Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000727273.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
Heerema International Group Services SA
Comparable rows
3/50
Latest evidence
01 Oct 2026
Ownership snapshot
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.
Quick read
3 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
6%
Reported 13D/G
· 30 Jun 2026
|
$21,465,980
5,135,402 shares
|
— | 30 Jun 2026 |
| BANK OF AMERICA CORP /DE/ |
13D/G
13F
Company
|
5.9%
Reported 13D/G
· 30 Sep 2026
|
$19,443,208
4,960,002 shares
|
$0 | 30 Sep 2026 |
| 272 Capital LP |
13D/G
|
1.4%
Reported 13D/G
· 31 Dec 2024
|
$3,013,500
1,050,000 shares
|
$0 | 31 Dec 2024 |
| Heerema International Group Services SA |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$76,098,443
23,783,965 shares
mixed-class rows
|
— | 05 Nov 2024 |
| LEVIN CAPITAL STRATEGIES, L.P. |
13F
Company
|
—
denominator unverified
|
$18,795,700
4,496,579 shares
|
— | 30 Jun 2026 |
| Whitefort Capital Management, LP |
13F
Company
|
—
denominator unverified
|
$16,664,916
3,986,822 shares
|
— | 30 Jun 2026 |
| BARCLAYS PLC |
13F
Company
|
—
denominator unverified
|
$14,501,870
3,469,347 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$10,339,573
2,473,582 shares
|
— | 30 Jun 2026 |
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
Net insider flow leans to buying over the last 12 months. Net value: +$496,937.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 110,865 | 2,500 | $507,762 | $10,825 | +$496,937 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-18 of 18 reporting-owner rows connected to CADIZ INC. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Heerema International Group Services SA | 10%+ Owner | $76,098,443 | Filing P/S | 05 Nov 2024 | ||
| Susan P. Kennedy | Chief Executive Officer, Director | $7,473,982 | Mixed | 08 Apr 2026 | ||
| Keith Brackpool | Director | $5,432,926 | Mixed | 03 Apr 2023 | ||
| Jacinto J. Hernandez | Chief Financial Officer | $3,344,000 | Mixed | 09 Sep 2026 | ||
| Geoffrey T. Grant | Director | $1,549,163 | Mixed | 03 Apr 2023 | ||
| Stanley E. Speer | Chief Financial Officer | $1,459,669 | Mixed | 08 Apr 2026 | ||
| Winston H. Hickox | Director | $1,325,370 | Mixed | 30 Jun 2026 | ||
| Cathryn Rivera | Chief Operating Officer | $1,269,975 | -$10,825 | -0.85% | Mixed | 20 May 2026 |
| Maria S. Dreyfus | Director | $842,370 | Mixed | 01 Oct 2026 | ||
| Scott S. Slater | Chief Executive Officer, Director | $586,872 | Mixed | 13 Jul 2023 | ||
| David Mark O'Hara | Director | $544,699 | +$507,762 | +1375% | Mixed | 01 Oct 2026 |
| Stephen E. Courter | Director | $400,616 | Mixed | 30 Jun 2026 | ||
| Maria Echaveste | Director | $224,534 | Mixed | 30 Jun 2026 | ||
| Kenneth T. Lombard | Director | $152,160 | Mixed | 30 Jun 2026 | ||
| Richard Garcia Polanco | Director | $138,241 | Mixed | 30 Jun 2026 | ||
| Barbara A. Lloyd | Director | $128,447 | Mixed | 01 Oct 2026 | ||
| Carolyn D. Webb de Macias | Director | $103,420 | Mixed | 01 Jul 2024 | ||
