SIMPLEX TRADING, LLC - SPOK HLDGS INC ownership

SPOK HLDGS INC's ticker is SPOK and the CUSIP is 84863T106. A total of 125 filers reported holding SPOK HLDGS INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of SPOK HLDGS INC
ValueSharesWeighting
Q1 2023$46
-54.0%
4,579
-62.8%
0.00%
Q4 2022$100
-99.8%
12,310
+79.6%
0.00%
Q2 2022$43,000
-8.5%
6,853
+15.5%
0.00%
Q1 2022$47,000
-38.2%
5,931
-27.7%
0.00%
Q4 2021$76,000
+2433.3%
8,208
+1946.9%
0.00%
Q3 2021$3,0000.0%4010.0%0.00%
Q2 2021$3,000
-25.0%
401
-22.3%
0.00%
Q2 2020$4,000
-97.9%
516
-96.8%
0.00%
-100.0%
Q3 2019$193,000
+2.1%
16,187
+28.4%
0.00%0.0%
Q2 2019$189,000
+1081.2%
12,607
+943.6%
0.00%
Q1 2019$16,000
-11.1%
1,208
-12.6%
0.00%
Q4 2018$18,000
-82.5%
1,382
-79.9%
0.00%
Q2 2018$103,000
-36.8%
6,870
-37.3%
0.00%
-100.0%
Q1 2018$163,000
+14.0%
10,961
+19.2%
0.01%
+16.7%
Q4 2017$143,000
+4666.7%
9,192
+4116.5%
0.01%
Q2 2017$3,000
+200.0%
218
+225.4%
0.00%
Q3 2016$1,00067
+204.5%
0.00%
Q2 2015$0220.00%
Other shareholders
SPOK HLDGS INC shareholders Q3 2015
NameSharesValueWeighting ↓
Western Standard LLC 670,498$4,613,0004.38%
BCK CAPITAL MANAGEMENT LP 90,480$722,0000.43%
DEPRINCE RACE & ZOLLO INC 1,586,289$12,659,0000.25%
Granite Point Capital Management, L.P. 75,000$599,0000.12%
Foundry Partners, LLC 293,516$2,342,0000.12%
KENNEDY CAPITAL MANAGEMENT LLC 118,151$943,0000.02%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 120,816$964,0000.02%
Man Group plc 647,525$5,167,0000.02%
K2 PRINCIPAL FUND, L.P. 25,500$203,0000.02%
Engineers Gate Manager LP 40,631$324,0000.01%
View complete list of SPOK HLDGS INC shareholders