IDACORP, Inc. (IDA) Ownership
IDA ownership summary
as of October 18, 2026- Institutions
- 107.2% of shares outstanding
- Insiders
- 0.29% of shares outstanding
- Shares outstanding
- 57.8M
- Float
- 57.6M shares available to trade
- Short interest
- 13.78% 6.3M shares short
- Days to cover
- 10.50 short interest up 35.2% vs prior month
- Institutions 107.23%
- Insiders 0.29%
IDA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 11.81% | 6.8M | $945.1M | +339,560 (+5.2%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 5.69% | 3.3M | $455.3M | +40,211 (+1.2%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 4.31% | 2.5M | $345.1M | +51,651 (+2.1%) | June 30, 2026 |
| 4 | Wellington Management Company LLP | 4.24% | 2.5M | $339.2M | −403,945 (−14.1%) | June 30, 2026 |
| 5 | FMR Inc | 3.82% | 2.2M | $305.3M | +765,867 (+53.1%) | June 30, 2026 |
| 6 | Morgan Stanley - Brokerage Accounts | 3.81% | 2.2M | $305.1M | +28,180 (+1.3%) | June 30, 2026 |
| 7 | T. Rowe Price Investment Management,Inc. | 3.52% | 2.0M | $281.9M | +85,349 (+4.4%) | June 30, 2026 |
| 8 | Capital World Investors | 3.39% | 2.0M | $271.5M | +776,365 (+65.4%) | June 30, 2026 |
| 9 | State Street Corp | 3.32% | 1.9M | $265.7M | −2,946 (−0.2%) | June 30, 2026 |
| 10 | Reaves W H & Co Inc | 3.06% | 1.8M | $244.8M | −30,413 (−1.7%) | June 30, 2026 |
| 11 | Pictet Asset Manangement SA | 2.96% | 1.7M | $236.8M | +941,476 (+122.1%) | June 30, 2026 |
| 12 | Two Sigma Investments LLC | 2.49% | 1.4M | $199.1M | +89,348 (+6.6%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 2.29% | 1.3M | $183.0M | +214,578 (+19.4%) | June 30, 2026 |
| 14 | Jennison Associates LLC | 2.05% | 1.2M | $164.2M | −309,970 (−20.7%) | June 30, 2026 |
| 15 | AllianceBernstein L.P. | 1.92% | 1.1M | $153.6M | −89,534 (−7.5%) | June 30, 2026 |
| 16 | Citadel Advisors Llc | 1.56% | 900K | $124.5M | +738,258 (+455.4%) | June 30, 2026 |
| 17 | Neuberger Berman Group LLC | 1.53% | 883K | $122.2M | −430,208 (−32.8%) | June 30, 2026 |
| 18 | Amvescap Plc. | 1.45% | 839K | $116.1M | +318,348 (+61.1%) | June 30, 2026 |
| 19 | Anchor Capital Advisors Inc | 1.37% | 791K | $109.4M | +377,820 (+91.4%) | June 30, 2026 |
| 20 | Dimensional Fund Advisors, Inc. | 1.31% | 760K | $105.1M | +17,008 (+2.3%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 4.8M shares and 6 cut 1.3M.
