IDT Ownership | Who Owns IDT?

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IDT Ownership Summary

IDT is owned by 51.94% institutional investors, 13.22% insiders, and 34.84% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 6.78% of IDT shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.57% of its assets in IDT shares.

IDT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	IDT	51.94%	13.22%	34.84%
Sector	Communication Services Stocks	31.39%	16.65%	51.96%
Industry	Telecom Stocks	30.69%	13.56%	55.75%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	1.71M	6.78%	$89.29M
Blackrock	1.37M	5.41%	$49.28M
Vanguard group	1.31M	5.19%	$68.40M
Renaissance	1.05M	4.18%	$55.06M
Dimensional fund advisors lp	862.39K	3.43%	$45.13M
First trust advisors lp	642.30K	2.55%	$33.60M
State street	530.64K	2.11%	$27.79M
Geode capital management	458.58K	1.82%	$23.99M
Acadian asset management	393.60K	1.56%	$20.57M
Kahn brothers group	392.36K	1.56%	$20.52M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kahn brothers group	392.36K	3.86%	$20.52M
Orchard capital management	282.47K	3.06%	$10.15M
Emmett investment management, lp	46.41K	1.73%	$2.35M
Semanteon capital management, lp	5.35K	0.35%	$279.86K
Pharvision advisers	10.12K	0.30%	$529.53K
Foundry partners	100.75K	0.24%	$4.79M
Algert global	151.00K	0.13%	$7.90M
Nebula research & development	21.56K	0.13%	$1.47M
Virtus etf advisers	3.24K	0.11%	$169.48K
Dynamic technology lab private	12.29K	0.11%	$643.00M

Top Buyers

Holder	Shares	% Assets	Change
First trust advisors lp	642.30K	0.03%	319.18K
Acadian asset management	393.60K	0.04%	153.96K
Arrowstreet capital, limited partnership	128.84K	0.00%	89.92K
Qube research	248.58K	0.01%	63.43K
Algert global	151.00K	0.13%	58.89K

Top Sellers

Holder	Shares	% Assets	Change
Almanack investment partners, llc.	-	-	-12.58M
Allspring global investments	-	-	-90.76K
Marshall wace, llp	5.20K	0.00%	-89.48K
Dimensional fund advisors lp	862.39K	0.01%	-89.14K
Alta fox capital management	-	-	-88.53K

New Positions

Holder	Shares	% Assets	Change	Value
Squarepoint ops	49.54K	0.00%	49.54K	$2.59M
Norges bank	45.70K	0.00%	45.70K	$2.17M
Healthcare of ontario pension plan trust fund	16.10K	0.00%	16.10K	$842.19K
Pharvision advisers	10.12K	0.30%	10.12K	$529.53K
Moran wealth management	9.51K	0.01%	9.51K	$497.52K

Sold Out

Holder	Change
Newedge advisors	-2.00
Nelson, van denburg & campbell wealth management group	-3.00
Golden state wealth management	-4.00
Ronald blue trust	-9.00
Global retirement partners	-11.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	187	2.19%	13,076,662	7.43%	51	2.22%	104	-12.61%	59	20.41%
Jun 30, 2025	189	7.39%	13,111,444	8.07%	52	2.24%	124	29.17%	50	-
Mar 31, 2025	176	2.92%	12,203,192	6.99%	48	2.37%	97	1.04%	49	11.36%
Dec 31, 2024	115	-22.82%	8,789,386	-19.71%	34	1.87%	62	-8.82%	28	-46.15%
Sep 30, 2024	149	-2.61%	10,946,565	-53.66%	43	0.50%	68	-17.07%	52	18.18%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	647.13K	2.57%	-
Vanguard Total Stock Mkt Idx Inv	634.02K	2.51%	-14.06K
iShares Russell 2000 ETF	393.16K	1.56%	-
Royce Small-Cap Total Return Invmt	345.43K	1.37%	-102.71K
Royce Small-Cap Quality Value Composite	345.43K	1.37%	-102.71K
Small Cap Core Equity Composite	315.34K	1.25%	-
DWS Small Cap Core S	315.34K	1.25%	-
First Trust SMID Cp Rising Div Achv ETF	291.96K	1.16%	310.00
Vanguard Institutional Extnd Mkt Idx Tr	221.19K	0.88%	-98.45K
Orchard US Small Cap Value USD Instl 1	218.00K	0.86%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 10, 2025	COSENTINO ERIC F.	-	Sell	$9.52K
Oct 02, 2025	PEREIRA BILL	COO & President	Sell	$2.08M
Jun 16, 2025	COSENTINO ERIC F.	-	Sell	$53.62K
Mar 18, 2025	WARTELL DAVID	CHIEF TECHNOLOGY OFFICER	Sell	$525.88K
Jan 10, 2025	COSENTINO ERIC F.	-	Sell	$25.05K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	1
2025 Q3	-	-
2025 Q2	-	1
2025 Q1	-	2
2024 Q4	-	10

IDT Ownership FAQ

Who Owns IDT?

IDT shareholders are primarily institutional investors at 51.94%, followed by 13.22% insiders and 34.84% retail investors. The average institutional ownership in IDT's industry, Telecom Stocks , is 30.69%, which IDT exceeds.

Who owns the most shares of IDT?

IDT’s largest shareholders are Blackrock funding, inc. /de (1.71M shares, 6.78%), Blackrock (1.37M shares, 5.41%), and Vanguard group (1.31M shares, 5.19%). Together, they hold 17.39% of IDT’s total shares outstanding.

Does Blackrock own IDT?

Yes, BlackRock owns 5.41% of IDT, totaling 1.37M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 49.28M$. In the last quarter, BlackRock increased its holdings by 18.56K shares, a 1.37% change.

Who is IDT’s biggest shareholder by percentage of total assets invested?

Kahn brothers group is IDT’s biggest shareholder by percentage of total assets invested, with 3.86% of its assets in 392.36K IDT shares, valued at 20.52M$.

Who is the top mutual fund holder of IDT shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of IDT shares, with 2.57% of its total shares outstanding invested in 647.13K IDT shares.

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