IDA in the 13F filings

Idacorp Inc · CUSIP 451107106

Sector · Utilities Theme · Electric utilities Theme · Energy and power infrastructure· L3VLUP-defined

Quarter

Q3 2026 · early filers Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024 Q4 2023

Quarter end: 30 Jun 2026; the date the book describes
Filed: 27 Oct 2026; latest of these filings; the earliest 5 Aug 2026
Managers listing it: 35; at least, of 95 tracked, among listed positions
Comparable managers: 91; filed both Q1 2026 and Q2 2026; 16 listed it in both
Shares listed: 14,587,048; combined, among listed positions
Reported value: $2.2bn; combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 19 buyers (opened or added shares) and 13 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +2,280,964.

Managers listing IDA in Q2 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q1 2026, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

ActionShare of book at least

35 of 35 holders

				Action		Filing
Wellington Management Group LLP	2,452,290	$371m	0.06%	Trimmed	-403,945	14 Aug 2026 (the filing on sec.gov)
Fidelity (FMR LLC)	2,207,405	$334m	under 0.1%	Added	+765,867	13 Aug 2026 (the filing on sec.gov)
Capital World Investors	1,963,165	$297m	under 0.1%	Added	+776,365	12 Aug 2026 (the filing on sec.gov)
Two Sigma Investments LP	1,439,828	$218m	0.16%	Added	+89,348	14 Aug 2026 (the filing on sec.gov)
AllianceBernstein LP	1,110,367	$159m	0.05%	Trimmed	-89,534	14 Aug 2026 (the filing on sec.gov)
Citadel Advisors LLC	900,382	$136m	under 0.1%	Added	+738,258	2 Sep 2026 (the filing on sec.gov)
Neuberger Berman Group LLC	883,246	$134m	0.09%	Trimmed	-430,208	27 Oct 2026 (the filing on sec.gov)
Invesco Ltd	839,489	$127m	under 0.1%	Added	+318,348	14 Aug 2026 (the filing on sec.gov)
Soros Fund Management LLC	546,085	$83m	1.01%	Trimmed	-31,205	14 Aug 2026 (the filing on sec.gov)
Capital Research Global Investors	513,723	$78m	under 0.1%	Added	+53,723	12 Aug 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc	384,802	$58m	under 0.1%	Added	+256,534	14 Aug 2026 (the filing on sec.gov)
Squarepoint Ops LLC	317,135	$48m	0.05%	Trimmed	-61,747	14 Aug 2026 (the filing on sec.gov)
AQR Capital Management LLC	251,905	$38m	under 0.1%	Added	+190,599	14 Aug 2026 (the filing on sec.gov)
Point72 Asset Management LP	162,781	$25m	under 0.1%	Added	+73,821	14 Aug 2026 (the filing on sec.gov)
Bridgewater Associates LP	109,136	$17m	0.07%	Added	+13,593	14 Aug 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC	78,307	$12m	under 0.1%	Added	+18,533	14 Aug 2026 (the filing on sec.gov)
D. E. Shaw & Co.	65,573	$9.9m	under 0.1%	Added	+32,946	14 Aug 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP	63,397	$9.6m	0.06%	New	new	14 Aug 2026 (the filing on sec.gov)
Millennium Management LLC	53,700	$8.1m	under 0.1%	Added	+28,633	14 Aug 2026 (the filing on sec.gov)
First Eagle Investment Management LLC	41,508	$6.3m	under 0.1%	Trimmed	-65	5 Aug 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP	36,794	$5.6m	under 0.1%	Added	+2,044	14 Aug 2026 (the filing on sec.gov)
PDT Partners LLC	29,441	$4.5m	0.23%	New	new	14 Aug 2026 (the filing on sec.gov)
Verition Fund Management LLC	26,671	$4.0m	under 0.1%	New	new	14 Aug 2026 (the filing on sec.gov)
Janus Henderson Group Ltd	24,657	$3.7m	under 0.1%	Held	0	14 Aug 2026 (the filing on sec.gov)
Tudor Investment Corp	18,815	$2.8m	under 0.1%	Trimmed	-44,518	14 Aug 2026 (the filing on sec.gov)

Page 1 of 2

Largest increases and reductions, by shares

Q1 2026 to Q2 2026, among managers that listed it in both quarters or opened it.

