Spok HoldingsSPOK
13F holders, Q2 2025 (June 30)130holders +6
22new positions
18sold out
6famous investors
$17.68avg. 13F price*
At the end of Q2 2025, 130 institutions reported holding Spok Holdings Inc. (SPOK) in their 13F filings, up 6 from Q1 2025. 22 opened new positions and 18 sold out. The largest holders were BlackRock, Inc. ($30.5M), Vanguard Group Inc. ($20.3M) and Renaissance Technologies ($18.7M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Spok Holdings Inc.
- Filed as
- SPOK HLDGS INC (Q2 2025)
- CUSIP
- 84863T106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 22 | $10.5M |
| Exits | 18 | $3.9M |
All 13F filers, Q1 2025 → Q2 2025: 1,437,862 shares bought and 642,074 shares sold, net +795,788 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 130 holders
| BlackRock, Inc. | 0.00% | Add +11.7% | 1,722,874 | $30.5M |
| Vanguard Group Inc. | 0.00% | Add +12.6% | 1,148,536 | $20.3M |
| Renaissance Technologies | 0.02% | Add +3.6% | 1,056,650 | $18.7M |
| Dimensional Fund Advisors LP | 0.00% | Add +1.6% | 710,890 | $12.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +1.6% | 529,886 | $9.4M |
| Geode Capital Management, LLC | 0.00% | Add +6.1% | 518,327 | $9.2M |
| HighTower Advisors, LLC | 0.01% | Reduce -13.4% | 452,809 | $8.0M |
| State Street Corp. | 0.00% | Add +1.8% | 445,177 | $7.9M |
| Acadian Asset Management LLC | 0.01% | Add +3.5% | 390,009 | $6.9M |
| CSM Advisors, LLC | 0.18% | New | 349,185 | $6.2M |
| Northern Trust Corp. | 0.00% | Add +12.1% | 243,003 | $4.3M |
| JPMorgan Chase & Co. | 0.00% | Add +12.6% | 224,053 | $4.0M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +41.6% | 198,978 | $3.5M |
| Bank of New York Mellon Corp | 0.00% | Add +2.8% | 195,507 | $3.5M |
| Uniplan Investment Counsel, Inc. | 0.35% | Reduce -8.3% | 188,228 | $3.3M |
| Morgan Stanley | 0.00% | Reduce -9.6% | 152,423 | $2.7M |
| Prelude Capital Management, LLC | 0.26% | Reduce -3.1% | 148,185 | $2.6M |
| Qube Research & Technologies Ltd | 0.00% | Add +16.6% | 145,818 | $2.6M |
| North Star Investment Management Corp. | 0.15% | No change | 122,000 | $2.2M |
| Trexquant Investment LP | 0.02% | Reduce -22.2% | 111,481 | $2.0M |
| Two Sigma Investments, LP | 0.00% | Add +70.4% | 108,769 | $1.9M |
| Two Sigma Advisers, LP | 0.00% | Add +18.4% | 78,500 | $1.4M |
| Nuveen, LLC | 0.00% | Reduce -10.5% | 72,818 | $1.3M |
| Lazard Asset Management LLC | 0.00% | Add +8427.8% | 66,261 | $1.2M |
| Citadel Advisors | 0.00% | Reduce -57.6% | 65,417 | $1.2M |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -30.9% | 64,667 | $1.1M |
| Los Angeles Capital Management LLC | 0.00% | Add +125.1% | 63,810 | $1.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +10.2% | 60,930 | $1.1M |
| Hennion & Walsh Asset Management, Inc. | 0.04% | Reduce -4.4% | 51,678 | $914K |
| Inspire Investing, LLC | 0.10% | Add +6.0% | 51,504 | $911K |
| Prudential Financial Inc. | 0.00% | Reduce -41.0% | 49,640 | $878K |
| Bank of America Corp. | 0.00% | Add +121.3% | 46,737 | $826K |
| Barclays PLC | 0.00% | Add +84.6% | 43,897 | $776K |
| Keebeck Wealth Management | 0.09% | Reduce -20.0% | 40,000 | $707K |
| Millennium Management | 0.00% | Reduce -18.1% | 39,728 | $702K |
| American Century Companies Inc. | 0.00% | Add +15.0% | 39,225 | $693K |
| Cubist Systematic Strategies, LLC | 0.01% | Add +6.5% | 38,964 | $689K |
| UBS Group AG | 0.00% | Add +19.8% | 36,954 | $653K |
| Rhumbline Advisers | 0.00% | Add +5.4% | 34,805 | $615K |
| Panagora Asset Management Inc. | 0.00% | Reduce -0.2% | 33,789 | $597K |
| Invesco Ltd. | 0.00% | Reduce -11.6% | 33,672 | $595K |
| Marshall Wace, LLP | 0.00% | Reduce -37.9% | 33,075 | $585K |
| AQR Capital Management | 0.00% | Add +94.7% | 32,054 | $567K |
| Walleye Capital LLC | 0.01% | New | 30,344 | $536K |
