Security key
84863T106
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 20,597,466
- Total 13F shares
- 11,050,991
- Share change
- -360,492
- Total reported value
- $145,830,785
- Put/Call ratio
- 80%
- Price per share
- $13.19
- Number of holders
- 133
- Value change
- -$6,899,460
- Number of buys
- 59
- Number of sells
- 81
Report period
Q4 2025
Institutions
133
Top holders
10
SPOK full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Spok Holdings, Inc SEC filings
Spok Holdings, Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 84863T106
Recent filing periods:
Top shareholders of SPOK - Spok Holdings, Inc - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC |
13F
13D/G
|
Company |
5.1%
from 13D/G
|
1,172,550
|
$20,226,488 | — | 30 Sep 2025 | |
| BlackRock, Inc. |
13F
|
Company |
9.4%
|
1,935,262
|
$33,383,270 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.6%
|
1,154,631
|
$19,917,386 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
3.5%
|
719,050
|
$12,403,870 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.9%
|
601,226
|
$10,373,296 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.2%
|
457,428
|
$7,890,633 | — | 30 Sep 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
2.1%
|
428,060
|
$7,383,000 | — | 30 Sep 2025 | |
| HighTower Advisors, LLC |
13F
|
Company |
2%
|
408,011
|
$7,038,185 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.9%
|
395,900
|
$6,829,283 | — | 30 Sep 2025 | |
| CSM Advisors, LLC |
13F
|
Company |
1.6%
|
334,345
|
$5,766,000 | — | 30 Sep 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
1.3%
|
258,284
|
$4,455,399 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.2%
|
240,986
|
$4,157,010 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.95%
|
195,911
|
$3,379,473 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.82%
|
169,231
|
$2,919,235 | — | 30 Sep 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.79%
|
161,975
|
$2,794,069 | — | 30 Sep 2025 | |
| Uniplan Investment Counsel, Inc. |
13F
|
Company |
0.78%
|
161,242
|
$2,781,436 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.7%
|
144,063
|
$2,485,095 | — | 30 Sep 2025 | |
| North Star Investment Management Corp. |
13F
|
Company |
0.59%
|
122,000
|
$2,104,500 | — | 30 Sep 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.56%
|
114,533
|
$1,975,694 | — | 30 Sep 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.43%
|
88,869
|
$1,532,990 | — | 30 Sep 2025 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
0.39%
|
80,885
|
$1,395,266 | — | 30 Sep 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.36%
|
74,403
|
$1,283,452 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.35%
|
72,818
|
$1,256,110 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.33%
|
67,800
|
$1,169,550 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.32%
|
66,804
|
$1,152,370 | — | 30 Sep 2025 | |
| LOS ANGELES CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.32%
|
65,685
|
$1,133,066 | — | 30 Sep 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.31%
|
64,164
|
$1,106,829 | — | 30 Sep 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.31%
|
63,519
|
$1,095,702 | — | 30 Sep 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.3%
|
61,226
|
$1,056,149 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.3%
|
61,103
|
$1,054,027 | — | 30 Sep 2025 | |
| Inspire Investing, LLC |
13F
|
Company |
0.29%
|
60,695
|
$1,046,989 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.29%
|
59,416
|
$1,024,926 | — | 30 Sep 2025 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.26%
|
54,069
|
$934,312 | — | 30 Sep 2025 | |
| Hennion & Walsh Asset Management, Inc. |
13F
|
Company |
0.24%
|
49,938
|
$861,430 | — | 30 Sep 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.21%
|
43,407
|
$748,771 | — | 30 Sep 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.21%
|
43,280
|
$746,574 | — | 30 Sep 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.2%
|
42,207
|
$728,073 | — | 30 Sep 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.2%
|
40,542
|
$699,350 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.19%
|
40,100
|
$691,725 | — | 30 Sep 2025 | |
| Keebeck Wealth Management |
13F
|
Company |
0.19%
|
40,000
|
$690,000 | — | 30 Sep 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.19%
|
39,963
|
$689,355 | — | 30 Sep 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.17%
|
35,856
|
$618,516 | — | 30 Sep 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.17%
|
35,540
|
$613,065 | — | 30 Sep 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.17%
|
34,084
|
$587,951 | — | 30 Sep 2025 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.16%
|
33,983
|
$586,210 | — | 30 Sep 2025 | |
| Engineers Gate Manager LP |
13F
|
Company |
0.16%
|
33,252
|
$573,598 | — | 30 Sep 2025 | |
| MARTINGALE ASSET MANAGEMENT L P |
13F
|
Company |
0.16%
|
32,876
|
$567,111 | — | 30 Sep 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.16%
|
32,784
|
$565,525 | — | 30 Sep 2025 | |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM |
13F
|
Company |
0.15%
|
31,714
|
$547,067 | — | 30 Sep 2025 | |
| Campbell & CO Investment Adviser LLC |
13F
|
Company |
0.14%
|
29,534
|
$509,462 | — | 30 Sep 2025 |
Institutional Holders of Spok Holdings, Inc - Common Stock (SPOK) as of Q4 2025
As of 31 Dec 2025,
Spok Holdings, Inc - Common Stock (SPOK) was held by
133 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
11,050,991 shares.
The largest 10 holders included
BlackRock, Inc., RENAISSANCE TECHNOLOGIES LLC, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, GEODE CAPITAL MANAGEMENT, LLC, STATE STREET CORP, HighTower Advisors, LLC, GOLDMAN SACHS GROUP INC, ACADIAN ASSET MANAGEMENT LLC, and CSM Advisors, LLC.
This page lists
133
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
142
Q4 2025 holders
133
Holder diff
-9
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.