California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Spok Holdings SPOK Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio SPOK Stock Details SPOK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$12K Sell
1,102
-150
-12% -$1.91K ﹤0.01% 2613
2025
Q4 		$16.5K Sell
1,252
-17
-1% -$241 ﹤0.01% 2595
2025
Q3 		$21.9K Buy
+1,269
New +$22.6K ﹤0.01% 2529
2025
Q2 		– Sell
-1,325
Closed -$21.8K – 3163
2025
Q1 		$21.8K Hold
1,325
– – ﹤0.01% 2503
2024
Q4 		$21.3K Hold
1,325
– – ﹤0.01% 2582
2024
Q3 		$20K Hold
1,325
– – ﹤0.01% 2606
2024
Q2 		$19.6K Sell
1,325
-462
-26% -$6.97K ﹤0.01% 2602
2024
Q1 		$28.5K Sell
1,787
-1,139
-39% -$18.7K ﹤0.01% 2598
2023
Q4 		$45.3K Sell
2,926
-997
-25% -$15.3K ﹤0.01% 2630
2023
Q3 		$56K Sell
3,923
-1,991
-34% -$26.7K ﹤0.01% 2672
2023
Q2 		$78.6K Buy
+5,914
New +$74.2K ﹤0.01% 2734
2021
Q2 		– Sell
-26,685
Closed -$280K – 3231
2021
Q1 		$280K Sell
26,685
-759
-3% -$8.69K ﹤0.01% 2765
2020
Q4 		$305K Hold
27,444
– – ﹤0.01% 2654
2020
Q3 		$261K Hold
27,444
– – ﹤0.01% 2601
2020
Q2 		$257K Hold
27,444
– – ﹤0.01% 2589
2020
Q1 		$293K Buy
27,444
+313
+1% +$3.36K ﹤0.01% 2360
2019
Q4 		$332K Sell
27,131
-458
-2% -$5.41K ﹤0.01% 2561
2019
Q3 		$329K Hold
27,589
– – ﹤0.01% 2550
2019
Q2 		$415K Sell
27,589
-440
-2% -$6.53K ﹤0.01% 2469
2019
Q1 		$382K Sell
28,029
-1,032
-4% -$14.3K ﹤0.01% 2445
2018
Q4 		$385K Buy
29,061
+1,395
+5% +$20.1K ﹤0.01% 2442
2018
Q3 		$426K Sell
27,666
-949
-3% -$14.3K ﹤0.01% 2538
2018
Q2 		$431K Sell
28,615
-1,728
-6% -$26K ﹤0.01% 2534
2018
Q1 		$454K Sell
30,343
-959
-3% -$14.5K ﹤0.01% 2421
2017
Q4 		$490K Sell
31,302
-384
-1% -$6.44K ﹤0.01% 2419
2017
Q3 		$486K Sell
31,686
-4,451
-12% -$72.7K ﹤0.01% 2430
2017
Q2 		$640K Sell
36,137
-4,200
-10% -$75.2K ﹤0.01% 2339
2017
Q1 		$766K Sell
40,337
-1,900
-4% -$36.9K ﹤0.01% 2237
2016
Q4 		$876K Sell
42,237
-1,100
-3% -$20.4K ﹤0.01% 2190
2016
Q3 		$772K Buy
43,337
+400
+0.9% +$7.2K ﹤0.01% 2249
2016
Q2 		$823K Sell
42,937
-900
-2% -$15.7K ﹤0.01% 2162
2016
Q1 		$768K Buy
43,837
+3,524
+9% +$59.9K ﹤0.01% 2169
2015
Q4 		$739K Buy
40,313
+700
+2% +$12.4K ﹤0.01% 2182
2015
Q3 		$652K Sell
39,613
-100
-0.3% -$1.66K ﹤0.01% 2244
2015
Q2 		$669K Buy
39,713
+128
+0.3% +$2.34K ﹤0.01% 2373
2015
Q1 		$759K Sell
39,585
-600
-1% -$11K ﹤0.01% 2189
2014
Q4 		$698K Buy
40,185
+171
+0.4% +$2.67K ﹤0.01% 2288
2014
Q3 		$521K Buy
40,014
+427
+1% +$6.35K ﹤0.01% 2420
2014
Q2 		$610K Buy
39,587
+200
+0.5% +$3.19K ﹤0.01% 2384
2014
Q1 		$716K Buy
39,387
+300
+0.8% +$4.46K ﹤0.01% 2198
2013
Q4 		$558K Buy
39,087
+200
+0.5% +$2.89K ﹤0.01% 2358
2013
Q3 		$551K Buy
38,887
+1,169
+3% +$16.8K ﹤0.01% 2318
2013
Q2 		$512K Buy
+37,718
New +$502K ﹤0.01% 2278

Other funds holding SPOK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s SPOK Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Spok Holdings (SPOK) stake by 12% in Q1 2026, selling an estimated $1.91K and leaving 1,102 shares worth $12K. The position accounts for ﹤0.01% of the portfolio, ranked #2613.

California State Teachers Retirement System (CalSTRS) first reported a position in SPOK in Q2 2013 and has held it in 43 quarters since. The position peaked at $876K in Q4 2016. 139 funds tracked by Wall St. Rank hold SPOK as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 1,102 shares of Spok Holdings worth $12K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 150 Spok Holdings shares in Q1 2026, an estimated $1.91K.
  • Spok Holdings made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #2613 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Spok Holdings in Q2 2013 and has held it in 43 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Spok Holdings position peaked at $876K in Q4 2016.
  • 139 funds tracked by Wall St. Rank held Spok Holdings as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.