What does CUSIP 448947507 represent in this 13F holders report?

CUSIP 448947507 is the security identifier for IDT - IDT CORP - Common Stock used to aggregate holder disclosures.

How many institutions held IDT - IDT CORP - Common Stock in Q1 2018?

78 institutional investors reported IDT - IDT CORP - Common Stock for Q1 2018. Use the holders table for investor-level position and value details.

IDT CORP - Common Stock (IDT)

CUSIP: 448947507

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock
Shares outstanding: 23,512,256
Total 13F shares: 11,872,438
Share change: +199,592
Total reported value: $74,435,480
Put/Call ratio: 78%
Price per share: $6.27
Number of holders: 78
Value change: -$2,820,054
Number of buys: 47
Number of sells: 43

Quarterly Holders Quick Answers

What is CUSIP 448947507?
CUSIP 448947507 identifies IDT - IDT CORP - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2018
Previous quarter: Q4 2017

Recent filing periods for CUSIP 448947507:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of IDT - IDT CORP - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	9.6%	2,251,390	$23,864,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	6.6%	1,558,523	$16,520,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	5.7%	1,340,497	$14,209,000	—	31 Dec 2017	13F
BlackRock Finance, Inc.	13F	Company	5.3%	1,235,728	$13,099,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	2.1%	500,321	$5,304,000	—	31 Dec 2017	13F
Foundry Partners, LLC	13F	Company	1.9%	435,295	$4,614,000	—	31 Dec 2017	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.6%	378,770	$4,015,000	—	31 Dec 2017	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	1.5%	360,480	$3,821,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	1.5%	347,389	$3,680,000	—	31 Dec 2017	13F
Old West Investment Management, LLC	13F	Company	1.3%	309,440	$3,280,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	0.95%	224,408	$2,378,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	0.94%	221,914	$2,352,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.7%	165,320	$1,752,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	0.62%	145,770	$1,545,000	—	31 Dec 2017	13F
Allianz Asset Management GmbH	13F	Company	0.58%	137,102	$1,453,000	—	31 Dec 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	0.49%	115,791	$1,227,000	—	31 Dec 2017	13F
Silphium Asset Management Ltd	13F	Company	0.47%	111,025	$1,176,865	—	31 Dec 2017	13F
IndexIQ Advisors LLC	13F	Company	0.47%	110,737	$1,174,000	—	31 Dec 2017	13F
STEEL GROVE CAPITAL ADVISORS, LLC	13F	Company	0.37%	86,564	$918,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.33%	78,386	$831,000	—	31 Dec 2017	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.33%	78,312	$830,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.3%	69,748	$739,000	—	31 Dec 2017	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.29%	69,272	$734,000	—	31 Dec 2017	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.28%	66,854	$708,000	—	31 Dec 2017	13F
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC.	13F	Company	0.27%	63,400	$671,000	—	31 Dec 2017	13F
CITADEL ADVISORS LLC	13F	Company	0.26%	60,268	$639,000	—	31 Dec 2017	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.24%	56,380	$597,000	—	31 Dec 2017	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.24%	55,826	$592,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	0.23%	52,967	$561,000	—	31 Dec 2017	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.22%	50,814	$539,000	—	31 Dec 2017	13F
MENTA CAPITAL LLC	13F	Company	0.22%	50,659	$537,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.2%	47,018	$498,000	—	31 Dec 2017	13F
Alambic Investment Management, L.P.	13F	Company	0.2%	46,500	$493,000	—	31 Dec 2017	13F
STRS OHIO	13F	Company	0.19%	44,900	$475,000	—	31 Dec 2017	13F
Stone Ridge Asset Management LLC	13F	Company	0.19%	44,720	$474,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.19%	44,486	$470,000	—	31 Dec 2017	13F
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	13F	Company	0.18%	41,178	$436,000	—	31 Dec 2017	13F
Matarin Capital Management, LLC	13F	Company	0.17%	40,623	$430,604	—	31 Dec 2017	13F
PEAK6 Group LLC	13F	Company	0.16%	38,553	$409,000	—	31 Dec 2017	13F
TEACHERS ADVISORS, LLC	13F	Company	0.15%	36,174	$383,000	—	31 Dec 2017	13F
Janney Montgomery Scott LLC	13F	Company	0.15%	34,510	$366,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.14%	32,067	$340,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.13%	31,614	$335,000	—	31 Dec 2017	13F
UBS Group AG	13F	Company	0.12%	28,726	$304,000	—	31 Dec 2017	13F
Swiss National Bank	13F	Company	0.12%	28,700	$304,000	—	31 Dec 2017	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.12%	27,552	$292,000	—	31 Dec 2017	13F
RHUMBLINE ADVISERS	13F	Company	0.1%	24,635	$261,000	—	31 Dec 2017	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.1%	24,463	$259,000	—	31 Dec 2017	13F
WOLVERINE TRADING, LLC	13F	Company	0.08%	19,121	$203,000	—	31 Dec 2017	13F
BARCLAYS PLC	13F	Company	0.08%	18,675	$198,000	—	31 Dec 2017	13F

Institutional Holders of IDT CORP - Common Stock (IDT) as of Q1 2018

As of 31 Mar 2018, IDT CORP - Common Stock (IDT) was held by 78 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 11,872,438 shares. The largest 10 holders included VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, RENAISSANCE TECHNOLOGIES LLC, BlackRock Inc., Bank of New York Mellon Corp, Foundry Partners, LLC, STATE STREET CORP, Silphium Asset Management Ltd, Old West Investment Management, LLC, and NORTHERN TRUST CORP. This page lists 78 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

Q1 2018 holders

Holder diff

-14

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.