Ticker · CUSIP 75282U104

RNGR

RANGER ENERGY SVCS INC

Energy·Oil & Gas Equipment & Services

···Share

Holders (tracked)

Combined shares

1,146,244

Combined value

$16.02M

Last close

$17.06

Quarter

2025Q4

Price is +22.0% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$17.06+4.67 (+37.70%)H $17.61 · L $10.51 · Avg Vol 177K

Position opened

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

12 events

Ken Griffin (Citadel Advisors) opened position2026-02-17
+139,745 shares · 2025Q4
Position
D.E. Shaw & Co. opened position2026-02-17
+25,652 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−26,090 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+74,977 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+178,486 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−5,256 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+43,650 shares · 2025Q4
Position
AQR Capital Management added2025-11-14
+47,316 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−69,524 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−15,203 shares · 2025Q3
Position
T. Rowe Price opened position2025-11-14
+11,085 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−750 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for RNGR →

Follow-the-investor returns

If you'd copied each holder of RNGR…

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
T. Rowe Price	2017Q3	$10.58	+61.2%	$189K
Renaissance Technologies	2019Q2	$11.06	+54.3%	$4.5M
Izzy Englander (Millennium Mgmt)	2018Q2	$11.69	+46.0%	$534K
AQR Capital Management	2023Q3	$12.62	+35.2%	$9.9M
Two Sigma Investments	2023Q3	$13.48	+26.5%	$305K
Steve Cohen (Point72)	2025Q4	$13.98	+22.0%	$1.3M
Ken Griffin (Citadel Advisors)	2022Q3	$14.13	+20.7%	$2.4M
D.E. Shaw & Co.	2024Q4	$15.48	+10.2%	$438K

Who moved on this name in 2025Q4

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

New positions3

Ken Griffin (Citadel Advisors)
+139,745
$2.0M
Steve Cohen (Point72)
+74,977
$1.0M
D.E. Shaw & Co.
+25,652
$359K

Added to2

AQR Capital Management
+178,486
$2.5M
Renaissance Technologies
+43,650
$610K

Trimmed2

Izzy Englander (Millennium Mgmt)
−26,090
$365K
Two Sigma Investments
−5,256
$73K

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	4	2,309,754	$23.7M	—
2022Q2	4	4,339,965	$44.0M	—
2022Q3	3	217,425	$2.1M	-1
2022Q4	4	385,959	$4.2M	+1
2023Q1	4	517,546	$5.3M	—
2023Q2	4	1,283,597	$13.1M	—
2023Q3	5	1,435,820	$20.4M	+1
2023Q4	6	1,475,988	$15.1M	+1
2024Q1	8	1,686,871	$19.0M	+2
2024Q2	4	1,665,910	$17.5M	-4
2024Q3	3	548,442	$6.5M	-1
2024Q4	5	551,446	$8.5M	+2
2025Q1	6	626,114	$8.9M	+1
2025Q2	5	843,162	$10.1M	-1
2025Q3	5	715,080	$10.0M	—
2025Q4	8	1,146,244	$16.0M	+3

Who owns RNGR

8 super-investors · 2025Q4

Tracked stake

1.15M

Combined value

$16M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added2Trim2Held1

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	AQR Capital Management	580.6K	$8M	0.0%	Added+178.5K
2	Renaissance Technologies	265.0K	$4M	0.0%	Added+43.6K
3	Ken Griffin Citadel Advisors	139.7K	$2M	0.0%	New+139.7K
4	Steve Cohen Point72	75.0K	$1M	0.0%	New+75.0K	—
5	Izzy Englander Millennium Mgmt	31.3K	$438K	0.0%	Trim−26.1K
6	D.E. Shaw & Co.	25.7K	$359K	0.0%	New+25.7K
7	Two Sigma Investments	17.9K	$250K	0.0%	Trim−5.3K
8	T. Rowe Price	11.1K	$155K	0.0%	Held

Recent moves

20 transactions

TRIMTwo Sigma Investments
−5,256 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−26,090 · 2025Q4
NEWD.E. Shaw & Co.
+25,652 · 2025Q4
NEWKen Griffin (Citadel Advisors)
+139,745 · 2025Q4
NEWSteve Cohen (Point72)
+74,977 · 2025Q4
ADDAQR Capital Management
+178,486 · 2025Q4
ADDRenaissance Technologies
+43,650 · 2025Q4
ADDAQR Capital Management
+47,316 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−69,524 · 2025Q3
TRIMTwo Sigma Investments
−15,203 · 2025Q3
NEWT. Rowe Price
+11,085 · 2025Q3
TRIMRenaissance Technologies
−750 · 2025Q3
ADDAQR Capital Management
+110,211 · 2025Q2
ADDIzzy Englander (Millennium Mgmt)
+92,535 · 2025Q2
TRIMTwo Sigma Investments
−4,529 · 2025Q2
ADDRenaissance Technologies
+31,600 · 2025Q2
TRIMTwo Sigma Investments
−34,192 · 2025Q1
ADDIzzy Englander (Millennium Mgmt)
+3,556 · 2025Q1
SOLDD.E. Shaw & Co.
−44,394 · 2025Q1
ADDAQR Capital Management
+25,923 · 2025Q1

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