Ohio Public Employees Retirement System (OPERS)
MASI

Ohio Public Employees Retirement System (OPERS)’s Masimo MASI Stock Holding History

Ohio Public Employees Retirement System (OPERS)’s Portfolio MASI Stock Details MASI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.39M Sell
13,446
-433
-3% -$68K 0.01% 1000
2025
Q4 		$1.81M Sell
13,879
-517
-4% -$74K 0.01% 1138
2025
Q3 		$2.12M Buy
14,396
+64
+0.4% +$9.69K 0.01% 1080
2025
Q2 		$2.41M Buy
14,332
+598
+4% +$95.5K 0.01% 997
2025
Q1 		$2.29M Sell
13,734
-1,550
-10% -$269K 0.01% 1014
2024
Q4 		$2.53M Sell
15,284
-692
-4% -$109K 0.01% 1026
2024
Q3 		$2.13M Sell
15,976
-770
-5% -$89.3K 0.01% 1033
2024
Q2 		$2.11M Sell
16,746
-149
-0.9% -$19.6K 0.01% 950
2024
Q1 		$2.48M Sell
16,895
-1,538
-8% -$199K 0.01% 893
2023
Q4 		$2.16M Buy
18,433
+531
+3% +$49.5K 0.01% 974
2023
Q3 		$1.57M Sell
17,902
-3,893
-18% -$453K 0.01% 1040
2023
Q2 		$3.59M Sell
21,795
-2,103
-9% -$366K 0.01% 777
2023
Q1 		$4.41M Sell
23,898
-733
-3% -$124K 0.02% 677
2022
Q4 		$3.64M Sell
24,631
-48
-0.2% -$6.61K 0.02% 749
2022
Q3 		$3.48M Sell
24,679
-1,030
-4% -$150K 0.02% 776
2022
Q2 		$3.36M Sell
25,709
-969
-4% -$130K 0.01% 843
2022
Q1 		$3.88M Sell
26,678
-10,440
-28% -$2M 0.01% 865
2021
Q4 		$10.9M Sell
37,118
-959
-3% -$273K 0.04% 440
2021
Q3 		$10.3M Buy
38,077
+9,016
+31% +$2.44M 0.04% 457
2021
Q2 		$7.05M Sell
29,061
-1,571
-5% -$358K 0.02% 606
2021
Q1 		$7.04M Buy
30,632
+1,015
+3% +$255K 0.03% 554
2020
Q4 		$7.95M Sell
29,617
-13,194
-31% -$3.29M 0.04% 442
2020
Q3 		$10.1M Sell
42,811
-3,036
-7% -$681K 0.06% 280
2020
Q2 		$10.5M Buy
45,847
+6,046
+15% +$1.33M 0.06% 280
2020
Q1 		$7.05M Sell
39,801
-26,153
-40% -$4.49M 0.05% 341
2019
Q4 		$10.4M Sell
65,954
-26,492
-29% -$3.98M 0.05% 291
2019
Q3 		$13.8M Sell
92,446
-11,446
-11% -$1.74M 0.07% 259
2019
Q2 		$15.5M Buy
103,892
+61,607
+146% +$8.45M 0.08% 243
2019
Q1 		$5.85M Sell
42,285
-1,460
-3% -$183K 0.03% 508
2018
Q4 		$4.7M Sell
43,745
-2,109
-5% -$235K 0.03% 542
2018
Q3 		$5.71M Sell
45,854
-4,307
-9% -$478K 0.03% 567
2018
Q2 		$4.9M Buy
50,161
+18,350
+58% +$1.74M 0.02% 642
2018
Q1 		$2.8M Sell
31,811
-5,716
-15% -$498K 0.01% 858
2017
Q4 		$3.18M Buy
37,527
+482
+1% +$41.8K 0.02% 831
2017
Q3 		$3.21M Buy
37,045
+21,807
+143% +$1.93M 0.02% 818
2017
Q2 		$1.39M Sell
15,238
-10,674
-41% -$980K 0.01% 1117
2017
Q1 		$2.42M Sell
25,912
-1,693
-6% -$139K 0.01% 864
2016
Q4 		$2.4M Sell
27,605
-3,415
-11% -$210K 0.01% 864
2016
Q3 		$1.84M Buy
31,020
+7,807
+34% +$440K 0.01% 948
2016
Q2 		$1.22M Sell
23,213
-58
-0.2% -$2.73K 0.01% 1059
2016
Q1 		$974K Sell
23,271
-201
-0.9% -$7.56K 0.01% 1093
2015
Q4 		$974K Sell
23,472
-954
-4% -$39K 0.01% 1104
2015
Q3 		$942K Buy
24,426
+20,637
+545% +$843K 0.01% 1173
2015
Q2 		$147K Sell
3,789
-29
-0.8% -$1.04K ﹤0.01% 1488
2015
Q1 		$126K Buy
3,818
+132
+4% +$3.79K ﹤0.01% 1528
2014
Q4 		$97K Buy
3,686
+302
+9% +$7.45K ﹤0.01% 1596
2014
Q3 		$72K Sell
3,384
-617
-15% -$14.1K ﹤0.01% 1693
2014
Q2 		$94K Buy
4,001
+451
+13% +$11.2K ﹤0.01% 1694
2014
Q1 		$97K Sell
3,550
-1,010
-22% -$28.8K ﹤0.01% 1678
2013
Q4 		$133K Buy
4,560
+2,212
+94% +$61.9K ﹤0.01% 1632
2013
Q3 		$63K Buy
+2,348
New +$57.9K ﹤0.01% 1734

Other funds holding MASI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCM
Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Ohio Public Employees Retirement System (OPERS)'s MASI Position: Q1 2026 in Review

Ohio Public Employees Retirement System (OPERS) reduced its Masimo (MASI) stake by 3.1% in Q1 2026, selling an estimated $68K and leaving 13,446 shares worth $2.39M. The position accounts for 0.01% of the portfolio, ranked #1000.

Ohio Public Employees Retirement System (OPERS) first reported a position in MASI in Q3 2013 and has held it in 51 quarters since. The position peaked at $15.5M in Q2 2019. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Ohio Public Employees Retirement System (OPERS) held 13,446 shares of Masimo worth $2.39M as of Q1 2026.
  • Ohio Public Employees Retirement System (OPERS) sold 433 Masimo shares in Q1 2026, an estimated $68K.
  • Masimo made up 0.01% of Ohio Public Employees Retirement System (OPERS)'s portfolio in Q1 2026, its #1000 holding.
  • Ohio Public Employees Retirement System (OPERS) first reported a position in Masimo in Q3 2013 and has held it in 51 quarters since.
  • Ohio Public Employees Retirement System (OPERS)'s Masimo position peaked at $15.5M in Q2 2019.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q1 2026, filed 14 May 2026.