| HSBC Holdings PLC | 0.00% | New | 30,026 | $525K |
| Ameriprise Financial Inc. | 0.00% | Reduce -9.9% | 27,721 | $490K |
| Susquehanna International Group, LLP | 0.00% | Add +5.6% | 27,103 | $479K |
| Man Group plc | 0.00% | Reduce -3.3% | 26,335 | $466K |
| Segall Bryant & Hamill, LLC | 0.01% | New | 25,806 | $456K |
| State of Wyoming | 0.05% | Add +284.8% | 25,016 | $442K |
| Martingale Asset Management L P | 0.01% | Add +27.8% | 24,942 | $441K |
| Stifel Financial Corp. | 0.00% | Add +0.9% | 23,191 | $410K |
| Significant Wealth Partners LLC | 0.20% | Add +4.5% | 23,172 | $410K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 22,229 | $393K |
| Royal Bank of Canada | 0.00% | Reduce -7.1% | 21,994 | $389K |
| Engineers Gate Manager LP | 0.00% | Reduce -18.4% | 21,958 | $388K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -39.8% | 20,163 | $356K |
| Wells Fargo & Company | 0.00% | Reduce -14.4% | 20,043 | $354K |
| &partners | 0.00% | New | 20,000 | $354K |
| Alliancebernstein L.P. | 0.00% | Add +84.5% | 18,560 | $328K |
| Magnetar Financial LLC | 0.00% | New | 18,480 | $327K |
| FMR LLC | 0.00% | Reduce -10.0% | 17,400 | $308K |
| R Squared Ltd | 0.17% | New | 17,397 | $308K |
| Hillsdale Investment Management Inc. | 0.01% | New | 16,500 | $292K |
| Financial Advocates Investment Management | 0.02% | Reduce -3.0% | 15,867 | $281K |
| Truvestments Capital LLC | 0.05% | Reduce -24.9% | 15,379 | $272K |
| D. E. Shaw & Co. | 0.00% | New | 14,499 | $256K |
| WINTON GROUP Ltd | 0.01% | New | 14,213 | $251K |
| Deutsche Bank AG | 0.00% | Reduce -23.2% | 13,392 | $237K |
| Intech Investment Management LLC | 0.00% | New | 12,516 | $221K |
| GMO | 0.00% | No change | 12,307 | $218K |
| Cerity Partners LLC | 0.00% | Add +1.1% | 12,066 | $213K |
| MetLife Investment Management, LLC | 0.00% | Add +13.2% | 11,696 | $207K |
| AlphaQuest LLC | 0.02% | Reduce -10.9% | 11,342 | $201K |
| Occudo Quantitative Strategies LP | 0.02% | Reduce -36.0% | 11,215 | $198K |
| New Age Alpha Advisors, LLC | 0.01% | Add +5.0% | 11,156 | $197K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.7% | 11,154 | $197K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 10,673 | $189K |
| Virtus Investment Advisers, LLC | 0.06% | Add +9.3% | 10,267 | $182K |
| T. Rowe Price Associates Inc. | 0.00% | New | 10,202 | $181K |
| Raymond James Financial Inc. | 0.00% | New | 8,832 | $156K |
| New York State Common Retirement Fund | 0.00% | No change | 7,450 | $132K |
| Citigroup Inc. | 0.00% | Reduce -49.9% | 6,897 | $122K |
| Legal & General Group Plc | 0.00% | Add +2.1% | 5,665 | $100K |
| BNP Paribas Financial Markets | 0.00% | Add +345.3% | 4,872 | $86K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 4,304 | $76K |
| Osaic Holdings, Inc. | 0.00% | Add +2.5% | 3,617 | $64K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +319.7% | 2,774 | $49K |
| Russell Investments Group, Ltd. | 0.00% | Add +40.0% | 2,613 | $46K |
| US Bancorp \de | 0.00% | Reduce -9.0% | 2,539 | $45K |
| Caption Management, LLC | 0.00% | New | 2,532 | $45K |
| SBI Securities Co., Ltd. | 0.00% | Add +14.4% | 2,516 | $44K |
| Cwm, LLC | 0.00% | Add +31.2% | 2,287 | $40K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +41.7% | 2,080 | $37K |
| Larson Financial Group LLC | 0.00% | No change | 2,000 | $35K |
| Hager Investment Management Services, LLC | 0.02% | No change | 1,498 | $26K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +18.8% | 1,457 | $26K |
| McIlrath & Eck, LLC | 0.00% | No change | 1,451 | $26K |
| Signaturefd, LLC | 0.00% | Add +339.9% | 1,421 | $25K |
| RMG Wealth Management LLC | 0.00% | — | 1,304 | $23K |
"% of holder's portfolio" is SPOK's weight in each manager's 13F, not the share of Spok Holdings Inc. the manager owns.