PTEN in the 13F filings

Patterson-uti Energy Inc · CUSIP 703481101

Sector · Energy Theme · Energy and power infrastructure· L3VLUP-defined Theme · Oil and gas

Quarter

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024 Q4 2023 Q3 2023

Quarter end: 30 Jun 2026; the date the book describes
Filed: 27 Oct 2026; latest of these filings; the earliest 3 Aug 2026
Managers listing it: 25; at least, of 95 tracked, among listed positions
Comparable managers: 91; filed both Q1 2026 and Q2 2026; 6 listed it in both
Shares listed: 43,871,930; combined, among listed positions
Reported value: $404m; combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 16 buyers (opened or added shares) and 17 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -2,356,926.

Managers listing PTEN in Q2 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q1 2026, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

ActionShare of book at least

25 of 25 holders

				Action		Filing
Invesco Ltd	12,932,424	$119m	under 0.1%	Trimmed	-441,814	14 Aug 2026 (the filing on sec.gov)
Renaissance Technologies LLC	7,956,899	$73m	0.10%	Added	+3,828,800	13 Aug 2026 (the filing on sec.gov)
AQR Capital Management LLC	2,928,255	$27m	under 0.1%	Added	+838,809	14 Aug 2026 (the filing on sec.gov)
Two Sigma Investments LP	2,595,426	$24m	under 0.1%	Trimmed	-988,828	14 Aug 2026 (the filing on sec.gov)
Neuberger Berman Group LLC	2,568,564	$24m	under 0.1%	Added	+128,525	27 Oct 2026 (the filing on sec.gov)
Citadel Advisors LLC	1,949,857	$18m	under 0.1%	Added	+1,317,927	2 Sep 2026 (the filing on sec.gov)
Acadian Asset Management LLC	1,844,410	$17m	under 0.1%	Added	+1,684,552	13 Aug 2026 (the filing on sec.gov)
Freestone Grove Partners LP	1,607,903	$15m	0.09%	Added	+1,222,978	14 Aug 2026 (the filing on sec.gov)
Voloridge Investment Management LLC	1,503,233	$14m	0.06%	Added	+359,787	14 Aug 2026 (the filing on sec.gov)
D. E. Shaw & Co.	1,200,114	$11m	under 0.1%	Added	+939,611	14 Aug 2026 (the filing on sec.gov)
Squarepoint Ops LLC	1,172,547	$11m	under 0.1%	Trimmed	-2,163,953	14 Aug 2026 (the filing on sec.gov)
Bridgewater Associates LP	1,152,000	$11m	under 0.1%	Added	+1,067,947	14 Aug 2026 (the filing on sec.gov)
Man Group PLC	1,065,067	$9.8m	under 0.1%	Added	+19,302	14 Aug 2026 (the filing on sec.gov)
Millennium Management LLC	895,701	$8.2m	under 0.1%	Trimmed	-4,400,607	14 Aug 2026 (the filing on sec.gov)
AllianceBernstein LP	447,659	$4.8m	under 0.1%	Added	+42,400	14 Aug 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc	467,878	$4.3m	under 0.1%	Added	+78,107	14 Aug 2026 (the filing on sec.gov)
Susquehanna International Group LLP	428,838	$3.9m	under 0.1%	Added	+257,618	14 Aug 2026 (the filing on sec.gov)
Caxton Associates LLP	261,354	$2.4m	under 0.1%	Trimmed	-164,763	14 Aug 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP	200,237	$1.8m	under 0.1%	Trimmed	-4,696	14 Aug 2026 (the filing on sec.gov)
Quantbot Technologies LP	191,884	$1.8m	0.07%	Added	+56,304	12 Aug 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC	167,255	$1.5m	under 0.1%	Added	+84,771	14 Aug 2026 (the filing on sec.gov)
Janus Henderson Group Ltd	157,921	$1.4m	under 0.1%	Held	0	14 Aug 2026 (the filing on sec.gov)
Fidelity (FMR LLC)	103,809	$953k	under 0.1%	Added	+11,189	13 Aug 2026 (the filing on sec.gov)
GAMCO Investors Inc	55,472	$509k	under 0.1%	Trimmed	-943	12 Aug 2026 (the filing on sec.gov)
Walleye Capital LLC	17,223	$158k	under 0.1%	Trimmed	-295,043	3 Aug 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q1 2026 to Q2 2026, among managers that listed it in both quarters or opened it.

