Comparable stake leader
VANGUARD PORTFOLIO MANAGEMENT LLC
SEC ownership of IDACORP INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001057877.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Jun 2026
- Public ticker
- IDA on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD PORTFOLIO MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD PORTFOLIO MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001057877
- Issuer location
- Boise, ID
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 IDACORP 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
VANGUARD PORTFOLIO MANAGE...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.9%
13D/G row: VANGUARD PORTFOLIO MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD PORTFOLIO MANAGEMENT LLC leads the comparable SEC ownership view at 5.9%.
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 VANGUARD PORTFOLIO MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
VANGUARD PORTFOLIO MANAGEMENT LLC
5.9%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
WELLINGTON MANAGEMENT GROUP LLP
5.2%
Dennis L. Johnson
0.03%
Annette G. Elg
0.02%
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 |
|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.9%
|
$466,255,806
3,261,212 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$411,189,585
2,876,053 shares
|
$0 | 31 Mar 2026 |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
5.2%
|
$417,895,743
2,856,235 shares
|
-$83,209,570 | 31 Mar 2026 |
| Dennis L. Johnson |
3/4/5
Director
|
0.03%
|
$2,540,746
17,970 shares
|
— | 01 Mar 2026 |
| Annette G. Elg |
3/4/5
Director
|
0.02%
|
$1,448,545
10,245 shares
|
— | 01 Mar 2026 |
| Odette C. Bolano |
3/4/5
Director
|
0.01%
|
$1,106,942
7,829 shares
|
— | 01 Mar 2026 |
| Peters Mark T. |
3/4/5
Director
|
0.01%
|
$1,042,185
7,371 shares
|
— | 01 Mar 2026 |
| Susan Morris |
3/4/5
Director
|
0.01%
|
$666,871
4,717 shares
|
— | 01 Mar 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: -$963,464.
Buys
$0
Insiders: 0
Sells
$963,464
Insiders: 5
Net
-$963,464
Shares: -6,779
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 6,779
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 3,000 | $0 | $424,463 | -$424,463 |
| 3-6 | 0 | 3,779 | $0 | $539,001 | -$539,001 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 30 reporting-owner rows connected to IDACORP INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
30
Largest Forms 3/4/5 holder
Darrel T. Anderson
Net 12M change
-$963,463
Latest report
10 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Darrel T. Anderson | Director | $12,568,960 | Mixed | 01 Mar 2022 | ||
| Lisa A. Grow | President & CEO, Director | $6,129,868 | Mixed | 20 Feb 2026 | ||
| Brian R. Buckham | EVP, CFO, and Treasurer | $3,994,917 | Mixed | 20 Feb 2026 | ||
| Steven R. Keen | Svp & Cfo | $3,427,844 | Mixed | 18 Feb 2022 | ||
| Judi Johansen | Director | $3,277,332 | Mixed | 01 Mar 2025 | ||
| Jeffrey L. Malmen | SVP of Public Affairs | $2,958,611 | Mixed | 20 Feb 2026 | ||
| Adam J. Richins | EVP and COO (IPC) | $2,944,595 | -$213,045 | -6.7% | Mixed | 10 Jun 2026 |
