SPOK HLDGS INC's ticker is SPOK and the CUSIP is 84863T106. A total of 117 filers reported holding SPOK HLDGS INC in Q2 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $45,000 | +9.8% | 3,000 | 0.0% | 0.00% | – |
| Q1 2019 | $41,000 | +4000.0% | 3,000 | +3514.5% | 0.00% | – |
| Q3 2018 | $1,000 | – | 83 | +453.3% | 0.00% | – |
| Q2 2017 | $0 | -100.0% | 15 | -97.0% | 0.00% | – |
| Q2 2015 | $8,000 | -20.0% | 500 | 0.0% | 0.00% | – |
| Q1 2015 | $10,000 | +233.3% | 500 | +150.0% | 0.00% | – |
| Q3 2014 | $3,000 | – | 200 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Prism Advisors, Inc. | 154,171 | $2,413,000 | 1.33% |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 908,091 | $14,212,000 | 1.23% |
| Foundry Partners, LLC | 285,945 | $4,475,000 | 0.19% |
| Unison Advisors LLC | 14,226 | $223,000 | 0.16% |
| Tibra Equities Europe Ltd | 20,789 | $325,000 | 0.14% |
| Numeric Investors LLC | 727,668 | $11,388,000 | 0.08% |
| Alambic Investment Management, L.P. | 34,700 | $543,000 | 0.06% |
| Tower Research Capital LLC (TRC) | 21,513 | $337,000 | 0.04% |
| Stone Ridge Asset Management LLC | 40,384 | $632,000 | 0.04% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 229,964 | $3,599,000 | 0.04% |