Comparable stake leader
BlackRock, Inc.
SEC ownership of TIDEWATER INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000098222.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
10 Aug 2026
- Public ticker
- TDW on NYSE, TDDWW, TDGMW on OTC
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
10 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000098222
- Issuer location
- Houston, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of TIDEWATER INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
10 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 14%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 14%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
14%
PRICE T ROWE ASSOCIATES INC /MD/
6.5%
Neuberger Berman Group LLC
5.8%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.4%
Robert E. Robotti
5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$503,200,329
7,552,159 shares
|
— | 30 Jun 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
T. Rowe Price Associates, Inc.
|
6.5%
|
$281,683,370
3,207,143 shares
|
-$106,565,896 | 31 Mar 2026 |
| Neuberger Berman Group LLC |
13D/G
|
5.8%
|
$110,366,924
3,036,229 shares
|
$0 | 31 Dec 2024 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
Vanguard Portfolio Management
|
5.4%
|
$222,981,248
2,668,836 shares
|
$0 | 31 Mar 2026 |
| Robert E. Robotti |
13F
13D/G
3/4/5
Individual · ROBOTTI ROBERT · Director
|
5%
from 13D/G
|
$193,652,099
2,906,380 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13D/G
|
4.7%
|
$90,051,991
2,477,359 shares
|
$0 | 31 Dec 2024 |
| Quintin Kneen |
3/4/5
DIRECTOR, PRESIDENT & CEO, Director
|
0.73%
|
$27,851,900
358,870 shares
|
— | 23 Mar 2026 |
| Dick Fagerstal |
3/4/5
Director
|
0.15%
|
$6,315,711
75,592 shares
|
— | 16 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$4,524,155.
Buys
$0
Insiders: 0
Sells
$4,524,155
Insiders: 2
Net
-$4,524,155
Shares: -57,656
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 57,656
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 5,000 | $0 | $445,050 | -$445,050 |
| 3-6 | 0 | 42,656 | $0 | $3,379,012 | -$3,379,012 |
| 6-9 | 0 | 10,000 | $0 | $700,093 | -$700,093 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-13 of 13 reporting-owner rows connected to TIDEWATER INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
13
Largest Forms 3/4/5 holder
Robert E. Robotti
Net 12M change
-$4,079,105
Latest report
10 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Robert E. Robotti | Director | $185,058,320 | Mixed | 16 Jun 2026 | ||
| Quintin Kneen | DIRECTOR, PRESIDENT & CEO, Director | $27,851,900 | Mixed | 23 Mar 2026 | ||
| Rigdon Larry T. | Director | $8,094,742 | Mixed | 03 Apr 2023 | ||
| Dick Fagerstal | Director | $6,315,711 | Mixed | 16 Jun 2026 | ||
| Kenneth Traub | Director | $6,142,679 | Mixed | 16 Jun 2026 | ||
| Samuel R. Rubio | Evp, Cfo & Cao | $5,244,030 | -$1,798,003 | -26% | Mixed | 23 Mar 2026 |
| Lois K. Zabrocky | Director | $4,515,961 | Mixed | 16 Jun 2026 | ||
| Daniel A. Hudson | EVP, CLO & Corporate Secretary | $4,292,863 | -$2,281,102 | -35% | Filing P/S | 10 Aug 2026 |
| Louis Raspino | Director | $4,056,436 | Mixed | 16 Jun 2026 | ||
| David E. Darling | Evp, Coo & Chief Hr Officer | $3,111,750 | Mixed | 22 Mar 2025 | ||
| Piers Dayer Middleton | EVP & Chief Operating Officer | $2,277,931 | Mixed | 23 Mar 2026 | ||
| Melissa Cougle | Director | $2,217,500 | Mixed | 16 Jun 2026 | ||
| Darron M. Anderson | Director | $1,854,017 | Mixed | 05 Jun 2025 |
Recent insider transactions for TIDEWATER INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Daniel A. Hudson | TDW | Common Stock, $0.001 par value | Sale | -9.39% | $445,050 | $89.01 | -5,000 | 48,229 | 10 Aug 2026 | Direct |
| Louis Raspino | TDW | Common Stock, $0.001 par value | Award | 3.76% | 1,760 | 48,551 | 16 Jun 2026 | Direct | ||
