Simplex Trading’s Oceaneering OII Stock Holding History

Simplex Trading’s Portfolio OII Stock Details OII Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q3	$1.06M	Buy	24,400 +19,900	+442%	+$947K	﹤0.01%	2657
2026 Q2	$182K	Sell	4,500 -27,900	-86%	-$1.05M	﹤0.01%	4830
2026 Q1	$1.15M	Buy	32,400 +32,200	+16,100%	+$1.04M	﹤0.01%	2357
2025 Q4	$4.81K	Sell	200 -3,400	-94%	-$82.1K	﹤0.01%	7455
2025 Q3	$89K	Sell	3,600 -2,100	-37%	-$48.2K	﹤0.01%	5884
2025 Q2	$118K	Hold	5,700	–	–	﹤0.01%	5071
2025 Q1	$124K	Buy	5,700 +1,200	+27%	+$28.5K	﹤0.01%	4842
2024 Q4	$117K	Buy	4,500 +2,100	+88%	+$55.5K	﹤0.01%	5039
2024 Q3	$59K	Sell	2,400 -4,900	-67%	-$126K	﹤0.01%	5754
2024 Q2	$172K	Buy	7,300 +600	+9%	+$13.9K	﹤0.01%	4801
2024 Q1	$156K	Buy	6,700 +2,600	+63%	+$54.6K	﹤0.01%	5104
2023 Q4	$87K	Sell	4,100 -7,200	-64%	-$160K	﹤0.01%	5530
2023 Q3	$290K	Sell	11,300 -26,000	-70%	-$594K	﹤0.01%	3972
2023 Q2	$697K	Buy	37,300 +6,000	+19%	+$103K	﹤0.01%	2962
2023 Q1	$551K	Buy	31,300 +27,300	+683%	+$526K	﹤0.01%	3162
2022 Q4	$69K	Buy	4,000 +2,200	+122%	+$29.2K	﹤0.01%	5492
2022 Q3	$14K	Sell	1,800 -15,200	-89%	-$143K	﹤0.01%	7917
2022 Q2	$181K	Buy	17,000 +5,600	+49%	+$68.9K	﹤0.01%	4733
2022 Q1	$172K	Buy	11,400 +7,500	+192%	+$108K	﹤0.01%	5370
2021 Q4	$44K	Sell	3,900 -6,500	-63%	-$84.2K	﹤0.01%	7427
2021 Q3	$172K	Buy	10,400 +300	+3%	+$3.91K	﹤0.01%	5833
2021 Q2	$157K	Buy	10,100 +9,998	+9,802%	+$139K	﹤0.01%	6069
2021 Q1	$116K	Buy	102 +57	+127%	+$632	﹤0.01%	5542
2020 Q4	$35K	Buy	45 +13	+41%	+$76	﹤0.01%	6536
2020 Q3	$11K	Sell	32 -13	-29%	-$69	﹤0.01%	6752
2020 Q2	$28K	Buy	+45	New	+$237	﹤0.01%	5969
2020 Q1	–	Sell	-80	Closed	-$119K	–	8058
2019 Q4	$119K	Buy	80 +74	+1,233%	+$1.03K	﹤0.01%	4329
2019 Q3	$8K	Sell	6 -1,301	-100%	-$19.7K	﹤0.01%	6377
2019 Q2	$2.66M	Buy	1,307 +1,304	+43,467%	+$23.1K	0.01%	1088
2019 Q1	$4K	Buy	3 +2	+200%	+$31	﹤0.01%	6577
2018 Q4	$1K	Hold	1	–	–	﹤0.01%	6768
2018 Q3	$2K	Hold	1	–	–	﹤0.01%	7092
2018 Q2	$2K	Buy	+1	New	+$22	﹤0.01%	7048
2017 Q4	–	Sell	-152	Closed	-$1K	–	6468
2017 Q3	$1K	Buy	+152	New	+$3.68K	﹤0.01%	5520
2017 Q1	–	Sell	-12	Closed	-$2K	–	6604
2016 Q4	$2K	Buy	+12	New	+$323	﹤0.01%	5097
2016 Q3	–	Sell	-44	Closed	-$1K	–	6269
2016 Q2	$1K	Buy	44 +15	+52%	+$489	﹤0.01%	5379
2016 Q1	$4K	Buy	+29	New	+$903	﹤0.01%	4282
2015 Q3	–	Sell	-74	Closed	-$2K	–	5990
2015 Q2	$2K	Buy	+74	New	+$3.89K	﹤0.01%	4317

Other funds holding OII

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Reinhart Partners Mequon, Wisconsin $4.11B AUM 38.38% 1-Year Est. Return

Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments) Montreal, Quebec, Canada $45.4B AUM 34.02% 1-Year Est. Return

Ranger Investment Management Dallas, Texas $1.07B AUM 31.98% 1-Year Est. Return

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Simplex Trading's OII Position: Q3 2026 in Review

Simplex Trading sold out of Oceaneering (OII) in Q3 2026, closing a stake of 14,822 shares — an estimated $705K sold.

Simplex Trading first reported a position in OII in Q1 2015 and held it in 25 quarters. The position peaked at $601K in Q2 2026. 214 funds tracked by Wall St. Rank hold OII as of Q3 2026.

Simplex Trading reported no remaining Oceaneering position as of Q3 2026 after selling out during the quarter.
Simplex Trading sold 14,822 Oceaneering shares in Q3 2026, an estimated $705K.
Simplex Trading first reported a position in Oceaneering in Q1 2015 and held it in 25 quarters.
Simplex Trading's Oceaneering position peaked at $601K in Q2 2026.
214 funds tracked by Wall St. Rank held Oceaneering as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.