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NISA INVESTMENT ADVISORS, LLC

Position in SPOK — Spok Holdings, Inc

CIK 937615 ST. LOUIS, MO

Position in SPOK

as of Jun 30, 2026 · filed Aug 10, 2026
Position Value
$15,452
+$6,820 QoQ
Shares Held
1,509
+90.5% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#102
of 132 holders
Holding Since
Sep 2020
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SPOK Over Time

Shares Held

Position Value (USD)

Position in Health Information Services

Healthcare · as of Jun 30, 2026

NISA INVESTMENT ADVISORS, LLC holds $4,236,254 across 29 Health Information Services names. SPOK ranks #22 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SPOK

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,452 1,509
2026-03-31 $8,632 792
2025-12-31 $10,446 792
2025-09-30 $793 46
2025-06-30 $813 46
2025-03-31 $62,307 3,790
2024-12-31 $497 31
2024-09-30 $466 31
2024-06-30 $740 50
2024-03-31 $193,234 12,115
2023-12-31 $232 15
2023-09-30 $71,564 5,015
2023-06-30 $25,383 1,910
2021-09-30 $11,242 1,100
2021-06-30 $10,582 1,100
2021-03-31 $11,539 1,100
2020-12-31 $12,243 1,100
2020-09-30 $40,417 4,250