| Melissa Cougle | TDW | Common Stock, $0.001 par value | Award | 7.1% | 1,760 | 26,541 | 16 Jun 2026 | Direct | ||
| Lois K. Zabrocky | TDW | Common Stock, $0.001 par value | Award | 3.37% | 1,760 | 54,051 | 16 Jun 2026 | Direct | ||
| Dick Fagerstal | TDW | Common Stock, $0.001 par value | Award | 2.38% | 1,760 | 75,592 | 16 Jun 2026 | Direct | ||
| Kenneth Traub | TDW | Common Stock, $0.001 par value | Award | 2.45% | 1,760 | 73,521 | 16 Jun 2026 | Direct | ||
| Robert E. Robotti | TDW | Common Stock, $0.001 Par Value Per Share | Award | 0.08% | 1,760 | 2,214,941 | 16 Jun 2026 | See Footnote | ||
| Robert E. Robotti | TDW | Common Stock, $0.001 Par Value Per Share | Gift | -0.76% | -16,932 | 2,213,181 | 12 Jun 2026 | See Footnote | ||
| Melissa Cougle | TDW | Common Stock, $0.001 par value | Award | 1.53% | 374 | 24,781 | 01 Apr 2026 | Direct | ||
| Robert E. Robotti | TDW | Common Stock, $0.001 Par Value Per Share | Award | 0.02% | 374 | 2,230,113 | 01 Apr 2026 | See Footnote | ||
| Samuel R. Rubio | TDW | Common Stock, par value $0.001 | Tax liability | -6.62% | -4,789 | 67,569 | 23 Mar 2026 | Direct | ||
| Quintin Kneen | TDW | Common Stock, $0.001 par value | Tax liability | -3.8% | -14,193 | 358,870 | 23 Mar 2026 | Direct | ||
| Daniel A. Hudson | TDW | Common Stock, $0.001 par value | Tax liability | -7.19% | -4,123 | 53,229 | 23 Mar 2026 | Direct | ||
| Piers Dayer Middleton | TDW | Common Stock, par value $0.001 | Tax liability | -8.52% | -2,734 | 29,351 | 23 Mar 2026 | Direct | ||
| Piers Dayer Middleton | TDW | Common Stock, par value $0.001 | Award | 26.1% | 6,643 | 32,085 | 18 Mar 2026 | Direct | ||
| Samuel R. Rubio | TDW | Common Stock, par value $0.001 | Tax liability | -5.43% | -3,771 | 65,715 | 18 Mar 2026 | Direct | ||
| Samuel R. Rubio | TDW | Common Stock, par value $0.001 | Award | 28.5% | 16,063 | 72,358 | 18 Mar 2026 | Direct | ||
| Quintin Kneen | TDW | Common Stock, $0.001 par value | Tax liability | -6.95% | -25,965 | 347,488 | 18 Mar 2026 | Direct | ||
| Quintin Kneen | TDW | Common Stock, $0.001 par value | Award | 32.5% | 91,513 | 373,453 | 18 Mar 2026 | Direct | ||
| Daniel A. Hudson | TDW | Common Stock, $0.001 par value | Tax liability | -6.05% | -3,267 | 50,709 | 18 Mar 2026 | Direct | ||
| Daniel A. Hudson | TDW | Common Stock, $0.001 par value | Award | 34.3% | 14,648 | 57,352 | 18 Mar 2026 | Direct | ||
| Robert E. Robotti | TDW | Common Stock, $0.001 Par Value Per Share | Gift | -0.45% | -10,000 | 2,229,739 | 17 Mar 2026 | See Footnote | ||
| Samuel R. Rubio | TDW | Common Stock, par value $0.001 | Sale | -27.2% | $1,798,003 | $80.05 | -22,461 | 60,066 | 05 Mar 2026 | Direct |
| Daniel A. Hudson | TDW | Common Stock, $0.001 par value | Sale | -10.2% | $418,509 | $80.56 | -5,195 | 45,971 | 05 Mar 2026 | Direct |
| Daniel A. Hudson | TDW | Common Stock, $0.001 par value | Sale | -22.7% | $1,162,500 | $77.50 | -15,000 | 50,986 | 23 Feb 2026 | Direct |
| Daniel A. Hudson | TDW | Common Stock, $0.001 par value | Sale | -13.2% | $700,093 | $70.01 | -10,000 | 65,986 | 11 Feb 2026 | Direct |
| Piers Dayer Middleton | TDW | Common Stock, par value $0.001 | Tax liability | -7.47% | -2,053 | 25,442 | 02 Jan 2026 | Direct | ||
| Melissa Cougle | TDW | Common Stock, $0.001 par value | Award | 2.51% | 598 | 24,407 | 02 Jan 2026 | Direct | ||
| Robert E. Robotti | TDW | Common Stock, $0.001 Par Value Per Share | Award | 0.03% | 598 | 2,239,739 | 02 Jan 2026 | See Footnote | ||
| Robert E. Robotti | TDW | Common Stock, $0.001 Par Value Per Share | Award | 0.03% | 570 | 2,239,141 | 01 Oct 2025 | See Footnote | ||
| Melissa Cougle | TDW | Common Stock, $0.001 par value | Award | 2.45% | 570 | 23,809 | 01 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.