Ken Griffin Oil & Gas Equipment & Services

Citadel Advisors LLC

$618 Billion
Q3 2025

Stock List

Stock	Market Cap.	Holding Value (Reported)	# of Shares.	Last Trade
SLB Schlumberger Limited	$52.4B	$78.5 Million 0.01% of portfolio	2,282,515	Q3 2025 Added 126.42%
AROC Archrock, Inc.	$3.75B	$71.3 Million 0.01% of portfolio	2,709,360	Q3 2025 Added 5.02%
HAL Halliburton CO	$24.8B	$71.2 Million 0.01% of portfolio	2,894,334	Q3 2025 Added 52.05%
NESR National Energy Services Reunited Corp.	$1.26B	$22.7 Million 0.0% of portfolio	2,214,607	Q3 2025 New
BKR Baker Hughes CO	$48.8B	$19.7 Million 0.0% of portfolio	404,801	Q3 2025 Added 3.38%
NOV Nov Inc.	$6.17B	$17.5 Million 0.0% of portfolio	1,318,657	Q3 2025 Reduced 34.96%
VAL Valaris LTD	$4.29B	$14.7 Million 0.0% of portfolio	301,080	Q3 2025 Reduced 27.11%
WHD Cactus, Inc.	$2.53B	$12.7 Million 0.0% of portfolio	321,910	Q3 2025 Reduced 43.64%
DNOW Now Inc.	$1.38B	$9.57 Million 0.0% of portfolio	627,286	Q3 2025 Reduced 32.17%

FTI Technip Fmc PLC	$19.5B	$9.38 Million 0.0% of portfolio	237,698	Q3 2025 Reduced 80.47%
PUMP Pro Petro Holding Corp.	$1.04B	$9.11 Million 0.0% of portfolio	1,738,327	Q3 2025 Added 254.07%
XPRO Expro Group Holdings N.V.	$1.47B	$8.28 Million 0.0% of portfolio	696,592	Q3 2025 Reduced 69.64%
TDW Tidewater Inc	$2.69B	$5.72 Million 0.0% of portfolio	107,272	Q3 2025 Added 38.78%
HLX Helix Energy Solutions Group Inc	$1.03B	$4.85 Million 0.0% of portfolio	738,796	Q3 2025 Added 394.0%
RES Rpc Inc	$1.17B	$4.46 Million 0.0% of portfolio	936,399	Q3 2025 Added 3.69%
LBRT Liberty Energy Inc.	$2.9B	$3.52 Million 0.0% of portfolio	285,379	Q3 2025 Reduced 90.51%
WTTR Select Energy Services, Inc.	$979M	$3.38 Million 0.0% of portfolio	316,429	Q3 2025 Reduced 54.64%
OII Oceaneering International Inc	$2.4B	$2.6 Million 0.0% of portfolio	105,124	Q3 2025 Added 54.77%

SOI Solaris Oilfield Infrastructure, Inc.	$442M	$2.5 Million 0.0% of portfolio	186,317	Q3 2025 Added 304.09%
USAC Usa Compression Partners, LP	$2.33B	$2.43 Million 0.0% of portfolio	101,405	Q3 2025 New
MRC Mrc Global Inc.	$1.15B	$2 Million 0.0% of portfolio	138,542	Q3 2025 Reduced 36.04%
FET Forum Energy Technologies, Inc.	$176M	$921,000 0.0% of portfolio	34,543	Q3 2025 New
GEOS Geospace Technologies Corp	$163M	$636,000 0.0% of portfolio	50,822	Q3 2025 New
TS Tenaris Sa	$24B	$414,000 0.0% of portfolio	11,597	Q3 2025 Reduced 99.33%
OIS Oil States International, Inc	$391M	$351,000 0.0% of portfolio	57,948	Q3 2025 Reduced 91.9%
VTOL Bristow Group Inc.	$1.09B	$341,000 0.0% of portfolio	9,464	Q3 2025 Reduced 15.18%
TTI Tetra Technologies Inc	$988M	$316,000 0.0% of portfolio	55,090	Q3 2025 Reduced 61.55%
NOA North American Construction Group Ltd.	$364M	$292,000 0.0% of portfolio	20,582	Q3 2025 Reduced 64.42%
NCSM Ncs Multistage Holdings, Inc.	$91.3M	$291,000 0.0% of portfolio	5,860	Q3 2025 New
NGS Natural Gas Services Group Inc	$364M	$232,000 0.0% of portfolio	8,334	Q3 2025 New
SND Smart Sand, Inc.	$113M	$175,000 0.0% of portfolio	82,611	Q3 2025 New
NINE Nine Energy Service, Inc.	$15M	$149,000 0.0% of portfolio	241,205	Q3 2025 New
DWSN Dawson Geophysical CO	$48.8M	$107,000 0.0% of portfolio	60,599	Q3 2025 Added 67.89%
BOOM Dmc Global Inc.	$114M	$107,000 0.0% of portfolio	12,728	Q3 2025 Reduced 87.2%
KLXE Klx Energy Services Holdings, Inc.	$19.6M	$51,000 0.0% of portfolio	27,154	Q3 2025 Reduced 40.77%
PFHC Pro Frac Holding Corp.	$0	$0 0.0% of portfolio	653,663	Q3 2025 New

Shares Options

Ken Griffin

Ken Griffin is the founder and CEO of Citadel Advisors, a successful investment firm that uses technology and data-driven approaches to investing. Griffin is known for his expertise in quantitative investing and his innovative approach to investing. He has generated strong returns for his clients over the long term.

Track Ken Griffin's portfolio

Track Ken Griffin's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Citadel Advisors LLC, based on Form 13F filings with the SEC.

News

Stay updated on Citadel Advisors LLC and Ken Griffin with notifications on news.

Account