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 Q4 2015?

103 institutional investors reported IDT - IDT CORP - Common Stock for Q4 2015. Use the holders table for investor-level position and value details.

IDT CORP - Common Stock (IDT)

CUSIP: 448947507

Q4 2015 13F Holders as of 31 Dec 2015

Type / Class: Equity / Common Stock
Shares outstanding: 23,512,256
Total 13F shares: 12,309,273
Share change: -153,603
Total reported value: $143,568,731
Put/Call ratio: 109%
Price per share: $11.66
Number of holders: 103
Value change: -$2,497,314
Number of buys: 51
Number of sells: 49

Quarterly Holders Quick Answers

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

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

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

Newer quarter: Q1 2016
Previous quarter: Q3 2015

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	5.4%	1,259,973	$18,018,000	—	30 Sep 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	4.9%	1,146,797	$16,399,000	—	30 Sep 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3.9%	924,053	$13,214,000	—	30 Sep 2015	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	3.6%	842,025	$12,044,000	—	30 Sep 2015	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	2.6%	614,880	$8,793,000	—	30 Sep 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.4%	567,943	$8,122,000	—	30 Sep 2015	13F
BlackRock Fund Advisors	13F	Company	1.9%	446,617	$6,387,000	—	30 Sep 2015	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	1.9%	441,538	$6,314,000	—	30 Sep 2015	13F
FMR LLC	13F	Company	1.6%	376,806	$5,388,000	—	30 Sep 2015	13F
Numeric Investors LLC	13F	Company	1.6%	370,921	$5,304,000	—	30 Sep 2015	13F
STATE STREET CORP	13F	Company	1.3%	298,760	$4,272,000	—	30 Sep 2015	13F
Bank of New York Mellon Corp	13F	Company	1.1%	266,451	$3,811,000	—	30 Sep 2015	13F
JPMORGAN CHASE & CO	13F	Company	1%	246,187	$3,521,000	—	30 Sep 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1%	242,983	$3,473,000	—	30 Sep 2015	13F
GSA CAPITAL PARTNERS LLP	13F	Company	1%	238,249	$3,407,000	—	30 Sep 2015	13F
MORGAN STANLEY	13F	Company	1%	237,764	$3,400,000	—	30 Sep 2015	13F
NORTHERN TRUST CORP	13F	Company	0.95%	223,835	$3,201,000	—	30 Sep 2015	13F
LSV ASSET MANAGEMENT	13F	Company	0.94%	220,875	$3,158,000	—	30 Sep 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.88%	207,990	$2,975,000	—	30 Sep 2015	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.78%	184,249	$2,635,000	—	30 Sep 2015	13F
ANALYTIC INVESTORS, LLC	13F	Company	0.71%	166,924	$2,387,000	—	30 Sep 2015	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.67%	158,072	$2,261,000	—	30 Sep 2015	13F
TFS CAPITAL LLC	13F	Company	0.58%	135,952	$1,944,000	—	30 Sep 2015	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.55%	128,634	$1,839,000	—	30 Sep 2015	13F
RUSSELL FRANK CO/	13F	Company	0.5%	117,392	$1,678,000	—	30 Sep 2015	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	0.46%	109,123	$1,560,000	—	30 Sep 2015	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	0.46%	108,100	$1,545,000	—	30 Sep 2015	13F
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC.	13F	Company	0.42%	98,500	$1,409,000	—	30 Sep 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.36%	85,742	$1,226,000	—	30 Sep 2015	13F
PUTNAM INVESTMENTS LLC	13F	Company	0.34%	80,800	$1,155,000	—	30 Sep 2015	13F
WEDGE CAPITAL MANAGEMENT L L P/NC	13F	Company	0.32%	76,300	$1,091,000	—	30 Sep 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.32%	76,046	$1,087,000	—	30 Sep 2015	13F
Matarin Capital Management, LLC	13F	Company	0.32%	75,634	$1,081,566	—	30 Sep 2015	13F
ALGERT GLOBAL LLC	13F	Company	0.3%	71,602	$1,024,000	—	30 Sep 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.29%	69,043	$985,000	—	30 Sep 2015	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.29%	67,315	$961,000	—	30 Sep 2015	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.28%	66,638	$957,000	—	30 Sep 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.27%	64,108	$917,000	—	30 Sep 2015	13F
CHICAGO EQUITY PARTNERS LLC	13F	Company	0.27%	62,965	$900,000	—	30 Sep 2015	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.26%	62,027	$888,000	—	30 Sep 2015	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.25%	59,194	$846,000	—	30 Sep 2015	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.25%	59,031	$844,000	—	30 Sep 2015	13F
Nationwide Fund Advisors	13F	Company	0.24%	56,585	$809,000	—	30 Sep 2015	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.22%	50,567	$723,000	—	30 Sep 2015	13F
Allianz Asset Management GmbH	13F	Company	0.21%	49,647	$710,000	—	30 Sep 2015	13F
CITADEL ADVISORS LLC	13F	Company	0.21%	49,265	$705,000	—	30 Sep 2015	13F
BLACKROCK ADVISORS LLC	13F	Company	0.21%	48,236	$690,000	—	30 Sep 2015	13F
Invesco Ltd.	13F	Company	0.2%	46,819	$670,000	—	30 Sep 2015	13F
VIRGINIA RETIREMENT SYSTEMS ET Al	13F	Company	0.19%	45,400	$649,000	—	30 Sep 2015	13F
HANCOCK WHITNEY CORP	13F	Company	0.18%	43,234	$618,000	—	30 Sep 2015	13F

Institutional Holders of IDT CORP - Common Stock (IDT) as of Q4 2015

As of 31 Dec 2015, IDT CORP - Common Stock (IDT) was held by 103 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 12,309,273 shares. The largest 10 holders included VANGUARD GROUP INC, RENAISSANCE TECHNOLOGIES LLC, DIMENSIONAL FUND ADVISORS LP, ACADIAN ASSET MANAGEMENT LLC, BlackRock Institutional Trust Company, N.A., AMERICAN CENTURY COMPANIES INC, BlackRock Fund Advisors, MORGAN STANLEY, FMR LLC, and Bank of New York Mellon Corp. This page lists 103 institutional shareholders reporting positions in this security for the Q4 2015 filing period.

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

Compare Q4 2015 vs Q3 2015 Across Filers

Q3 2015 holders

102

Q4 2015 holders

103

Holder diff

Investor	Q3 2015 Shares	Q4 2015 Shares	Share Diff	Share Chg %	Q3 2015 Value $	Q4 2015 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.