Spok Holdings shares owned by Citadel Advisors
Quarter-by-quarter ownership of Spok Holdings (SPOK) shares owned by Citadel Advisors
from 13F filings
Historical chart of Citadel Advisors investment in Spok Holdings
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Quarterly reported holdings in Spok Holdings by Citadel Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $403k | 23k | 17.25 |
| 2025-06-30 | $1.2M | 65k | 17.68 |
| 2025-03-31 | $2.8M | 172k | 16.44 |
| 2024-12-31 | $814k | 51k | 16.05 |
| 2024-09-30 | $1.5M | 100k | 15.06 |
| 2024-06-30 | $175k | 12k | 14.81 |
| 2024-03-31 | $1.7M | 109k | 15.95 |
| 2023-12-31 | $1.1M | 70k | 15.48 |
| 2023-09-30 | $507k | 36k | 14.27 |
| 2023-06-30 | $945k | 71k | 13.29 |
| 2023-03-31 | $461k | 46k | 10.13 |
| 2022-12-31 | $385k | 47k | 8.19 |
| 2022-06-30 | $371k | 59k | 6.29 |
| 2022-03-31 | $662k | 83k | 7.99 |
| 2021-12-31 | $856k | 92k | 9.33 |
| 2021-09-30 | $1.4M | 141k | 10.22 |
| 2021-06-30 | $1.1M | 111k | 9.62 |
| 2021-03-31 | $202k | 22k | 9.04 |
| 2020-12-31 | $492k | 44k | 11.13 |
| 2020-09-30 | $213k | 22k | 9.51 |
| 2019-09-30 | $0 | 51k | 0.00 |
| 2019-06-30 | $767k | 51k | 15.00 |
| 2019-03-31 | $283k | 21k | 13.58 |
| 2018-12-31 | $266k | 20k | 13.26 |
| 2018-09-30 | $443k | 29k | 15.41 |
| 2018-06-30 | $1.7M | 114k | 15.03 |
| 2018-03-31 | $1.3M | 87k | 14.97 |
| 2017-12-31 | $988k | 63k | 15.65 |
| 2017-09-30 | $1.3M | 82k | 15.33 |
| 2017-06-30 | $834k | 47k | 17.70 |
| 2017-03-31 | $368k | 19k | 19.00 |
| 2016-06-30 | $200k | 11k | 19.12 |
| 2015-12-31 | $223k | 12k | 18.28 |
| 2015-03-31 | $1.1M | 58k | 19.17 |
| 2014-12-31 | $1.5M | 86k | 17.36 |
| 2014-09-30 | $888k | 68k | 13.01 |