13FBOX
SPOK HLDGS INC COM · 13F Institutional Holdings
Options Calculator Rankings

SPOK HLDGS INC COM

SPOK
Institutions
134
Combined AUM (Q2 2026)
$111.6M
Combined Shares (Q2 2026)
10.9M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+1.3M
80 · 19 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-917,549
64 · 25 Exit · ≈
⚖️ Net
+421,026
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$111.6M
Institutions
134
New Buys
19
Adds
61
Reduces
39
Exits
25
Unchanged
15
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
<0.01%<0.01%#60$17.6M1.7M$18.3M1.7M+42,992+2.56%Add
RENAISSANCE TECHNOLOGIES LLC
0.02%0.02%#14$11.8M1.1M$13.8M1.3M-113,000-8.96%Reduce
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#68$8.9M872,359$9.4M859,530+12,829+1.49%Add
DIMENSIONAL FUND ADVISORS LP
<0.01%<0.01%#34$7.3M717,616$7.8M715,869+1,747+0.24%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#54$6.1M595,842$5.9M545,718+50,124+9.18%Add
STATE STREET CORP
<0.01%<0.01%#71$4.8M471,584$5.0M461,790+9,794+2.12%Add
HighTower Advisors, LLC
<0.01%<0.01%#26$3.5M339,892$4.2M381,815-41,923-10.98%Reduce
Qube Research & Technologies Ltd
<0.01%<0.01%#29$2.9M287,617$1.9M172,057+115,560+67.16%Add
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#61$2.9M281,980$2.4M219,581+62,399+28.42%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#74$2.8M273,278$2.9M265,028+8,250+3.11%Add
Bank of New York Mellon Corp
<0.01%<0.01%#52$2.4M234,112$2.4M217,803+16,309+7.49%Add
NORTHERN TRUST CORP
<0.01%<0.01%#59$2.3M222,895$2.4M216,543+6,352+2.93%Add
Uniplan Investment Counsel, Inc.
0.17%0.23%#2$2.2M215,764$2.3M209,602+6,162+2.94%Add
CSM Advisors, LLC
0.05%0.06%#7$2.2M212,910$2.3M213,130-220-0.10%Reduce
UNITED CAPITAL FINANCIAL ADVISORS, LLC
0.01%0.01%#17$2.0M194,815$1.1M104,723+90,092+86.03%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#65$1.9M183,447$193,74817,775+165,672+932.05%Add
MORGAN STANLEY
<0.01%<0.01%#79$1.7M166,575$2.5M144,063+22,512+15.63%Add
JACOBS LEVY EQUITY MANAGEMENT, INC
0.01%0.01%#23$1.6M160,312$1.3M116,810+43,502+37.24%Add
GSA CAPITAL PARTNERS LLP
0.1%0.06%#3$1.5M150,124$935,00085,824+64,300+74.92%Add
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#55$1.4M136,898$1.4M129,248+7,650+5.92%Add
D. E. Shaw & Co., Inc.
<0.01%<0.01%#43$1.3M130,163$975,01589,451+40,712+45.51%Add
Connor, Clark & Lunn Investment Management Ltd.
<0.01%<0.01%#32$1.1M107,475$1.6M144,851-37,376-25.80%Reduce
PANAGORA ASSET MANAGEMENT INC
<0.01%<0.01%#27$952,62793,030$853,41578,295+14,735+18.82%Add
North Star Investment Management Corp.
0.05%0.08%#5$921,60090,000$1.3M122,000-32,000-26.23%Reduce
FMR LLC
<0.01%<0.01%#99$913,00589,161$163,81915,029+74,132+493.26%Add
FIDELIS CAPITAL PARTNERS, LLC
0.04%0.06%#8$768,73775,072$817,51175,001+71+0.09%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#78$715,33669,857$610,78256,035+13,822+24.67%Add
FIRST TRUST ADVISORS LP
<0.01%<0.01%#50$709,84769,321$713,92865,498+3,823+5.84%Add
JPMORGAN CHASE & CO
<0.01%<0.01%#101$686,07465,653$783,34969,693-4,040-5.80%Reduce
Quantinno Capital Management LP
<0.01%<0.01%#41$651,27063,600$285,04026,150+37,450+143.21%Add
Caption Management, LLC
<0.01%#28$614,40060,000$00+60,000New Buy
Man Group plc
<0.01%<0.01%#36$590,97157,712$526,74348,325+9,387+19.42%Add
VICTORY CAPITAL MANAGEMENT INC
<0.01%<0.01%#53$588,90257,510$466,69442,816+14,694+34.32%Add
Keebeck Wealth Management
0.05%0.06%#6$512,00050,000$545,00050,00000.00%Unchanged
Nuveen, LLC
<0.01%<0.01%#75$505,93849,408$799,36373,336-23,928-32.63%Reduce
Campbell & CO Investment Adviser LLC
0.03%0.03%#12$492,37048,083$554,47250,869-2,786-5.48%Reduce
Numerai GP LLC
0.04%0.08%#10$473,32446,223$752,27469,016-22,793-33.03%Reduce
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#70$460,66944,987$470,13943,132+1,855+4.30%Add
Atom Investors LP
0.04%#9$453,51944,289$00+44,289New Buy
AMERICAN CENTURY COMPANIES INC
<0.01%<0.01%#67$435,09842,490$472,71143,368-878-2.02%Reduce
Trexquant Investment LP
<0.01%0.01%#31$401,24439,184$1.4M128,856-89,672-69.59%Reduce
AMERIPRISE FINANCIAL INC
<0.01%<0.01%#82$399,50339,014$184,00316,881+22,133+131.11%Add
Russell Investments Group, Ltd.
<0.01%<0.01%#56$397,31638,801$85,5757,851+30,950+394.22%Add
Invesco Ltd.
<0.01%<0.01%#106$356,27034,792$332,17830,475+4,317+14.17%Add
BRIDGEWAY CAPITAL MANAGEMENT, LLC
0.01%0.01%#22$354,30434,600$289,94026,600+8,000+30.08%Add
RHUMBLINE ADVISERS
<0.01%<0.01%#62$322,91131,535$340,00631,194+341+1.09%Add
UBS Group AG
<0.01%<0.01%#98$313,06830,573$316,29629,018+1,555+5.36%Add
ALLIANCEBERNSTEIN L.P.
<0.01%<0.01%#77$303,67427,860$371,43028,160-300-1.07%Reduce
EntryPoint Capital, LLC
0.07%0.05%#4$295,44428,852$161,86514,850+14,002+94.29%Add
WELLS FARGO & COMPANY/MN
<0.01%<0.01%#93$290,22628,343$207,00018,991+9,352+49.24%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow