Needham Investment Management’s Tenable Holdings TENB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-20,000
Closed -$583K 168
2025
Q3
$583K Hold
20,000
0.04% 144
2025
Q2
$676K Buy
20,000
+10,000
+100% +$325K 0.05% 136
2025
Q1
$350K Hold
10,000
0.03% 145
2024
Q4
$394K Buy
+10,000
New +$415K 0.03% 145
2019
Q1
Sell
-16,582
Closed -$368K 81
2018
Q4
$368K Sell
16,582
-3,418
-17% -$97.1K 0.14% 68
2018
Q3
$777K Buy
+20,000
New +$665K 0.23% 60

Other funds holding TENB

Needham Investment Management's TENB Position: Q4 2025 in Review

Needham Investment Management sold out of Tenable Holdings (TENB) in Q4 2025, closing a stake of 20,000 shares — an estimated $583K sold.

Needham Investment Management first reported a position in TENB in Q3 2018 and held it in 6 quarters. The position peaked at $777K in Q3 2018. 281 funds tracked by Wall St. Rank hold TENB as of Q4 2025.

  • Needham Investment Management reported no remaining Tenable Holdings position as of Q4 2025 after selling out during the quarter.
  • Needham Investment Management sold 20,000 Tenable Holdings shares in Q4 2025, an estimated $583K.
  • Needham Investment Management first reported a position in Tenable Holdings in Q3 2018 and held it in 6 quarters.
  • Needham Investment Management's Tenable Holdings position peaked at $777K in Q3 2018.
  • 281 funds tracked by Wall St. Rank held Tenable Holdings as of Q4 2025.

Based on Needham Investment Management's 13F filing for Q4 2025, filed 17 Feb 2026.