- Type / Class
- Equity / Common Stock
- Shares outstanding
- 20,597,466
- Total 13F shares
- 10,185,160
- Share change
- +500,919
- Total reported value
- $135,386,811
- Put/Call ratio
- 6972%
- Price per share
- $13.29
- Number of holders
- 87
- Value change
- +$9,262,997
- Number of buys
- 45
- Number of sells
- 51
Quarterly Holders Quick Answers
What is CUSIP 84863T106?
CUSIP 84863T106 identifies SPOK - Spok Holdings, Inc - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
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These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
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Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 84863T106:
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 by the holder's primary source 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
|
Company |
5.9%
|
1,216,022
|
$12,318,000 | — | 31 Mar 2023 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
4.2%
|
857,479
|
$8,686,126 | — | 31 Mar 2023 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.2%
|
857,215
|
$8,683,588 | — | 31 Mar 2023 | |
| HighTower Advisors, LLC |
13F
|
Company |
2.7%
|
555,356
|
$5,624,000 | — | 31 Mar 2023 | |
| Foundry Partners, LLC |
13F
|
Company |
2.6%
|
535,980
|
$5,429,477 | — | 31 Mar 2023 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
2.3%
|
465,113
|
$4,712,000 | — | 31 Mar 2023 | |
| BlackRock Finance, Inc. |
13F
|
Company |
2.1%
|
422,665
|
$4,281,596 | — | 31 Mar 2023 | |
| Penn Mutual Asset Management |
13F
|
Company |
1.9%
|
381,260
|
$3,862,164 | — | 31 Mar 2023 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.6%
|
328,534
|
$3,328,049 | — | 31 Mar 2023 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
1.3%
|
268,800
|
$2,722,944 | — | 31 Mar 2023 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
1.3%
|
259,273
|
$2,626,435 | — | 31 Mar 2023 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
1.2%
|
243,815
|
$2,469,846 | — | 31 Mar 2023 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.94%
|
193,293
|
$1,958,061 | — | 31 Mar 2023 | |
| PRELUDE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.9%
|
185,822
|
$1,882,377 | — | 31 Mar 2023 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.88%
|
181,875
|
$1,842,395 | — | 31 Mar 2023 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.88%
|
180,912
|
$1,832,639 | — | 31 Mar 2023 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.88%
|
180,424
|
$1,827,695 | — | 31 Mar 2023 | |
| PCG Wealth Advisors, LLC |
13F
|
Company |
0.79%
|
162,471
|
$1,645,833 | — | 31 Mar 2023 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.75%
|
153,928
|
$1,559,000 | — | 31 Mar 2023 | |
| Brian Oreilly |
3/4/5
|
Director |
—
mixed-class rows
|
102,255
mixed-class rows
|
$1,555,237 | — | 20 Jul 2021 | |
| Matthew Oristano |
3/4/5
|
Director |
—
class O/S missing
|
82,340
|
$1,274,623 | — | 26 Jul 2022 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.58%
|
119,249
|
$1,207,992 | — | 31 Mar 2023 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.57%
|
116,775
|
$1,182,931 | — | 31 Mar 2023 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.55%
|
114,082
|
$1,155,647 | — | 31 Mar 2023 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.53%
|
109,059
|
$1,104,768 | — | 31 Mar 2023 | |
| Royce Yudkoff |
3/4/5
|
Director |
—
class O/S missing
|
68,125
|
$1,054,575 | — | 26 Jul 2022 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.48%
|
98,586
|
$998,677 | — | 31 Mar 2023 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.47%
|
96,116
|
$973,655 | — | 31 Mar 2023 | |
| Trexquant Investment LP |
13F
|
Company |
0.46%
|
94,898
|
$961,317 | — | 31 Mar 2023 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.37%
|
75,687
|
$767,000 | — | 31 Mar 2023 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.36%
|
73,801
|
$747,604 | — | 31 Mar 2023 | |
| STATE STREET CORP |
13F
|
Company |
0.33%
|
68,354
|
$692,426 | — | 31 Mar 2023 | |
| MORGAN STANLEY |
13F
|
Company |
0.33%
|
67,024
|
$678,954 | — | 31 Mar 2023 | |
| BARCLAYS PLC |
13F
|
Company |
0.3%
|
62,647
|
$634,614 | — | 31 Mar 2023 | |
| Nathaniel Blair Butterfield |
3/4/5
|
Director |
—
class O/S missing
|
40,550
|
$627,714 | — | 26 Jul 2022 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.28%
|
58,406
|
$591,653 | — | 31 Mar 2023 | |
| Formidable Asset Management, LLC |
13F
|
Company |
0.27%
|
56,430
|
$572,000 | — | 31 Mar 2023 | |
| Tidal Investments LLC |
13F
|
Company |
0.27%
|
56,430
|
$572,000 | — | 31 Mar 2023 | |
| Stacia Hylton |
3/4/5
|
Director |
—
class O/S missing
|
33,359
|
$516,397 | — | 26 Jul 2022 | |
| Grantham, Mayo, Van Otterloo & Co. LLC |
13F
|
Company |
0.21%
|
43,978
|
$445,497 | — | 31 Mar 2023 | |
| Engineers Gate Manager LP |
13F
|
Company |
0.19%
|
39,996
|
$405,159 | — | 31 Mar 2023 | |
| CITIGROUP INC |
13F
|
Company |
0.19%
|
39,712
|
$402,283 | — | 31 Mar 2023 | |
| Invesco Ltd. |
13F
|
Company |
0.19%
|
39,335
|
$398,464 | — | 31 Mar 2023 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.18%
|
36,300
|
$367,719 | — | 31 Mar 2023 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.17%
|
34,287
|
$347,000 | — | 31 Mar 2023 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.16%
|
32,195
|
$326,135 | — | 31 Mar 2023 | |
| OCCUDO QUANTITATIVE STRATEGIES LP |
13F
|
Company |
0.15%
|
31,491
|
$319,004 | — | 31 Mar 2023 | |
| BAILARD, INC. |
13F
|
Company |
0.13%
|
27,079
|
$274,310 | — | 31 Mar 2023 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.12%
|
25,658
|
$260,000 | — | 31 Mar 2023 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.12%
|
24,166
|
$244,802 | — | 31 Mar 2023 |
Institutional Holders of Spok Holdings, Inc - Common Stock (SPOK) as of Q2 2023
As of 30 Jun 2023,
Spok Holdings, Inc - Common Stock (SPOK) was held by
87 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
10,185,160 shares.
The largest 10 holders included
BlackRock Inc., RENAISSANCE TECHNOLOGIES LLC, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, HighTower Advisors, LLC, Foundry Partners, LLC, GEODE CAPITAL MANAGEMENT, LLC, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP, TWO SIGMA INVESTMENTS, LP, and TWO SIGMA ADVISERS, LP.
This page lists
87
institutional shareholders reporting positions in this security
for the Q2 2023 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2023 vs Q1 2023 Across Filers
Q1 2023 holders
82
Q2 2023 holders
87
Holder diff
5
| Investor | Q1 2023 Shares | Q2 2023 Shares | Share Diff | Share Chg % | Q1 2023 Value $ | Q2 2023 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.