SPOK HLDGS INC's ticker is and the CUSIP is 84863T956. A total of 2 filers reported holding SPOK HLDGS INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $7 | -30.0% | 500 | -37.5% | 0.00% | – |
| Q2 2023 | $10 | +11.1% | 800 | -11.1% | 0.00% | – |
| Q1 2023 | $9 | 0.0% | 900 | -25.0% | 0.00% | – |
| Q4 2022 | $9 | – | 1,200 | +1100.0% | 0.00% | – |
| Q2 2022 | $0 | -100.0% | 100 | -97.9% | 0.00% | – |
| Q1 2022 | $37,000 | +270.0% | 4,700 | +327.3% | 0.00% | – |
| Q3 2021 | $10,000 | 0.0% | 1,100 | 0.0% | 0.00% | – |
| Q2 2021 | $10,000 | -9.1% | 1,100 | +9900.0% | 0.00% | – |
| Q1 2021 | $11,000 | +450.0% | 11 | +266.7% | 0.00% | – |
| Q3 2020 | $2,000 | 0.0% | 3 | 0.0% | 0.00% | – |
| Q2 2020 | $2,000 | -99.2% | 3 | -98.5% | 0.00% | -100.0% |
| Q3 2019 | $238,000 | -27.9% | 200 | -9.1% | 0.00% | 0.0% |
| Q2 2019 | $330,000 | -42.8% | 220 | -48.1% | 0.00% | -50.0% |
| Q1 2019 | $577,000 | +95.6% | 424 | +90.1% | 0.00% | +100.0% |
| Q4 2018 | $295,000 | – | 223 | +22200.0% | 0.00% | – |
| Q3 2018 | $0 | -100.0% | 1 | -99.6% | 0.00% | -100.0% |
| Q2 2018 | $361,000 | +780.5% | 240 | -24.1% | 0.00% | -50.0% |
| Q1 2018 | $41,000 | +41.4% | 316 | +69.0% | 0.00% | +100.0% |
| Q4 2017 | $29,000 | – | 187 | +9250.0% | 0.00% | – |
| Q3 2017 | $0 | – | 2 | 0.0% | 0.00% | – |
| Q2 2017 | $0 | – | 2 | -50.0% | 0.00% | – |
| Q1 2017 | $0 | – | 4 | -60.0% | 0.00% | – |
| Q3 2016 | $0 | – | 10 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 1 | $0 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |