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 Nov 24	SellUS$56,240	Leonardo Granato	Individual	2,000	US$28.12
10 Sep 24	SellUS$75,702	Karen Beachy	Individual	3,300	US$22.94
20 Aug 24	SellUS$252,711	M. McEvoy	Individual	9,675	US$26.12
15 Aug 24	SellUS$575,632	Alan Curtis	Individual	21,070	US$27.32
08 Aug 24	SellUS$257,000	Earl Childress	Individual	10,000	US$25.70
07 Mar 24	SellUS$155,800	Karen Beachy	Individual	7,600	US$20.50

Insider Trading Volume

Insider Buying: OII insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of OII?
Owner Type	Number of Shares	Ownership Percentage
State or Government	31,283	0.0298%
Individual Insiders	1,776,677	1.69%
Institutions	103,190,359	98.3%

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

Top Shareholders

Top 25 shareholders own 79.98% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.7%	BlackRock, Inc.	15,811,356	US$434.2m	0%	0.01%
12.3%	The Vanguard Group, Inc.	12,411,180	US$340.8m	-0.75%	no data
5.88%	EARNEST Partners, LLC	5,938,058	US$163.1m	-6.71%	0.67%
5.17%	State Street Global Advisors, Inc.	5,221,049	US$143.4m	2.1%	0.01%
4.68%	Neuberger Berman Investment Advisers LLC	4,734,612	US$130.0m	-0.47%	0.1%
4.14%	Brown Advisory Incorporated	4,184,797	US$114.9m	25.3%	0.14%
2.86%	FMR LLC	2,893,987	US$79.5m	1.26%	no data
2.66%	Dimensional Fund Advisors LP	2,687,372	US$73.8m	-0.66%	0.01%
2.46%	American Century Investment Management Inc	2,486,420	US$68.3m	23%	0.03%
2.42%	Greenhouse Funds LLLP	2,445,433	US$67.2m	8.93%	2.91%
2.26%	Geode Capital Management, LLC	2,279,039	US$62.6m	1.17%	no data
1.82%	Loomis Sayles & Company, L.P.	1,838,772	US$50.5m	12.7%	0.06%
1.79%	BNY Asset Management	1,813,774	US$49.8m	-2.42%	0.01%
1.76%	Brown Advisory LLC	1,774,286	US$48.7m	8.74%	0.17%
1.62%	New York State Common Retirement Fund	1,638,867	US$45.0m	-15.5%	0.06%
1.54%	Congress Asset Management Company, LLP	1,560,873	US$42.9m	0%	0.28%
1.43%	Van Eck Associates Corporation	1,440,294	US$39.6m	-12.4%	0.04%
1.39%	Aristotle Capital Boston, LLC	1,402,940	US$38.5m	-4.43%	1.23%
1.3%	Franklin Resources, Inc.	1,318,678	US$36.2m	3.6%	0.01%
1.27%	Sourcerock Group LLC	1,288,248	US$35.4m	-55%	2.64%
1.26%	Hennessy Advisors, Inc.	1,275,800	US$35.0m	14.2%	1.0%
1.23%	Charles Schwab Investment Management, Inc.	1,240,577	US$34.1m	1.28%	0.01%
1.15%	RBC Global Asset Management Inc.	1,161,709	US$31.9m	-2.25%	0.02%
1.02%	Northern Trust Global Investments	1,030,703	US$28.3m	0.07%	no data
0.93%	Janus Henderson Group plc	944,496	US$25.9m	-28.3%	0.01%