Increases

Capital World Investorsexisting position · 1,963,165 shares now+776,365
Fidelity (FMR LLC)existing position · 2,207,405 shares now+765,867
Citadel Advisors LLCexisting position · 900,382 shares now+738,258
Invesco Ltdexisting position · 839,489 shares now+318,348
T. Rowe Price Associates Incexisting position · 384,802 shares now+256,534

Reductions

Neuberger Berman Group LLCexisting position · 883,246 shares now-430,208
Wellington Management Group LLPexisting position · 2,452,290 shares now-403,945
AllianceBernstein LPexisting position · 1,110,367 shares now-89,534
Voloridge Investment Management LLCexisting position · 7,772 shares now-70,936
Squarepoint Ops LLCexisting position · 317,135 shares now-61,747

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (4)

Exited (0)

No exit shown by a manager’s own filing.

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.

7 in Q3 2024 to 16 in Q2 2026

Tracked managers listing it, at least.

the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.

IDA by quarter
Quarter	Holders	Reported value	Buyers	Sellers
Q2 2013	2	$212m	n.a.	n.a.
Q3 2013	3	$219m	n.a.	n.a.
Q4 2013	2	$232m	n.a.	n.a.
Q1 2014	3	$247m	n.a.	n.a.
Q2 2014	2	$257m	n.a.	n.a.
Q3 2014	3	$240m	n.a.	n.a.
Q4 2014	2	$293m	n.a.	n.a.
Q1 2015	1	$277m	n.a.	n.a.
Q2 2015	3	$247m	n.a.	n.a.
Q3 2015	1	$283m	n.a.	n.a.
Q4 2015	2	$583m	n.a.	n.a.
Q1 2016	5	$493m	n.a.	n.a.
Q2 2016	2	$414m	n.a.	n.a.
Q3 2016	3	$404m	n.a.	n.a.
Q4 2016	2	$415m	n.a.	n.a.
Q1 2017	2	$425m	n.a.	n.a.
Q2 2017	2	$407m	n.a.	n.a.
Q3 2017	2	$371m	n.a.	n.a.
Q4 2017	2	$61m	n.a.	n.a.
Q1 2018	4	$85m	n.a.	n.a.
Q2 2018	3	$92m	n.a.	n.a.
Q3 2018	4	$135m	n.a.	n.a.
Q4 2018	8	$152m	n.a.	n.a.
Q1 2019	6	$168m	n.a.	n.a.
Q2 2019	12	$295m	n.a.	n.a.
Q3 2019	9	$320m	n.a.	n.a.
Q4 2019	7	$228m	n.a.	n.a.
Q1 2020	9	$223m	n.a.	n.a.
Q2 2020	8	$163m	n.a.	n.a.
Q3 2020	10	$163m	n.a.	n.a.
Q4 2020	4	$140m	n.a.	n.a.
Q1 2021	6	$416m	n.a.	n.a.
Q2 2021	4	$457m	n.a.	n.a.
Q3 2021	4	$538m	n.a.	n.a.
Q4 2021	6	$598m	n.a.	n.a.
Q1 2022	6	$613m	n.a.	n.a.
Q2 2022	7	$548m	n.a.	n.a.
Q3 2022	4	$213m	n.a.	n.a.
Q4 2022	3	$206m	n.a.	n.a.
Q1 2023	3	$202m	n.a.	n.a.
Q2 2023	4	$188m	n.a.	n.a.
Q3 2023	5	$179m	n.a.	n.a.
Q4 2023	9	$364m	8	2
Q1 2024	7	$338m	6	2
Q2 2024	7	$351m	4	3
Q3 2024	7	$483m	5	1
Q4 2024	6	$649m	4	2
Q1 2025	9	$732m	6	2
Q2 2025	13	$889m	10	2
Q3 2025	13	$979m	4	8
Q4 2025	11	$987m	21	14
Q1 2026	16	$1.4bn	21	11
Q2 2026	16	$1.4bn	19	13

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

IDA and SO →IDA and D →IDA and NEE →Choose a stock to compare with IDA →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own IDA, latest filings →Back to the 13F Explorer →

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