Ticker · CUSIP 651718504

NPKI

NEWPARK RES INC

Energy·Oil & Gas Equipment & Services

···Share

Holders (tracked)

Combined shares

3,588,657

Combined value

$42.78M

Last close

$14.70

Quarter

2025Q4

Price is +23.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$14.70+8.94 (+155.21%)H $15.16 · L $5.57 · Avg Vol 797K

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

22 events

Piontek Gregg · Senior Vice President and CFO
2026-04-09
Sold $225.7K @ $15.04
Insider sell
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+224,475 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−75,845 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) trimmed2026-02-17
−282,039 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+71,458 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−60,556 shares · 2025Q4
Position
Steve Cohen (Point72) added2026-02-17
+523,235 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+46,016 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+3,181 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−155,100 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−49,033 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
−7,315 shares · 2025Q4
Position
First Eagle Investment Management trimmed2026-02-04
−6,800 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−46,650 shares · 2025Q3
Position
Steve Cohen (Point72) opened position2025-11-14
+13,796 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+323,549 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+184,755 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+5,523 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+42,083 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+75,647 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−144,900 shares · 2025Q3
Position
First Eagle Investment Management trimmed2025-11-12
−145,000 shares · 2025Q3
Position

Insider activity

Last 30 days

Net (open-market)

−$225.7K

Buys

0 · $0

Sells

1 · $225.7K

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-09	Piontek Gregg Senior Vice President and CFO · Officer	S	15,000	$15.04	$225.7K

View full insider history for NPKI →

Follow-the-investor returns

If you'd copied each holder of NPKI…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Renaissance Technologies	2016Q1	$5.83	+152.1%	$7.6M
First Eagle Investment Management	2021Q2	$5.86	+150.7%	$3.9M
T. Rowe Price	2021Q1	$6.36	+131.0%	$908K
Ken Fisher (Fisher Asset Mgmt)	2023Q3	$6.86	+114.2%	$3.4M
Wellington Management	2018Q2	$6.86	+114.2%	$7.4M
AQR Capital Management	2016Q1	$7.96	+84.7%	$2.6M
Izzy Englander (Millennium Mgmt)	2016Q1	$8.31	+76.8%	$1.6M
D.E. Shaw & Co.	2016Q1	$8.79	+67.3%	$3.0M
Two Sigma Investments	2016Q1	$10.10	+45.6%	$7.4M
Paul Tudor Jones (Tudor Investment)	2016Q1	$10.74	+36.8%	$3.3M
Ken Griffin (Citadel Advisors)	2016Q1	$11.64	+26.3%	$181K
Ken Griffin (Citadel Advisors)	2016Q1	$11.64	+26.3%	$181K
Steve Cohen (Point72)	2023Q3	$11.86	+24.0%	$7.9M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Paul Tudor Jones (Tudor Investment)
+224,475
$2.7M

Added to4

Steve Cohen (Point72)
+523,235
$6.2M
Two Sigma Investments
+71,458
$852K
AQR Capital Management
+46,016
$549K
T. Rowe Price
+3,181
$38

Trimmed7

Ken Griffin (Citadel Advisors)
−282,039
$3.4M
Wellington Management
−155,100
$1.8M
D.E. Shaw & Co.
−75,845
$904K
Izzy Englander (Millennium Mgmt)
−60,556
$722K
Renaissance Technologies
−49,033
$584K
Ken Fisher (Fisher Asset Mgmt)
−7,315
$87K
First Eagle Investment Management
−6,800
$81K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	10	9,362,321	$34.3M	—
2022Q2	11	9,969,335	$30.8M	+1
2022Q3	9	9,436,470	$23.8M	-2
2022Q4	10	10,806,727	$44.8M	+1
2023Q1	11	10,559,197	$40.7M	+1
2023Q2	12	10,143,525	$53.1M	+1
2023Q3	14	9,279,182	$64.1M	+2
2023Q4	11	10,243,313	$68.0M	-3
2024Q1	12	10,535,733	$76.1M	+1
2024Q2	13	10,006,847	$83.2M	+1
2024Q3	12	3,031,851	$21.0M	-1
2024Q4	11	2,231,093	$17.1M	-1
2025Q1	12	3,458,396	$20.1M	+1
2025Q2	11	3,204,047	$27.3M	-1
2025Q3	12	3,357,680	$38.0M	+1
2025Q4	13	3,588,657	$42.8M	+1

Who owns NPKI

13 super-investors · 2025Q4

Tracked stake

3.59M

Combined value

$43M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added4Trim8

#	Manager	Shares	Value	% of book	Last action
1	Steve Cohen Point72	537.0K	$6M	0.0%	Added+523.2K
2	Renaissance Technologies	519.3K	$6M	0.0%	Trim−49.0K
3	Wellington Management	506.6K	$6M	0.0%	Trim−155.1K
4	Two Sigma Investments	505.2K	$6M	0.0%	Added+71.5K
5	First Eagle Investment Management	265.3K	$3M	0.0%	Trim−6.8K
6	Ken Griffin Citadel Advisors	241.6K	$3M	0.0%	Trim−282.0K
7	Ken Fisher Fisher Asset Mgmt	232.0K	$3M	0.0%	Trim−7.3K
8	Paul Tudor Jones Tudor Investment	224.5K	$3M	0.0%	New+224.5K
9	D.E. Shaw & Co.	202.1K	$2M	0.0%	Trim−75.8K
10	AQR Capital Management	174.5K	$2M	0.0%	Added+46.0K
11	Izzy Englander Millennium Mgmt	106.5K	$1M	0.0%	Trim−60.6K
12	T. Rowe Price	61.7K	$736K	0.0%	Added+3.2K
13	Ken Griffin Citadel Advisors	12.3K	$147K	0.0%	Trim−282.0K

Recent moves

20 transactions

ADDAQR Capital Management
+46,016 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+224,475 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−282,039 · 2025Q4
ADDT. Rowe Price
+3,181 · 2025Q4
ADDSteve Cohen (Point72)
+523,235 · 2025Q4
ADDTwo Sigma Investments
+71,458 · 2025Q4
TRIMD.E. Shaw & Co.
−75,845 · 2025Q4
TRIMWellington Management
−155,100 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−60,556 · 2025Q4
TRIMRenaissance Technologies
−49,033 · 2025Q4
TRIMKen Fisher (Fisher Asset Mgmt)
−7,315 · 2025Q4
TRIMFirst Eagle Investment Management
−6,800 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−46,650 · 2025Q3
NEWSteve Cohen (Point72)
+13,796 · 2025Q3
ADDTwo Sigma Investments
+323,549 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+75,647 · 2025Q3
ADDD.E. Shaw & Co.
+184,755 · 2025Q3
ADDT. Rowe Price
+5,523 · 2025Q3
ADDAQR Capital Management
+42,083 · 2025Q3
TRIMRenaissance Technologies
−144,900 · 2025Q3

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