Cybersecurity co Tenable rises on S&P Smallcap inclusion

Somnigroup International

27/08/2026 11:51

** Shares of cybersecurity firm Tenable Holdings TENB.O up 6.2% at $35.74 before the bell on Thurs as co poised to enter S&P SmallCap 600 index .SPCY
** TENB to replace Leggett & Platt LEG.N in SPCY effective Mon, Aug 31, S&P Dow Jones Indices said late Weds
** Engineered components maker LEG acquired by bedding firm Somnigroup SGI.N in all-stock merger completed on Weds
** Stephens analyst Melissa Roberts said in a note she expects passive funds will need to purchase 15 mln TENB shares which implies about 4.5 days of buying demand
** New S&P 600 Info Tech adds historically outperformed both the SPCY (+8.0%) and their sector (+7.6%) from announce to add, with the bulk of this outperformance occurring on the day post announcement, Roberts said
** Columbia, Maryland-based TENB has ~110.1 mln shares outstanding for about $3.7 bln market cap
** Through Weds, stock up 38% over the past three months, putting it up 43% YTD
** 9 of 24 analysts rate the stock "strong buy" or "buy", 15 "hold"; median PT $35, per LSEG data

(Lance Tupper is a Reuters market analyst. The views expressed are his own)
((lance.tupper@tr.com 1-646-279-6380))