IDA top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | American Funds SMALLCAP World A | 4.97% | 2.9M | $397.9M | +492,604 (+20.7%) | September 30, 2026 |
| 2 | iShares Core S&P Mid-Cap ETF | 3.56% | 2.1M | $284.9M | −732 (−0.0%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.05% | 1.8M | $243.7M | −1,911 (−0.1%) | August 31, 2026 |
| 4 | Vanguard Small Cap Index | 2.25% | 1.3M | $180.0M | +26,615 (+2.1%) | September 30, 2026 |
| 5 | Reaves Utility Income | 2.18% | 1.3M | $174.5M | −25,000 (−1.9%) | June 30, 2026 |
| 6 | iShares Select Dividend ETF | 1.81% | 1.0M | $145.2M | −360 (−0.0%) | September 30, 2026 |
| 7 | Vanguard MStar Small Cap Value Index | 1.46% | 847K | $117.2M | +37,668 (+4.7%) | September 30, 2026 |
| 8 | Pictet-Water I EUR | 1.34% | 772K | $106.8M | +772,234 (0.0%) | June 30, 2026 |
| 9 | Pictet Glbl Sel Fd Glbl Utilities Eq P | 1.26% | 726K | $100.4M | −9,096 (−1.2%) | May 31, 2026 |
| 10 | Vanguard Explorer Inv | 0.91% | 528K | $73.0M | −223,267 (−29.7%) | June 30, 2026 |
| 11 | T. Rowe Price Small-Cap Value | 0.77% | 444K | $61.3M | −14,200 (−3.1%) | September 30, 2026 |
| 12 | Neuberger Genesis Inv | 0.76% | 439K | $60.7M | −78,820 (−15.2%) | September 30, 2026 |
| 13 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.74% | 428K | $59.1M | +22,474 (+5.5%) | September 30, 2026 |
| 14 | Victory Sycamore Small Company Opp R | 0.72% | 415K | $57.4M | −35,000 (−7.8%) | June 30, 2026 |
| 15 | Virtus Reaves Utilities ETF | 0.70% | 405K | $56.0M | — | September 30, 2026 |
| 16 | Fidelity Select Utilities | 0.69% | 396K | $54.8M | — | August 31, 2026 |
| 17 | T. Rowe Price Small-Cap Stock | 0.68% | 396K | $54.7M | −8,477 (−2.1%) | September 30, 2026 |
| 18 | Vanguard Utilities ETF | 0.66% | 381K | $52.7M | −952 (−0.2%) | September 30, 2026 |
| 19 | CT (Lux) American Smaller Com 9U USD | 0.60% | 345K | $47.8M | −9,952 (−2.8%) | September 30, 2026 |
| 20 | Fidelity Small Cap Value Fund | 0.59% | 343K | $47.4M | +27,400 (+8.7%) | July 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
IDA insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-03 | Gilbert Ray Cisneros, Jr. | Buy | $143.73 | — | — |
| 2026-02-23 | Julia A Hilton | Sell | $142.79 | 1,000 | $142,790 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
IDA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns IDA
Institutional investors own 107.2% of IDACORP's shares and insiders 0.29%. The largest holder is BlackRock Inc with 11.81% of the shares (6.8M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 6 reduced their stake in the latest filings. Short interest is 13.78% of the float, or 10.50 days of average trading volume. The share count rose 9.1% since 2014.
Related: IDA analyst forecast, IDA key metrics, IDA dividend history. See the IDA stock overview for the latest quote and news.
IDA ownership FAQ
Who owns the most IDACORP stock?
The largest shareholders of IDACORP are BlackRock Inc (11.81%), Vanguard Portfolio Management, LLC (5.69%), Vanguard Capital Management, LLC (4.31%), Wellington Management Company LLP (4.24%), FMR Inc (3.82%).
What percentage of IDACORP is owned by institutions?
Institutions hold 107.2% of IDACORP's shares outstanding; insiders hold 0.29%.
Which funds own IDACORP?
The largest fund holders of IDACORP are American Funds SMALLCAP World A (4.97%), iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.05%), Vanguard Small Cap Index (2.25%), Reaves Utility Income (2.18%).
What is IDACORP's short interest?
6.3M shares of IDACORP were sold short, 13.78% of the float; at the average daily volume it would take 10.50 days to cover.
Are insiders buying or selling IDACORP?
Of the latest 2 reported insider transactions in IDACORP (since February 23, 2026), 1 were purchases and 1 were sales.
How many shares of IDACORP are outstanding?
IDACORP has 57.8M shares outstanding, of which 57.6M are in the public float.
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