Spok Holdings, Inc. 13F holders
132 funds reported a position in Spok Holdings, Inc. in their 13F for the quarter ended 30 June 2026, together 10.8 million shares worth $110.9 million. Against the quarter before, 18 opened a position, 58 added, 39 trimmed and 23 sold out; together they bought a net 341,787 shares. The largest holders: BlackRock, Inc., Renaissance Technologies LLC and Vanguard Capital Management LLC.
What each fund did in SPOK against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in SPOK in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 23 reported a position in Spok Holdings, Inc.: 3 opened one, 10 added, 4 trimmed and 5 sold out, a net 567 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 7 reported a position in Spok Holdings, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Renaissance Technologies, 1.1 million shares worth $11.8 million, 0.0% of its reported book. In the quarter, 4 funds added or opened a position and 3 trimmed or sold out; together they bought a net 94,881 shares, about $971,581 at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Renaissance Technologies | 1,148,579 | $11.8 million | 0.0% | -113,000 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 595,842 | $6.1 million | 0.0% | +50,124 | added | 30 June 2026 | 13F |
| Citadel Advisors | 183,447 | $1.9 million | 0.0% | +165,672 | added | 30 June 2026 | 13F |
| FMR LLC | 89,161 | $913,005 | 0.0% | +74,132 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 23,150 | $237,056 | 0.0% | +3,250 | added | 30 June 2026 | 13F |
| Millennium Management | 22,380 | $229,171 | 0.0% | -14,775 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 19,105 | $195,635 | 0.0% | -70,522 | trimmed | 30 June 2026 | 13F |
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 1,719,219 | 15.88% | $17.6 million | 0.00% | +42,992 | 13F |
| Renaissance Technologies LLC | 1,148,579 | 10.61% | $11.8 million | 0.02% | -113,000 | 13F |
| Vanguard Capital Management LLC | 872,359 | 8.06% | $8.9 million | 0.00% | +12,829 | 13F |
| Dimensional Fund Advisors LP | 717,616 | 6.63% | $7.3 million | 0.00% | +1,747 | 13F |
| Geode Capital Management, LLC | 595,842 | 5.50% | $6.1 million | 0.00% | +50,124 | 13F |
| State Street Corp. | 471,584 | 4.36% | $4.8 million | 0.00% | +9,794 | 13F |
| HighTower Advisors, LLC | 339,892 | 3.14% | $3.5 million | 0.00% | -41,923 | 13F |
| Qube Research & Technologies Ltd | 287,617 | 2.66% | $2.9 million | 0.00% | +115,560 | 13F |
| Goldman Sachs Group Inc. | 281,980 | 2.60% | $2.9 million | 0.00% | +62,399 | 13F |
| Vanguard Portfolio Management LLC | 273,278 | 2.52% | $2.8 million | 0.00% | +8,250 | 13F |
| Bank of New York Mellon Corp | 234,112 | 2.16% | $2.4 million | 0.00% | +16,309 | 13F |
| Northern Trust Corp. | 222,895 | 2.06% | $2.3 million | 0.00% | +6,352 | 13F |
| Uniplan Investment Counsel, Inc. | 215,764 | 1.99% | $2.2 million | 0.21% | +6,162 | 13F |
| CSM Advisors, LLC | 212,910 | 1.97% | $2.2 million | 0.05% | -220 | 13F |
| United Capital Financial Advisors, LLC | 194,815 | 1.80% | $2.0 million | 0.01% | +90,092 | 13F |
| Citadel Advisors LLC | 183,447 | 1.69% | $1.9 million | 0.00% | +165,672 | 13F |
| Morgan Stanley | 166,575 | 1.54% | $1.7 million | 0.00% | +6,749 | 13F |
| Jacobs Levy Equity Management, Inc. | 160,312 | 1.48% | $1.6 million | 0.01% | +43,502 | 13F |
| Gsa Capital Partners LLP | 150,124 | 1.39% | $1.5 million | 0.10% | +64,300 | 13F |
| Vanguard Fiduciary Trust Co. | 136,898 | 1.26% | $1.4 million | 0.00% | +7,650 | 13F |
| D. E. Shaw & Co., Inc. | 130,163 | 1.20% | $1.3 million | 0.00% | +40,712 | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 107,475 | 0.99% | $1.1 million | 0.00% | -37,376 | 13F |
| Panagora Asset Management Inc. | 93,030 | 0.86% | $952,627 | 0.00% | +14,735 | 13F |
| North Star Investment Management Corp. | 90,000 | 0.83% | $921,600 | 0.05% | -32,000 | 13F |
| FMR LLC | 89,161 | 0.82% | $913,005 | 0.00% | +74,132 | 13F |
| Fidelis Capital Partners, LLC | 75,072 | 0.69% | $768,737 | 0.04% | +71 | 13F |
| Charles Schwab Investment Management Inc. | 69,857 | 0.65% | $715,336 | 0.00% | +13,822 | 13F |
| First Trust Advisors LP | 69,321 | 0.64% | $709,847 | 0.00% | +3,823 | 13F |
| JPMorgan Chase & Co. | 65,653 | 0.61% | $686,074 | 0.00% | -4,040 | 13F |
| Quantinno Capital Management LP | 63,600 | 0.59% | $651,270 | 0.00% | +37,450 | 13F |
| Man Group plc | 57,712 | 0.53% | $590,971 | 0.00% | +9,387 | 13F |
| Victory Capital Management Inc. | 57,510 | 0.53% | $588,902 | 0.00% | +14,694 | 13F |
| Keebeck Wealth Management | 50,000 | 0.46% | $512,000 | 0.05% | no change | 13F |
| Nuveen, LLC | 49,408 | 0.46% | $505,938 | 0.00% | -23,928 | 13F |
| Campbell & CO Investment Adviser LLC | 48,083 | 0.44% | $492,370 | 0.03% | -2,786 | 13F |
| Numerai GP LLC | 46,223 | 0.43% | $473,324 | 0.04% | -22,793 | 13F |
| AQR Capital Management LLC | 44,987 | 0.42% | $460,669 | 0.00% | +1,855 | 13F |
| Atom Investors LP | 44,289 | 0.41% | $453,519 | 0.04% | new | 13F |
| American Century Companies Inc. | 42,490 | 0.39% | $435,098 | 0.00% | -878 | 13F |
| Trexquant Investment LP | 39,184 | 0.36% | $401,244 | 0.00% | -89,672 | 13F |
| Ameriprise Financial Inc. | 39,014 | 0.36% | $399,503 | 0.00% | +22,133 | 13F |
| Russell Investments Group, Ltd. | 38,801 | 0.36% | $397,316 | 0.00% | +30,950 | 13F |
| Invesco Ltd. | 34,792 | 0.32% | $356,270 | 0.00% | +4,317 | 13F |
| Bridgeway Capital Management, LLC | 34,600 | 0.32% | $354,304 | 0.01% | +8,000 | 13F |
| Rhumbline Advisers | 31,535 | 0.29% | $322,911 | 0.00% | +341 | 13F |
| UBS Group AG | 30,573 | 0.28% | $313,068 | 0.00% | +1,555 | 13F |
| AllianceBernstein L.P. | 27,860 | 0.26% | $303,674 | 0.00% | -300 | 13F |
| EntryPoint Capital, LLC | 28,852 | 0.27% | $295,444 | 0.07% | +14,002 | 13F |
| Wells Fargo & Company | 28,343 | 0.26% | $290,226 | 0.00% | +9,352 | 13F |
| Guggenheim Capital LLC | 27,026 | 0.25% | $276,746 | 0.00% | new | 13F |
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |