California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s 908 Devices MASS Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio MASS Stock Details MASS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.38K Sell
389
-1,093
-74% -$8.39K ﹤0.01% 2700
2026
Q1 		$9.07K Sell
1,482
-204
-12% -$1.28K ﹤0.01% 2714
2025
Q4 		$8.85K Sell
1,686
-36
-2% -$252 ﹤0.01% 2828
2025
Q3 		$15.1K Buy
1,722
+2
+0.1% +$13 ﹤0.01% 2661
2025
Q2 		$12.3K Hold
1,720
– – ﹤0.01% 2662
2025
Q1 		$7.71K Hold
1,720
– – ﹤0.01% 2846
2024
Q4 		$3.78K Hold
1,720
– – ﹤0.01% 3018
2024
Q3 		$5.97K Hold
1,720
– – ﹤0.01% 2988
2024
Q2 		$8.86K Sell
1,720
-508
-23% -$3.07K ﹤0.01% 2937
2024
Q1 		$16.8K Sell
2,228
-1,382
-38% -$10.2K ﹤0.01% 2789
2023
Q4 		$40.5K Sell
3,610
-1,229
-25% -$8.4K ﹤0.01% 2670
2023
Q3 		$32.2K Sell
4,839
-2,457
-34% -$17K ﹤0.01% 2863
2023
Q2 		$50.1K Sell
7,296
-919
-11% -$7.39K ﹤0.01% 2924
2023
Q1 		$70.6K Sell
8,215
-16,996
-67% -$152K ﹤0.01% 2767
2022
Q4 		$192K Buy
25,211
+364
+1% +$4.41K ﹤0.01% 2627
2022
Q3 		$409K Sell
24,847
-949
-4% -$18.4K ﹤0.01% 2418
2022
Q2 		$531K Buy
25,796
+3,660
+17% +$61.5K ﹤0.01% 2361
2022
Q1 		$421K Sell
22,136
-1,206
-5% -$20.7K ﹤0.01% 2456
2021
Q4 		$604K Buy
23,342
+10,626
+84% +$313K ﹤0.01% 2442
2021
Q3 		$414K Buy
12,716
+2,746
+28% +$93.3K ﹤0.01% 2517
2021
Q2 		$386K Sell
9,970
-917
-8% -$41.5K ﹤0.01% 2783
2021
Q1 		$528K Buy
+10,887
New +$622K ﹤0.01% 2498

Other funds holding MASS

FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
AIC
AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.81B AUM 83.9% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s MASS Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its 908 Devices (MASS) stake by 74% in Q2 2026, selling an estimated $8.39K and leaving 389 shares worth $3.38K. The position accounts for ﹤0.01% of the portfolio, ranked #2700.

California State Teachers Retirement System (CalSTRS) first reported a position in MASS in Q1 2021 and has held it in 22 quarters since. The position peaked at $604K in Q4 2021. 112 funds tracked by Wall St. Rank hold MASS as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 389 shares of 908 Devices worth $3.38K as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) sold 1,093 908 Devices shares in Q2 2026, an estimated $8.39K.
  • 908 Devices made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #2700 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in 908 Devices in Q1 2021 and has held it in 22 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s 908 Devices position peaked at $604K in Q4 2021.
  • 112 funds tracked by Wall St. Rank held 908 Devices as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.