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S

Spok Holdings SPOK · USD

Communication Services · US listing · 🇺🇸 United States

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11.99

+1.96%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BlackRock Institutional Trust Company, N.A.1.5m6.94%−38.3k31 Dec 2025
Renaissance Technologies LLC1.2m5.92%+74k31 Dec 2025
The Vanguard Group, Inc.1.2m5.84%+74.4k31 Dec 2025
Dimensional Fund Advisors, L.P.703.8k3.34%−15.2k31 Dec 2025
Geode Capital Management, L.L.C.598.6k2.84%−2.7k31 Dec 2025
State Street Investment Management (US)446.9k2.12%−10.5k31 Dec 2025
Hightower Advisors, LLC382.4k1.82%−25.6k31 Dec 2025
Acadian Asset Management LLC322k1.53%−106k31 Dec 2025
Goldman Sachs Asset Management, L.P.284.7k1.35%−40.3k31 Dec 2025
C.S. McKee262.9k1.25%−71.4k31 Dec 2025
BlackRock Financial Management, Inc.237.5k1.13%−10.6k31 Dec 2025
Connor, Clark & Lunn Investment Management Ltd.196.9k0.94%−61.4k31 Dec 2025
Qube Research & Technologies Ltd178.1k0.85%+16.1k31 Dec 2025
Northern Trust Investments, Inc.175.3k0.83%−11.9k31 Dec 2025
Trexquant Investment LP170.7k0.81%+81.8k31 Dec 2025

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

655.5k

-5.2% on the period before. 5.3 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

37.5%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 18 Sept 2026136 shares
  • 14 Sept 2026880 shares
  • 10 Sept 20261 shares
  • 2 Sept 202611 shares
  • 1 Sept 20263 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.