ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in PTEN — Patterson Uti Energy Inc

CIK 1164508 BOSTON, MA

Position in PTEN

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$7,938,606

+$7,764,006 QoQ

Shares Held

733,020

+3678.5% QoQ

Ownership

0.193%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

8 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $46,058,629 across 3 Oil & Gas Drilling names. PTEN ranks #2 (17.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PDS	PRECISION DRILLING Corp	373,936	$36,795,302
2	PTEN	Patterson Uti Energy Inc This page	733,020	$7,938,606
3	NBR	Nabors Industries Ltd	15,393	$1,324,721

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,938,606	733,020	+3678.5%	Shares	Defined	2026-05-14
2021-09-30	$174,600	19,400	-94.0%	Shares	Defined	2021-11-12
2021-06-30	$3,200,282	321,960	-85.4%	Shares	Defined	2021-08-13
2021-03-31	$15,745,257	2,208,311	-17.3%	Shares	Defined	2021-05-14
2020-12-31	$14,045,067	2,670,165	-10.0%	Shares	Defined	2021-02-12
2020-09-30	$8,459,221	2,968,148	-6.1%	Shares	Defined	2020-11-12
2020-06-30	$10,968,257	3,160,881	+1616.0%	Shares	Defined	2020-08-12
2020-03-31	$432,870	184,200	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.