Ken Griffin Oceaneering International Inc Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Oceaneering International Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 105,124 shares of OII stock, worth $2.52 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

105,124

Previous 67,922 54.77%

Holding current value

$2.52 Million

Previous $1.41 Million 85.07%

% of portfolio

0.0%

Previous 0.0%

26 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$20.47 - $25.66 $761,524 - $954,603	37,202 Added 54.77%	105,124 $2.6 Million
Q2 2025 Aug 14, 2025	SELL	$15.95 - $22.55 $898,351 - $1.27 Million	-56,323 Reduced 45.33%	67,922 $1.41 Million
Q1 2025 May 15, 2025	BUY	$19.14 - $27.93 $2.38 Million - $3.47 Million	124,245 New	124,245 $2.71 Million
Q3 2024 Nov 14, 2024	BUY	$22.41 - $30.02 $1.33 Million - $1.78 Million	59,455 Added 996.23%	65,423 $1.63 Million
Q2 2024 Aug 14, 2024	SELL	$20.86 - $25.51 $192,475 - $235,380	-9,227 Reduced 60.72%	5,968 $141,000

Q1 2024 May 15, 2024	SELL	$19.11 - $23.4 $29,429 - $36,036	-1,540 Reduced 9.2%	15,195 $355,000
Q4 2023 Feb 14, 2024	SELL	$18.97 - $26.02 $1.17 Million - $1.6 Million	-61,489 Reduced 78.61%	16,735 $356,000
Q3 2023 Nov 14, 2023	BUY	$19.03 - $27.19 $806,015 - $1.15 Million	42,355 Added 118.08%	78,224 $2.01 Million
Q2 2023 Aug 14, 2023	SELL	$15.31 - $18.7 $9.42 Million - $11.5 Million	-615,335 Reduced 94.49%	35,869 $670,000
Q1 2023 May 15, 2023	BUY	$16.19 - $22.11 $7.51 Million - $10.3 Million	463,603 Added 247.12%	651,204 $11.5 Million
Q4 2022 Feb 14, 2023	BUY	$8.57 - $17.49 $1.19 Million - $2.43 Million	138,856 Added 284.86%	187,601 $3.28 Million
Q3 2022 Nov 14, 2022	BUY	$7.3 - $11.27 $355,838 - $549,356	48,745 New	48,745 $388,000
Q3 2021 Nov 15, 2021	BUY	$10.98 - $16.56 $94,460 - $142,465	8,603 Added 32.58%	35,012 $466,000
Q1 2021 May 17, 2021	SELL	$8.23 - $15.31 $513,691 - $955,604	-62,417 Reduced 70.27%	26,409 $302,000
Q4 2020 Feb 16, 2021	BUY	$3.48 - $8.85 $43,701 - $111,138	12,558 Added 16.47%	88,826 $706,000
Q3 2020 Nov 16, 2020	SELL	$3.52 - $6.28 $578,311 - $1.03 Million	-164,293 Reduced 68.3%	76,268 $269,000
Q2 2020 Aug 14, 2020	SELL	$2.74 - $8.84 $1.96 Million - $6.33 Million	-716,485 Reduced 74.86%	240,561 $1.54 Million
Q1 2020 May 15, 2020	BUY	$2.08 - $15.96 $1.49 Million - $11.5 Million	717,808 Added 300.04%	957,046 $2.81 Million
Q4 2019 Feb 14, 2020	SELL	$12.49 - $15.14 $34.1 Million - $41.3 Million	-2,729,164 Reduced 91.94%	239,238 $3.57 Million
Q3 2019 Nov 14, 2019	BUY	$11.58 - $20.32 $12.2 Million - $21.4 Million	1,051,748 Added 54.87%	2,968,402 $40.2 Million
Q2 2019 Aug 14, 2019	BUY	$15.25 - $20.39 $28.4 Million - $37.9 Million	1,859,534 Added 3255.49%	1,916,654 $39.1 Million
Q1 2019 May 15, 2019	BUY	$12.64 - $16.87 $595,483 - $794,762	47,111 Added 470.69%	57,120 $0
Q4 2018 Feb 14, 2019	SELL	$10.96 - $27.4 $11.2 Million - $28 Million	-1,021,436 Reduced 99.03%	10,009 $121,000
Q3 2018 Nov 13, 2018	BUY	$24.98 - $28.49 $25.1 Million - $28.6 Million	1,003,466 Added 3586.5%	1,031,445 $0
Q2 2018 Aug 10, 2018	BUY	$17.95 - $25.46 $247,602 - $351,195	13,794 Added 97.24%	27,979 $0
Q4 2017 Feb 09, 2018	BUY	$18.28 - $25.84 $259,301 - $366,540	14,185	14,185 $300,000

Others Institutions Holding OII

# of Institutions

327

Shares Held

96.4M

Call Options Held

279K

Put Options Held

151K

View Full List

About OCEANEERING INTERNATIONAL INC

Ticker OII
Exchange NYSE
Sector Energy
Industry Oil & Gas Equipment & Services
Shares Outstandng 100,260,000
Market Cap $2.4B
Description
Oceaneering International, Inc. provides engineered services, products, and robotic solutions to the offshore energy, defense, aerospace, manufacturing, and entertainment industries worldwide. The company's Subsea Robotics segment provides remotely operated vehicles (ROVs) for drill support and vessel-based services, including subsea hardware in...

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