| Dennis L. Johnson | Director | $2,540,746 | Mixed | 01 Mar 2026 | ||
| Ron W. Jibson | Director | $1,821,298 | Mixed | 01 Mar 2025 | ||
| Richard J. Navarro | Director | $1,757,269 | Mixed | 01 Mar 2025 | ||
| Kenneth W. Petersen | VP, CAO & Treasurer | $1,740,354 | Mixed | 17 Feb 2023 | ||
| Patrick A. Harrington | VP, GC, & Corp Sec | $1,510,173 | Mixed | 17 Feb 2023 | ||
| Annette G. Elg | Director | $1,448,545 | Mixed | 01 Mar 2026 | ||
| Thomas E. Carlile | Director | $1,375,058 | Mixed | 01 Mar 2023 | ||
| Odette C. Bolano | Director | $1,106,942 | Mixed | 01 Mar 2026 | ||
| Richard J. Dahl | Director | $1,101,371 | Mixed | 01 Mar 2024 | ||
| Peters Mark T. | Director | $1,042,185 | Mixed | 01 Mar 2026 | ||
| Sarah E. Griffin | VP of Human Resources (IPC) | $865,410 | Mixed | 20 Feb 2026 | ||
| Ryan Adelman | VP of Power Supply (IPC) | $830,909 | Mixed | 20 Feb 2026 | ||
| Susan Morris | Director | $666,871 | Mixed | 01 Mar 2026 |
Recent insider transactions for IDACORP 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Adam J. Richins | IDA | Common Stock | Sale | -7.48% | $213,045 | $142.03 | -1,500 | 18,550 | 10 Jun 2026 | Direct |
| Sharon L. Miller | IDA | Common Stock | Award | 689 | 689 | 01 Jun 2026 | Direct | |||
| James Bo D. Hanchey | IDA | Common Stock | Sale | -41.2% | $211,418 | $140.95 | -1,500 | 2,138 | 29 May 2026 | Direct |
| Timothy E. Tatum | IDA | Common Stock | Sale | -99.8% | $210,772 | $142.51 | -1,479 | 2 | 03 Mar 2026 | Direct |
| Susan Morris | IDA | Common Stock | Award | 27.2% | 1,007 | 4,717 | 01 Mar 2026 | Direct | ||
| Peters Mark T. | IDA | Common Stock | Award | 15.8% | 1,007 | 7,371 | 01 Mar 2026 | Direct | ||
| Annette G. Elg | IDA | Common Stock | Award | 10.9% | 1,007 | 10,245 | 01 Mar 2026 | Direct | ||
| Scott W. Madison | IDA | Common Stock | Award | 82.6% | 1,007 | 2,226 | 01 Mar 2026 | Direct | ||
| Michael J. Kennedy | IDA | Common Stock | Award | 125.9% | 1,007 | 1,807 | 01 Mar 2026 | Direct | ||
| Nate Jorgensen | IDA | Common Stock | Award | 28.4% | 1,007 | 4,550 | 01 Mar 2026 | Direct | ||
| Odette C. Bolano | IDA | Common Stock | Award | 14.8% | 1,007 | 7,829 | 01 Mar 2026 | Direct | ||
| Dennis L. Johnson | IDA | Common Stock | Award | 5.94% | 1,007 | 17,970 | 01 Mar 2026 | Direct | ||
| Julia A. Hilton | IDA | Common Stock | Sale | -30.2% | $142,789 | $142.79 | -1,000 | 2,313 | 23 Feb 2026 | Direct |
| Mitchel D. Colburn | IDA | Common Stock | Sale | -34.9% | $185,439 | $142.65 | -1,300 | 2,428 | 23 Feb 2026 | Direct |
| Amy I. Shaw | IDA | Common Stock | Tax liability | -20.4% | -258 | 1,008 | 20 Feb 2026 | Direct | ||
| Amy I. Shaw | IDA | Common Stock | Award | 68.6% | 515 | 1,266 | 20 Feb 2026 | Direct | ||
| Amy I. Shaw | IDA | Restricted Stock Units | Award | 437 | 437 | 20 Feb 2026 | Direct | |||
| Julia A. Hilton | IDA | Common Stock | Tax liability | -8.68% | -315 | 3,313 | 20 Feb 2026 | Direct | ||
| Julia A. Hilton | IDA | Common Stock | Award | 21% | 629 | 3,628 | 20 Feb 2026 | Direct | ||
| Julia A. Hilton | IDA | Restricted Stock Units | Award | 566 | 566 | 20 Feb 2026 | Direct | |||
