Tenable Jumps After S&P SmallCap 600 Addition Spurs Buying

Tenable Holdings (TENB) is up 12.2% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely catalyst is Tenable’s planned addition to the S&P SmallCap 600 before the market opens on August 31, 2026, a change that often creates near-term demand from index funds and other benchmark-tracking investors. The move also appears to be supported by momentum from Tenable’s recent second-quarter results, which beat expectations and included a higher full-year outlook.

Details:

S&P Dow Jones Indices announced that Tenable will replace Leggett & Platt in the S&P SmallCap 600, with the change taking effect before trading begins on August 31.

Tenable’s July 29 earnings release showed second-quarter revenue of $268.5 million, up 8.6% year over year, while non-GAAP diluted earnings per share rose to $0.51 from $0.34 a year earlier.

The company raised its full-year 2026 outlook, including revenue guidance of $1.075 billion to $1.081 billion and non-GAAP diluted earnings per share of $1.95 to $2.00.

Recent operating highlights included 381 new enterprise platform customers, 32 net new six-figure customers, and continued product activity around Tenable One, Hexa AI, and AI-related partnerships.

Sources:

S&P Global, Tenable, SEC

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$TENB Insider Trading Activity

$TENB insiders have traded $TENB stock on the open market 7 times in the past 6 months. Of those trades, 1 have been purchases and 6 have been sales.

Here’s a breakdown of recent trading of $TENB stock by insiders over the last 6 months:

MATTHEW CHARLES BROWN (Chief Financial Officer) purchased 12,000 shares for an estimated $258,480
LINDA KAY ZECHER has made 0 purchases and 5 sales selling 4,010 shares for an estimated $141,151.
RAYMOND JR. VICKS sold 1,819 shares for an estimated $65,374

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$TENB Hedge Fund Activity

We have seen 176 institutional investors add shares of $TENB stock to their portfolio, and 200 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

AMERIPRISE FINANCIAL INC added 6,726,977 shares (+79.1%) to their portfolio in Q2 2026, for an estimated $248,090,911
MACKENZIE FINANCIAL CORP removed 2,297,936 shares (-92.7%) from their portfolio in Q2 2026, for an estimated $84,747,879
NORGES BANK removed 1,860,002 shares (-98.3%) from their portfolio in Q2 2026, for an estimated $68,596,873
JACOBS LEVY EQUITY MANAGEMENT, INC removed 1,841,995 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $67,932,775
ALYESKA INVESTMENT GROUP, L.P. removed 1,738,615 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $64,120,121
D. E. SHAW & CO., INC. removed 1,334,603 shares (-96.3%) from their portfolio in Q2 2026, for an estimated $49,220,158
SHAPIRO CAPITAL MANAGEMENT LLC removed 1,267,100 shares (-30.5%) from their portfolio in Q2 2026, for an estimated $46,730,648

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$TENB Analyst Ratings

Wall Street analysts have issued reports on $TENB in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Canaccord Genuity issued a "Buy" rating on 05/22/2026

To track analyst ratings and price targets for $TENB, check out Quiver Quantitative's $TENB forecast page.

$TENB Price Targets

Multiple analysts have issued price targets for $TENB recently. We have seen 12 analysts offer price targets for $TENB in the last 6 months, with a median target of $27.5.

Here are some recent targets:

Patrick Colville from Scotiabank set a target price of $50.0 on 07/06/2026
Brian Essex from JP Morgan set a target price of $40.0 on 06/30/2026
Todd Weller from Stephens & Co. set a target price of $29.0 on 05/26/2026
Mike Cikos from Needham set a target price of $30.0 on 05/22/2026
Adam Borg from Stifel set a target price of $26.0 on 05/22/2026
Saket Kalia from Barclays set a target price of $28.0 on 05/22/2026
Kingsley Crane from Canaccord Genuity set a target price of $30.0 on 05/22/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.