Increases

Renaissance Technologies LLCexisting position · 7,956,899 shares now+3,828,800
Acadian Asset Management LLCexisting position · 1,844,410 shares now+1,684,552
Citadel Advisors LLCexisting position · 1,949,857 shares now+1,317,927
Freestone Grove Partners LPexisting position · 1,607,903 shares now+1,222,978
Bridgewater Associates LPexisting position · 1,152,000 shares now+1,067,947

Reductions

Millennium Management LLCexisting position · 895,701 shares now-4,400,607
Squarepoint Ops LLCexisting position · 1,172,547 shares now-2,163,953
Two Sigma Investments LPexisting position · 2,595,426 shares now-988,828
Invesco Ltdexisting position · 12,932,424 shares now-441,814
Walleye Capital LLCexisting position · 17,223 shares now-295,043

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (0)

No new position among listed positions.

Exited (9)

Holocene Advisors LPwas $31m
Point72 Asset Management LPwas $8.4m
Arrowstreet Capital LPwas $7.9m
ExodusPoint Capital Management LPwas $5.3m
Balyasny Asset Management LLCwas $4.5m
Hudson Bay Capital Management LPwas $3.3m
Winton Group Ltdwas $1.6m
Maverick Capital Ltdwas $775k
Marshall Wace LLPwas $427k

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.

3 in Q3 2024 to 7 in Q2 2026

Tracked managers listing it, at least.

the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.

PTEN by quarter
Quarter	Holders	Reported value	Buyers	Sellers
Q2 2013	11	$334m	n.a.	n.a.
Q3 2013	9	$601m	n.a.	n.a.
Q4 2013	6	$644m	n.a.	n.a.
Q1 2014	13	$972m	n.a.	n.a.
Q2 2014	15	$812m	n.a.	n.a.
Q3 2014	13	$724m	n.a.	n.a.
Q4 2014	5	$452m	n.a.	n.a.
Q1 2015	7	$531m	n.a.	n.a.
Q2 2015	3	$388m	n.a.	n.a.
Q3 2015	7	$334m	n.a.	n.a.
Q4 2015	5	$349m	n.a.	n.a.
Q1 2016	5	$349m	n.a.	n.a.
Q2 2016	7	$455m	n.a.	n.a.
Q3 2016	6	$448m	n.a.	n.a.
Q4 2016	10	$415m	n.a.	n.a.
Q1 2017	8	$429m	n.a.	n.a.
Q2 2017	7	$455m	n.a.	n.a.
Q3 2017	5	$375m	n.a.	n.a.
Q4 2017	6	$337m	n.a.	n.a.
Q1 2018	9	$240m	n.a.	n.a.
Q2 2018	7	$290m	n.a.	n.a.
Q3 2018	8	$372m	n.a.	n.a.
Q4 2018	9	$215m	n.a.	n.a.
Q1 2019	4	$259m	n.a.	n.a.
Q2 2019	6	$340m	n.a.	n.a.
Q3 2019	5	$222m	n.a.	n.a.
Q4 2019	5	$363m	n.a.	n.a.
Q1 2020	1	$22m	n.a.	n.a.
Q2 2020	3	$58m	n.a.	n.a.
Q4 2020	2	$61m	n.a.	n.a.
Q1 2021	2	$61m	n.a.	n.a.
Q2 2021	2	$56m	n.a.	n.a.
Q3 2021	1	$15m	n.a.	n.a.
Q4 2021	3	$22m	n.a.	n.a.
Q1 2022	6	$130m	n.a.	n.a.
Q2 2022	6	$172m	n.a.	n.a.
Q3 2022	3	$79m	n.a.	n.a.
Q4 2022	6	$235m	n.a.	n.a.
Q1 2023	1	$1.2m	n.a.	n.a.
Q2 2023	6	$110m	n.a.	n.a.
Q3 2023	9	$292m	n.a.	n.a.
Q4 2023	4	$118m	2	5
Q1 2024	10	$166m	9	1
Q2 2024	4	$96m	3	4
Q3 2024	3	$36m	2	2
Q4 2024	6	$129m	5	0
Q1 2025	3	$67m	3	0
Q2 2025	6	$140m	6	0
Q3 2025	3	$120m	2	1
Q4 2025	3	$117m	16	16
Q1 2026	10	$142m	19	16
Q2 2026	7	$133m	16	17

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

PTEN and GEV →PTEN and XOM →PTEN and CVX →Choose a stock to compare with PTEN →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own PTEN, latest filings →Back to the 13F Explorer →

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