| Timothy E. Tatum | IDA | Common Stock | Tax liability | -38.1% | -911 | 1,479 | 20 Feb 2026 | Direct | ||
| Timothy E. Tatum | IDA | Common Stock | Award | 544.2% | 2,019 | 2,390 | 20 Feb 2026 | Direct | ||
| Timothy E. Tatum | IDA | Restricted Stock Units | Award | 588 | 588 | 20 Feb 2026 | Direct | |||
| Jeffrey L. Malmen | IDA | Common Stock | Tax liability | -10% | -2,215 | 19,854 | 20 Feb 2026 | Direct | ||
| Jeffrey L. Malmen | IDA | Common Stock | Award | 29% | 4,957 | 22,069 | 20 Feb 2026 | Direct | ||
| Jeffrey L. Malmen | IDA | Restricted Stock Units | Award | 1,354 | 1,354 | 20 Feb 2026 | Direct | |||
| Mitchel D. Colburn | IDA | Common Stock | Tax liability | -15.1% | -665 | 3,728 | 20 Feb 2026 | Direct | ||
| Mitchel D. Colburn | IDA | Common Stock | Award | 58.9% | 1,629 | 4,393 | 20 Feb 2026 | Direct | ||
| Mitchel D. Colburn | IDA | Restricted Stock Units | Award | 557 | 557 | 20 Feb 2026 | Direct | |||
| Adam J. Richins | IDA | Common Stock | Tax liability | -14.5% | -3,406 | 20,050 | 20 Feb 2026 | Direct | ||
| Adam J. Richins | IDA | Common Stock | Award | 48.2% | 7,625 | 23,456 | 20 Feb 2026 | Direct | ||
| Adam J. Richins | IDA | Restricted Stock Units | Award | 2,486 | 2,486 | 20 Feb 2026 | Direct | |||
| James Bo D. Hanchey | IDA | Common Stock | Tax liability | -17.4% | -765 | 3,638 | 20 Feb 2026 | Direct | ||
| James Bo D. Hanchey | IDA | Common Stock | Award | 61% | 1,668 | 4,403 | 20 Feb 2026 | Direct | ||
| James Bo D. Hanchey | IDA | Restricted Stock Units | Award | 449 | 449 | 20 Feb 2026 | Direct | |||
| Lisa A. Grow | IDA | Common Stock | Tax liability | -24.2% | -11,609 | 36,312 | 20 Feb 2026 | Direct | ||
| Lisa A. Grow | IDA | Common Stock | Award | 118.6% | 25,998 | 47,921 | 20 Feb 2026 | Direct | ||
| Lisa A. Grow | IDA | Restricted Stock Units | Award | 8,258 | 8,258 | 20 Feb 2026 | Direct | |||
| Sarah E. Griffin | IDA | Common Stock | Tax liability | -11.7% | -749 | 5,659 | 20 Feb 2026 | Direct | ||
| Sarah E. Griffin | IDA | Common Stock | Award | 40.6% | 1,850 | 6,408 | 20 Feb 2026 | Direct | ||
| Sarah E. Griffin | IDA | Restricted Stock Units | Award | 553 | 553 | 20 Feb 2026 | Direct | |||
| Brian R. Buckham | IDA | Common Stock | Tax liability | -11.1% | -3,309 | 26,413 | 20 Feb 2026 | Direct | ||
| Brian R. Buckham | IDA | Common Stock | Award | 33.2% | 7,410 | 29,722 | 20 Feb 2026 | Direct | ||
| Brian R. Buckham | IDA | Restricted Stock Units | Award | 2,402 | 2,402 | 20 Feb 2026 | Direct | |||
| Ryan Adelman | IDA | Common Stock | Tax liability | -13% | -814 | 5,424 | 20 Feb 2026 | Direct | ||
| Ryan Adelman | IDA | Common Stock | Award | 40.2% | 1,788 | 6,238 | 20 Feb 2026 | Direct | ||
| Ryan Adelman | IDA | Restricted Stock Units | Award | 570 | 570 | 20 Feb 2026 | Direct | |||
| James Bo D. Hanchey | IDA | Common Stock | Tax liability | -8.59% | -257 | 2,735 | 02 Jan 2026 | Direct | ||
| Lisa A. Grow | IDA | Common Stock | Tax liability | -14.2% | -3,641 | 21,923 | 02 Jan 2026 | Direct | ||
| Brian R. Buckham | IDA | Common Stock | Tax liability | -4.67% | -1,092 | 22,312 | 02 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.