00%	$23.12Mn
14	Russell Investments Group, Ltd.	0001692234	1,395,934	1.64%	▼330,309	-19.13%	$22.21Mn
15	Morgan Stanley	0000895421	1,259,432	1.48%	▼563,628	-30.92%	$20.04Mn
16	Electron Capital Partners, LLC	0001586986	1,169,304	1.38%	▲69,361	+6.31%	$18.60Mn
17	Allianz Asset Management GmbH	0001535323	1,156,530	1.36%	0	0.00%	$16.76Mn
18	LOOMIS SAYLES & CO L P	0000312348	1,150,634	1.36%	▼27,359	-2.32%	$18.31Mn
19	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	1,134,552	1.34%	▼404,536	-26.28%	$18.05Mn
20	Prudential Financial Inc	0001137774	1,116,379	1.31%	▼570,250	-33.81%	$17.76Mn

Showing 1 to 20 of 255 holders