Oceaneering International Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:OII Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
07 Mar 24	SellUS$155,800	Karen Beachy	Individual	7,600	US$20.50
28 Sep 23	SellUS$56,984	Shaun Roedel	Individual	2,122	US$26.85
27 Sep 23	SellUS$821,233	Alan Curtis	Individual	31,011	US$26.48
26 Sep 23	SellUS$379,746	Earl Childress	Individual	14,600	US$26.01
04 Aug 23	SellUS$103,157	Christopher Dyer	Individual	4,800	US$21.50

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of OII?
Owner Type	Number of Shares	Ownership Percentage
State or Government	39,973	0.0394%
Individual Insiders	1,736,637	1.71%
General Public	2,556,739	2.52%
Institutions	97,055,880	95.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 75.49% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.7%	BlackRock, Inc.	15,902,610	US$460.4m	-0.7%	0.01%
12.4%	The Vanguard Group, Inc.	12,578,957	US$364.2m	0.94%	no data
5.19%	EARNEST Partners, LLC	5,259,951	US$152.3m	9.25%	0.6%
4.8%	Neuberger Berman Investment Advisers LLC	4,866,185	US$140.9m	-1.2%	0.1%
4.8%	State Street Global Advisors, Inc.	4,864,392	US$140.8m	-3.54%	no data
3.58%	FMR LLC	3,626,257	US$105.0m	-9.53%	0.01%
2.62%	Dimensional Fund Advisors LP	2,661,400	US$77.0m	-0.03%	0.01%
2.17%	BNY Asset Management	2,202,420	US$63.8m	32.6%	0.01%
2.17%	Sourcerock Group LLC	2,198,009	US$63.6m	72.9%	4.8%
2.15%	Geode Capital Management, LLC	2,179,707	US$63.1m	3.24%	no data
2.05%	Van Eck Associates Corporation	2,076,502	US$60.1m	0.51%	0.06%
1.9%	Brown Advisory Incorporated	1,922,684	US$55.7m	1.67%	0.06%
1.88%	Greenhouse Funds LLLP	1,909,220	US$55.3m	12%	2.96%
1.76%	American Century Investment Management Inc	1,782,677	US$51.6m	20.4%	0.02%
1.57%	Aristotle Capital Boston, LLC	1,593,535	US$46.1m	-3.41%	1.19%
1.4%	Loomis Sayles & Company, L.P.	1,423,978	US$41.2m	-3.09%	0.05%
1.25%	Franklin Resources, Inc.	1,267,334	US$36.7m	-25.3%	0.01%
1.24%	Janus Henderson Group plc	1,253,175	US$36.3m	46.6%	0.01%
1.18%	Charles Schwab Investment Management, Inc.	1,193,798	US$34.6m	0%	0.01%
1.1%	Hennessy Advisors, Inc.	1,117,000	US$32.3m	-4.24%	0.99%
1.06%	Northern Trust Global Investments	1,074,779	US$31.1m	-2.21%	no data
0.95%	RBC Global Asset Management Inc.	968,255	US$28.0m	48.4%	0.02%
0.95%	New York State Common Retirement Fund	966,610	US$28.0m	26.7%	0.03%
0.89%	Invesco Capital Management LLC	902,941	US$26.1m	-25.7%	0.01%
0.73%	Sagefield Capital	742,076	US$21.5m	-13.3%	2.65%