OII — OCEANEERING INTERNATIONAL INCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
1
all time
Members · 12m
0
0 buys · 0 sells · by trade date
Latest filing
03-05
2015-03-05
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
0
every row filed inside 45 days
13F holders
311
all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-23
Congress 1Institutional 311

Congress · disclosure timeline

By trade date · 24 months · 0 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

No dated OII rows fall inside the trailing 24 months by trade date.

Members active in OII

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-23).

No member disclosed OII in the trailing 12 months.

Congressional disclosures

Newest filed firstAll 1 row ↗
Latest congressional filings mentioning OII
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2015-03-05Thomas MacArthur R–NJ-3SELLTraded 01-27 +37d$1K–$15K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

Top institutional holders of OII for quarter 2026-03-31, 1–25 of 311 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§
1BlackRock, Inc.$580M1
derived ·§ EDGAR ↗
2VANGUARD PORTFOLIO MANAGEMENT LLC$269M1
derived ·§ EDGAR ↗
3BROWN ADVISORY INC$205M1
derived ·§ EDGAR ↗
4STATE STREET CORP$179M1
derived ·§ EDGAR ↗
5VANGUARD CAPITAL MANAGEMENT LLC$159M1
derived ·§ EDGAR ↗
6AMERICAN CENTURY COMPANIES INC$134M1
derived ·§ EDGAR ↗
7EARNEST PARTNERS LLC$131M1
derived ·§ EDGAR ↗
8DIMENSIONAL FUND ADVISORS LP$123M1
derived ·§ EDGAR ↗
9GEODE CAPITAL MANAGEMENT, LLC$84.3M1
derived ·§ EDGAR ↗
10Greenhouse Funds LLLP$72.1M1
derived ·§ EDGAR ↗
11BARROW HANLEY MEWHINNEY & STRAUSS LLC$50.4M1
derived ·§ EDGAR ↗
12CHARLES SCHWAB INVESTMENT MANAGEMENT INC$49.1M1
derived ·§ EDGAR ↗
13NORTHERN TRUST CORP$45.0M1
derived ·§ EDGAR ↗
14ROYAL BANK OF CANADA$37.2M1
derived ·§ EDGAR ↗
15MORGAN STANLEY$36.9M1
derived ·§ EDGAR ↗
16Boston Partners$30.3M1
derived ·§ EDGAR ↗
17FRANKLIN RESOURCES INC$29.4M1
derived ·§ EDGAR ↗
18Fisher Asset Management, LLC$28.1M1
derived ·§ EDGAR ↗
19Bank of New York Mellon Corp$26.8M1
derived ·§ EDGAR ↗
20Goehring & Rozencwajg Associates, LLC$25.3M1
derived ·§ EDGAR ↗
21Invesco Ltd.$24.9M1
derived ·§ EDGAR ↗
22Old West Investment Management, LLC$24.7M1
derived ·§ EDGAR ↗
23VANGUARD FIDUCIARY TRUST CO$24.5M1
derived ·§ EDGAR ↗
24FEDERATED HERMES, INC.$24.4M1
derived ·§ EDGAR ↗
25MASSACHUSETTS FINANCIAL SERVICES CO /MA/$24.2M1
derived ·§ EDGAR ↗
Show all 311 holders
Truncated by Public Filings. All 275 13F filers reporting this share class are listed. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · OII

Congress · last 90 days

Buyers
0 — —
Sellers
0 — —

filed 2026-07-25 → 2026-10-23 · statutory ranges

Notable managers · quarter ended 2026-03-31

Adding
1 Gotham Asset Management $2.3M held
Trimming
1 Caxton Associates $996K held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · OCEANEERING INTL INC

Merged timeline of congressional filings and notable-manager moves on OII
DateWhoChangeSize
2026-05-15Gotham Asset Management 13FADD+19,518 sh
2026-05-14Caxton Associates 13FTRIM−6,583 sh

2 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)no rows
Congress net ($ bound)$0
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.