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$RDCM
$10.36 +$0.15 (1.47%) Close

Ownership

13F as of Q2 2026 · 16.6M shares outstanding

Who owns RDCM?

By type of holder
Institutions 52.3% Insiders 0.0% Everyone else 47.7%
Concentration Top 10 holders own 88.0%
Lynrock Lake LP 15.7% · Paul Cynthia 16.6%
Institutional ownership
52.3%
+1.0 pts vs last qtr
Institutional holders
54
+9 vs last qtr
Net shares bought
+166.9K
by institutions in Q2 2026
New / sold out
12 / 3
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • QVT Financial LP NEW +445.3K
  • Raymond James Financial Inc NEW +96.8K

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Biggest sellers in Q2 2026
  • Lynrock Lake LP −557.9K
  • Marshall Wace, LLP −83.3K

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Who is planning to sell?

Notices of proposed sale, last 12 months
$8.83M
48 notices from 8 people
Shares covered
614.8K
3.71% of the company
Arranged in advance
0%
of the value is under a 10b5-1 plan
Under a 10b5-1 plan No plan
$0$1.6M$3.2MNov 2025: $247.7K without a planNovDec 2025: $8.9K without a planDecJanFeb 2026: $301.2K without a planFebMarApr 2026: $1.8M without a planAprMay 2026: $2.9M without a planMayJun 2026: $441.0K without a planJunJul 2026: $3.2M without a planJulAugSepOct
Largest proposed sellers
  • Lynrock Lake Master Fund LP 10% stockholder $6.2M
  • Bennun Rachel (Heli) Former director $748K

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Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025
+56.2%
+5.08% a year
Each share's claim on the business
−36.0%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
— vs $38.1M
over 10 fiscal years
Diluted shares, split-adjusted
10.5M13.7M17.0M2016: 10.8M shares'162017: 12.4M shares'172018: 13.6M shares'182019: 13.8M shares'192020: 13.9M shares'202021: 14.1M shares'212022: 14.5M shares'222023: 15.3M shares'232024: 16.2M shares'242025: 16.8M shares'25
Buybacks Stock-based comp
$0$3.1M$6.1M2016 buybacks: $02016 stock comp: $2.5M'162017 buybacks: $02017 stock comp: $2.2M'172018 buybacks: $02018 stock comp: $2.1M'182019 buybacks: $02019 stock comp: $2.2M'192020 buybacks: $02020 stock comp: $2.2M'202021 buybacks: $02021 stock comp: $3.4M'212022 buybacks: $02022 stock comp: $5.2M'222023 buybacks: $02023 stock comp: $6.1M'232024 buybacks: $02024 stock comp: $6.1M'242025 buybacks: $02025 stock comp: $6.1M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years62% 3–5 years0% 1–3 years21% Under 1 year17%
Quarterly turnover
10.9%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting RDCM on Form 13F
LL
Lynrock Lake LP
13D · 16.4%
Shares
2.6M
% of company
15.72%
Change vs last qtr
−557.9K (−17.6%)
Held since
≤2021
AI
AWM Investment Company, Inc.
Shares
951.8K
% of company
5.74%
Change vs last qtr
−39.5K (−4.0%)
Held since
≤2021

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Institutional Funds

Mutual funds and ETFs reporting RDCM on Form N-PORT; together they hold 0.1% of the company
DS
Position value
$225K
% of company
0.13%
% of the fund
0.24%
As of
July 31, 2026
SS
Sei Institutional Investments Trust
Position value
$13.4K
% of company
0.01%
% of the fund
0.01%
As of
May 31, 2026

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
PC
Paul Cynthia
5%+ holder13D · 16.4%
Shares
2.7M
% of company
16.57%
Change vs last qtr
—
Held since
—
LL
Lynrock Lake Partners LLC
5%+ holder13D · 16.4%
Shares
2.7M
% of company
16.57%
Change vs last qtr
—
Held since
—

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