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Sigma Planning Corp

Position in IDCC — InterDigital, Inc.

CIK 1449126 ANN ARBOR, MI

Position in IDCC

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$1,353,361
-$1,294,877 QoQ
Shares Held
4,780
-45.5% QoQ
Ownership
0.019%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#201
of 506 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in IDCC Over Time

Shares Held

Position Value (USD)

Derivatives in IDCC

reported options exposure · as of Sep 30, 2024
CallValue
$0
CallShares
0
PutValue
$6,685
PutShares
11,700

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Software - Application

Technology · as of Jun 30, 2026

Sigma Planning Corp holds $23,846,594 across 19 Software - Application names. IDCC ranks #6 (5.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 IDCC
InterDigital, Inc.
This page
4,780 $1,353,361

All Filings in IDCC

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27 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,353,361 4,780
2026-03-31 $2,648,238 8,769
2025-12-31 $2,649,239 8,321
2025-09-30 $2,004,750 5,807
2025-06-30 $1,150,524 5,131
2025-03-31 $1,200,183 5,805
2024-12-31 $1,170,456 6,042
2024-09-30 $6,685 11,700
2024-09-30 $930,225 6,568
2024-06-30 $740,272 6,351
2024-03-31 $670,059 6,294
2023-12-31 $265,814 2,449
2023-09-30 $489,624 6,102
2023-06-30 $570,513 5,909
2023-03-31 $423,184 5,805
2022-12-31 $292,624 5,914
2022-09-30 $243,126 6,015
2022-06-30 $386,384 6,355
2022-03-31 $402,259 6,305
2021-12-31 $455,208 6,355
2021-09-30 $447,679 6,601
2021-06-30 $505,513 6,922
2021-03-31 $450,558 7,101
2020-12-31 $423,000 6,971
2020-09-30 $398,449 6,983
2020-06-30 $413,738 7,306
2020-03-31 $317,006 7,103