Skip to main content

CITADEL ADVISORS LLC

Position in SPOK — Spok Holdings, Inc

CIK 1423053 MIAMI, FL

Position in SPOK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,878,497
+$1,684,751 QoQ
Shares Held
183,447
+932.1% QoQ
Ownership
0.877%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#16
of 132 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SPOK Over Time

Shares Held

Position Value (USD)

Derivatives in SPOK

reported options exposure · as of Dec 31, 2025
CallValue
$160,918
CallShares
12,200
PutValue
$245,334
PutShares
18,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Health Information Services

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $554,752,852 across 39 Health Information Services names. SPOK ranks #20 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SPOK

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,878,497 183,447
2026-03-31 $193,746 17,775
2025-12-31 $655,437 49,692
2025-12-31 $160,918 12,200
2025-12-31 $245,334 18,600
2025-09-30 $402,908 23,357
2025-06-30 $1,156,571 65,417
2025-03-31 $2,537,020 154,320
2025-03-31 $263,040 16,000
2025-03-31 $34,524 2,100
2024-12-31 $494,532 30,812
2024-12-31 $239,145 14,900
2024-12-31 $80,250 5,000
2024-09-30 $1,241,801 82,457
2024-09-30 $182,226 12,100
2024-09-30 $85,842 5,700
2024-06-30 $34,063 2,300
2024-06-30 $140,695 9,500
2024-03-31 $1,277,196 80,075
2024-03-31 $200,970 12,600
2024-03-31 $261,580 16,400
2023-12-31 $239,940 15,500
2023-12-31 $619,401 40,013
2023-12-31 $219,816 14,200
2023-09-30 $168,386 11,800
2023-09-30 $1,583 111
2023-09-30 $336,772 23,600
2023-06-30 $620,643 46,700
2023-06-30 $224,693 16,907
2023-06-30 $99,675 7,500
2023-03-31 $187,972 18,556
2023-03-31 $214,756 21,200
2023-03-31 $57,741 5,700
2022-12-31 $330,425 40,345
2022-12-31 $49,959 6,100
2022-12-31 $4,095 500
2022-09-30 $276,568 36,200
2022-09-30 $105,432 13,800
2022-09-30 $146,580 19,186
2022-06-30 $259,667 41,217
2022-06-30 $112,140 17,800
2022-03-31 $223,440 28,000
2022-03-31 $119,700 15,000
2022-03-31 $317,986 39,848
2021-12-31 $194,997 20,900
2021-12-31 $660,815 70,827
2021-09-30 $549,836 53,800
2021-09-30 $894,627 87,537
2021-06-30 $252,044 26,200
2021-06-30 $818,786 85,113