Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in IDA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.5M | $928.4M | -1.9% | 11.720% | 0.02% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.3M | $465.0M | — | 5.869% | 0.02% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | 2.9M | $408.4M | -5.4% | 5.155% | 0.08% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.4M | $349.4M | — | 4.410% | 0.01% |
| 5 | MORGAN STANLEY | 2.2M | $311.4M | +3.5% | 3.930% | 0.02% |
| 6 | STATE STREET CORP | 1.9M | $275.1M | +1.9% | 3.473% | 0.01% |
| 7 | REAVES W H & CO INC | 1.8M | $257.4M | -0.4% | 3.250% | 4.27% |
| 8 | JENNISON ASSOCIATES LLC | 1.5M | $214.1M | +0.9% | 2.702% | 0.15% |
| 9 | FMR LLC | 1.4M | $206.1M | +53.9% | 2.602% | 0.01% |
| 10 | TWO SIGMA INVESTMENTS, LP | 1.4M | $193.1M | +152.9% | 2.437% | 0.16% |
| 11 | Neuberger Berman Group LLC | 1.3M | $187.8M | +1.1% | 2.370% | 0.14% |
| 12 | Capital World Investors | 1.2M | $169.7M | — | 2.142% | 0.02% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $158.6M | +0.6% | 2.001% | 0.01% |
| 14 | ALLIANCEBERNSTEIN L.P. | 1.2M | $151.9M | -10.3% | 2.166% | 0.05% |
| 15 | Pictet Asset Management Holding SA | 771K | $110.2M | -1.2% | 1.391% | 0.12% |
| 16 | DIMENSIONAL FUND ADVISORS LP | 743K | $106.2M | -0.4% | 1.340% | 0.02% |
| 17 | Zimmer Partners, LP | 724K | $103.5M | -9.6% | 1.306% | 2.51% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 670K | $95.8M | +3.2% | 1.209% | 0.01% |
| 19 | VICTORY CAPITAL MANAGEMENT INC | 668K | $95.5M | -15.0% | 1.205% | 0.06% |
| 20 | SOROS FUND MANAGEMENT LLC | 577K | $82.5M | -1.3% | 1.042% | 0.97% |
| 21 | Invesco Ltd. | 521K | $74.5M | -18.0% | 0.941% | 0.01% |
| 22 | Bank of New York Mellon Corp | 489K | $69.9M | -0.1% | 0.883% | 0.01% |
| 23 | Boston Trust Walden Corp | 480K | $68.6M | -9.0% | 0.866% | 0.56% |
| 24 | Life Cycle Investment Partners Ltd | 463K | $66.2M | +50.9% | 0.835% | 0.42% |
| 25 | FIRST TRUST ADVISORS LP | 463K | $66.2M | -25.9% | 0.835% | 0.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in IDA — a direct measure of their conviction.
Filings activity in IDA during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 534 | +4.5% | 95.04% | +12.18 pp | $7.53B | +15% |
| Q4 2025 | 511 | +6.7% | 82.86% | 0.53 pp | $6.56B | 0.6% |
| Q3 2025 | 479 | +1.9% | 83.39% | +10.55 pp | $6.61B | +14% |
| Q2 2025 | 470 | +5.1% | 72.84% | +9.64 pp | $5.77B | +15% |
| Q1 2025 | 447 | +1.8% | 63.20% | +6.69 pp | $5.01B | +12% |
| Q4 2024 | 439 | +3.3% | 56.51% | +3.97 pp | $4.48B | +7.6% |
| Q3 2024 | 425 | +8.4% | 52.54% | 23.74 pp | $4.16B | 31% |
| Q2 2024 | 392 | — | 76.28% | — | $6.04B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying IDA stock.
Based on Q1 2026 13F filings, institutional ownership of IDACORP, Inc. stands at 95.0%, held across 534 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of IDA, with approximately 6,493,979 shares worth $0.93B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of IDA, including TWO SIGMA INVESTMENTS, LP, SOROS FUND MANAGEMENT LLC.
Our composite Smart Money Score for IDA is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
81 institutions opened new positions in IDA during Q1 2026, while 58 fully exited. 388 added to existing positions and 61 trimmed.
IDA institutional ownership rose by 12.18 percentage points quarter-over-quarter, with a net change of +23 holders.
The top 10 institutions account for 47.9% of all reported 13F value in IDA, and the top 25 account for 69.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
IDACORP, Inc. (IDA) Institutional Ownership