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John Overdeck’s Radcom RDCM Stock Holding History

John Overdeck’s Portfolio RDCM Stock Details RDCM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$206K Sell
14,588
-15,087
-51% -$212K ﹤0.01% 4771
2026
Q1 		$361K Sell
29,675
-67,352
-69% -$805K ﹤0.01% 3953
2025
Q4 		$1.27M Buy
97,027
+17,824
+23% +$239K ﹤0.01% 2764
2025
Q3 		$1.15M Buy
79,203
+37,898
+92% +$517K ﹤0.01% 2486
2025
Q2 		$561K Buy
+41,305
New +$505K ﹤0.01% 2539
2019
Q3 		– Sell
-11,724
Closed -$96K – 3734
2019
Q2 		$96K Sell
11,724
-11,100
-49% -$92.5K ﹤0.01% 3205
2019
Q1 		$169K Sell
22,824
-2,100
-8% -$16.3K ﹤0.01% 2844
2018
Q4 		$185K Buy
24,924
+10,905
+78% +$97.3K ﹤0.01% 2725
2018
Q3 		$158K Sell
14,019
-3,818
-21% -$69.5K ﹤0.01% 3043
2018
Q2 		$352K Buy
+17,837
New +$347K ﹤0.01% 2852
2016
Q3 		– Sell
-10,581
Closed -$123K – 3322
2016
Q2 		$123K Buy
+10,581
New +$136K ﹤0.01% 2809

Other funds holding RDCM

LLL
Lynrock Lake LP Rye Brook, New York $1.58B AUM 20.25% 1-Year Est. Return
AIC
AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return
VB
Value Base Tel Aviv, Israel $162M AUM 2.31% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
QF
QVT Financial New York $1.7B AUM 173.77% 1-Year Est. Return
YLHM
Yelin Lapidot Holdings Management Tel Aviv, Israel $527M AUM 50.16% 1-Year Est. Return
Janney Montgomery Scott
Janney Montgomery Scott Philadelphia, Pennsylvania $51.6B AUM 27.34% 1-Year Est. Return
PAG
Private Advisor Group Morristown, New Jersey $21.8B AUM 28.57% 1-Year Est. Return
HIM
Herald Investment Management London, United Kingdom $737M AUM 158.15% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

John Overdeck's RDCM Position: Q2 2026 in Review

John Overdeck reduced its Radcom (RDCM) stake by 51% in Q2 2026, selling an estimated $212K and leaving 14,588 shares worth $206K. The position accounts for ﹤0.01% of the portfolio, ranked #4771.

John Overdeck first reported a position in RDCM in Q2 2016 and has held it in 11 quarters since. The position peaked at $1.27M in Q4 2025. 54 funds tracked by Wall St. Rank hold RDCM as of Q2 2026.

  • John Overdeck held 14,588 shares of Radcom worth $206K as of Q2 2026.
  • John Overdeck sold 15,087 Radcom shares in Q2 2026, an estimated $212K.
  • Radcom made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4771 holding.
  • John Overdeck first reported a position in Radcom in Q2 2016 and has held it in 11 quarters since.
  • John Overdeck's Radcom position peaked at $1.27M in Q4 2025.
  • 54 funds tracked by Wall St. Rank held Radcom as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.