| Odey Asset Management LLP | 10%+ Owner | Mixed | 12 Jun 2023 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| David Mark O'Hara | CDZI | Common STock | Award | 3.95% | 4,954 | 130,311 | 01 Oct 2026 | Direct | ||
| Maria S. Dreyfus | cdzi | Common STock | Award | 2.52% | 4,954 | 201,524 | 01 Oct 2026 | Direct | ||
| Barbara A. Lloyd | CDZI | Common STock | Award | 4.2% | 1,238 | 30,729 | 01 Oct 2026 | Direct | ||
| Jacinto J. Hernandez | CDZI | Common Stock | Award | 800,000 | 800,000 | 09 Sep 2026 | Direct | |||
| Jacinto J. Hernandez | CDZI | Performance Rights | Award | 800,000 | 800,000 | 09 Sep 2026 | Direct | |||
| Barbara A. Lloyd | CDZI | Common Stock | Award | 3.93% | 1,116 | 29,491 | 01 Jul 2026 | Direct | ||
| David Mark O'Hara | CDZI | Common Stock | Award | 3.69% | 4,464 | 125,357 | 01 Jul 2026 | Direct | ||
| Maria S. Dreyfus | CDZI | Common Stock | Award | 2.32% | 4,464 | 196,570 | 01 Jul 2026 | Direct | ||
| Barbara A. Lloyd | CDZI | Common Stock | Award | 27.4% | 6,103 | 28,375 | 30 Jun 2026 | Direct | ||
| David Mark O'Hara | CDZI | Common Stock | Award | 2.59% | 3,052 | 120,893 | 30 Jun 2026 | Direct | ||
| Maria S. Dreyfus | CDZI | Common Stock | Award | 3.28% | 6,103 | 192,106 | 30 Jun 2026 | Direct | ||
| Richard Garcia Polanco | CDZI | Common Stock | Award | 27.7% | 6,103 | 28,155 | 30 Jun 2026 | Direct | ||
| Kenneth T. Lombard | CDZI | Common Stock | Award | 24.5% | 6,103 | 30,990 | 30 Jun 2026 | Direct | ||
| Maria Echaveste | CDZI | Common Stock | Award | 15.4% | 6,103 | 45,730 | 30 Jun 2026 | Direct | ||
| Stephen E. Courter | CDZI | Common Stock | Award | 8.08% | 6,103 | 81,592 | 30 Jun 2026 | Direct | ||
| Winston H. Hickox | CDZI | Common Stock | Award | 3.16% | 6,103 | 199,174 | 30 Jun 2026 | Direct | ||
| David Mark O'Hara | CDZI | Common Stock | Purchase | 1589.2% | $507,762 | $4.58 | 110,865 | 117,841 | 26 May 2026 | Direct |
| Cathryn Rivera | CDZI | Common Stock | Sale | -1.69% | -$10,825 | $4.33 | -2,500 | 145,000 | 20 May 2026 | Direct |
| Cathryn Rivera | CDZI | Common Stock | Award | 7.27% | 10,000 | 147,500 | 08 Apr 2026 | Direct | ||
| Stanley E. Speer | CDZI | Common Stock | Award | 9.69% | 25,075 | 283,860 | 08 Apr 2026 | Direct | ||
| Susan P. Kennedy | CDZI | Common Stock | Award | 12.5% | 125,000 | 1,121,921 | 08 Apr 2026 | Direct | ||
| Susan P. Kennedy | CDZI | Restricted Stock Units | Disposed to Issuer | -25.5% | -150,500 | 439,500 | 08 Apr 2026 | Direct | ||
| Barbara A. Lloyd | CDZI | Common Stock | Award | 4.34% | 927 | 22,272 | 01 Apr 2026 | Direct | ||
| Maria S. Dreyfus | CDZI | Common Stock | Award | 2.03% | 3,709 | 186,003 | 01 Apr 2026 | Direct | ||
| David Mark O'Hara | CDZI | Common Stock | Award | 6,976 | 6,976 | 01 Apr 2026 | Direct | |||
| Barbara A. Lloyd | CDZI | Common Stock | Award | 3.98% | 817 | 21,345 | 02 Jan 2026 | Direct | ||
| Maria S. Dreyfus | CDZI | Common Stock | Award | 1.82% | 3,267 | 182,294 | 02 Jan 2026 | Direct |