Free · no sign-up · Q2 2026

Which funds own IDA

Idacorp Inc in the Q2 2026 filings. At least 3 of the 91 current managers on file reported a position, worth $305m between them. It is among the largest positions of fewer than a fifth of the current managers on file. Buying and selling roughly cancelled this quarter, which is what a name looks like when the argument is still live.

Managers holding: 3; at least, of 91 current
Combined value: $305m; as reported
Opened: 1; new this quarter
Added to: 1; already held
Trimmed or sold out: 1; 0 sold out entirely

Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.

Managers reporting a position

Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.

Manager	Value	Weight	Shares	Change on the quarter	Action
Two Sigma Investments LP Quantitative · $138bn book	$218m	0.2%	1,439,828	+$25m+89,348	Added
Soros Fund Management LLC Macro · $8.1bn book	$83m	1.0%	546,085	+$100k-31,205	Trimmed
PDT Partners LLC Quantitative · $1.9bn book	$4.5m	0.2%	29,441	opened29,441	New

Ownership through time

At least 16 of the 95 managers whose filings are on file listed IDA in Q2 2026, against 2 in Q2 2013. The same number as in Q1 2026: 2 started positions; 2 no longer listed it among the positions read, which can mean a holding below the listed range or a filing not yet made.

Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.

Managers on file listing it

Their combined reported value

Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.

Started in Q2 2026

ExodusPoint Capital Management LP$9.6m
PDT Partners LLC$4.5m

Largest increases, by shares

Capital World Investors1,186,800 to 1,963,165 shares+$117m
Two Sigma Investments LP1,350,480 to 1,439,828 shares+$14m
ExodusPoint Capital Management LPnew: 63,397 shares+$9.6m
Capital Research Global Investors460,000 to 513,723 shares+$8.1m
PDT Partners LLCnew: 29,441 shares+$4.5m

Largest decreases, by shares

Neuberger Berman Group LLC1,313,454 to 883,246 shares-$65m
Wellington Management Group LLP2,856,235 to 2,452,290 shares-$61m
AllianceBernstein LP1,199,901 to 1,110,367 shares-$13m
Squarepoint Ops LLC378,882 to 317,135 shares-$9.3m
Soros Fund Management LLC577,290 to 546,085 shares-$4.7m

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
Wellington Management Group LLP	Q4 2023	$439m	$371m
Capital World Investors	Q1 2026	$297m	$297m
Two Sigma Investments LP	Q3 2023	$218m	$218m
AllianceBernstein LP	Q4 2020	$231m	$159m
Neuberger Berman Group LLC	Q2 2024	$188m	$134m
Soros Fund Management LLC	Q4 2023	$83m	$83m
Capital Research Global Investors	Q4 2025	$78m	$78m
Squarepoint Ops LLC	Q2 2015	$54m	$48m
Bridgewater Associates LP	Q1 2018	$17m	$17m
Schonfeld Strategic Advisors LLC	Q2 2018	$12m	$12m
ExodusPoint Capital Management LP	Q2 2019	$9.6m	$9.6m
First Eagle Investment Management LLC	Q2 2013	$292m	$6.3m
Brevan Howard Capital Management LP	Q1 2026	$5.6m	$5.6m
PDT Partners LLC	Q3 2014	$4.5m	$4.5m
Caxton Associates LLP	Q4 2025	$1.6m	$1.6m
Fidelity (FMR LLC)	Q4 2015	$373m	last listed Q3 2017
T. Rowe Price Associates Inc	Q1 2021	$340m	last listed Q2 2022
Renaissance Technologies LLC	Q4 2017	$118m	last listed Q4 2020
Two Sigma Advisers LP	Q4 2019	$65m	last listed Q4 2025
AQR Capital Management LLC	Q1 2016	$52m	last listed Q3 2022
D. E. Shaw & Co.	Q1 2020	$44m	last listed Q3 2020
Millennium Management LLC	Q2 2019	$42m	last listed Q3 2019
Man Group PLC	Q3 2018	$40m	last listed Q2 2020
Balyasny Asset Management LLC	Q4 2023	$39m	last listed Q4 2023
Acadian Asset Management LLC	Q3 2013	$31m	last listed Q2 2022

What IDA is worth

Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.

Build the comp set around IDA →

How much of the picture this is

A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.

What to do with a name the funds are buying

Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.

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The holdings, every quarter, and the week between

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