IDT close: $23.3 on 2023-08-21 to $67.9 on 2026-08-21.
Split-adj closes · 240 of 4,160 · price returnⓘ
At a glance
Short interest2.0% of sh out
Days to cover2.6d
13F net flow (QoQ)+0.17%
Top-10 13F concentration52.3%
Next report (est.)2026-09-02
SI 2026-07-31 · 13F 2026-Q1ⓘ
Key fundamentalsFY 2025
P/E (FY)22.6×
Sales (TTM)$1.28B
Earnings (TTM)$81.8M
ROE27.6%
Net margin6.2%
ROIC83.9%
EPS growth 3Y43.0%
Sales growth 3Y−3.4%
FY ratios · TTM sales/earnings (USD)ⓘ
Trailing returns
YTD+32.6%
1Y+9.1%
3Y+191.5%
5Y+53.2%
10Y+459.8%
Since incept. (ann.)+20.6%
Price return · from 2010-01-12ⓘ
Risk
Ann. volatility (1Y)31.5%
Ann. volatility (3Y)34.3%
Sharpe (1Y)0.47
Sharpe (3Y)1.23
Max drawdown (1Y)−31.6%
Max drawdown (3Y)−33.2%
Beta (3Y vs SPY)0.42
Daily returns, ann.ⓘ
Top institutional holders13F 2026-Q1
Manager
Shares
Value
% sh out
QoQ
BlackRock, Inc.
1.8M
$87M
—
+2.6%
RENAISSANCE TECHNOLOGIES LLC
946,013
$46M
—
−3.0%
VANGUARD CAPITAL MANAGEMENT LLC
881,088
$43M
—
new
DIMENSIONAL FUND ADVISORS LP
788,047
$39M
—
−2.3%
GEODE CAPITAL MANAGEMENT, LLC
604,728
$30M
—
+8.0%
STATE STREET CORP
534,508
$26M
—
+9.3%
COOKE & BIELER LP
409,386
$20M
—
+4.7%
DEUTSCHE BANK AG\
384,957
$19M
—
+2.8%
Δ vs 2025-Q4 · % of shares outstanding not shown: no SEC cover-page share count falls within 120 days of the 2026-Q1 quarter end, so any percentage would rest on a count that cannot speak for this quarter. Holder share counts are shown as filed.ⓘ
Latest reported quarterslast report 2026-06-03
Period end
Reported
EPS
EPS YoY
Revenue
Rev YoY
2026-04-30
2026-06-03
$0.87
+1.2%
$315.7M
+4.5%
2026-01-31
2026-03-10
$0.84
+5.0%
$320.5M
+5.7%
2025-10-31
2025-12-04
$0.89
+30.9%
$322.8M
+4.3%
2025-07-31
2025-09-29
$0.67
−53.8%
$316.6M
+2.5%
As-reported XBRL · next 2026-09-02 est.ⓘ
Segment mixFY2025 (ended Jul 2025)
Traditional Communications 70% · Fintech 13% · National Retail Solutions 10% · Net2phone 7%
business · TAGGED revenueⓘ
Basis & disclosures
EOD closes · nothing imputed or averaged · absent “—”
As-of differs by block · 13F = US long, 45+d lag, LOWER bound
Not investment advice · no recommendation, price target or solicitation
EDGAR + foreign registers · marketstack (licensed EOD) · spzco.com/methodology
