Norges Bank
MASI

Norges Bank’s Masimo MASI Stock Holding History

Norges Bank’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 		– Sell
-377,421
Closed -$49.1M – 818
2025
Q4 		$49.1M Buy
+377,421
New +$54M 0.01% 1032
2025
Q3 		– Sell
-39,053
Closed -$6.57M – 913
2025
Q2 		$6.57M Sell
39,053
-361
-0.9% -$57.7K ﹤0.01% 1303
2025
Q1 		$6.57M Buy
39,414
+6,020
+18% +$1.04M ﹤0.01% 1333
2024
Q4 		$5.52M Sell
33,394
-221,994
-87% -$35.1M ﹤0.01% 1480
2024
Q3 		$34.1M Buy
255,388
+206,693
+424% +$24M ﹤0.01% 1109
2024
Q2 		$6.13M Buy
48,695
+14,288
+42% +$1.88M ﹤0.01% 1510
2024
Q1 		$5.05M Buy
34,407
+25,450
+284% +$3.29M ﹤0.01% 1616
2023
Q4 		$1.05M Sell
8,957
-13,983
-61% -$1.3M ﹤0.01% 1857
2023
Q3 		$2.01M Sell
22,940
-414,060
-95% -$48.2M ﹤0.01% 1831
2023
Q2 		$71.9M Buy
437,000
+65,790
+18% +$11.5M 0.01% 684
2023
Q1 		$68.5M Buy
371,210
+81,131
+28% +$13.7M 0.02% 692
2022
Q4 		$42.9M Buy
290,079
+93,589
+48% +$12.9M 0.01% 868
2022
Q3 		$27.7M Buy
196,490
+152,576
+347% +$22.3M 0.01% 1052
2022
Q2 		$5.74M Buy
43,914
+27,371
+165% +$3.66M ﹤0.01% 1735
2022
Q1 		$2.41M Sell
16,543
-406,853
-96% -$78.1M ﹤0.01% 1961
2021
Q4 		$124M Sell
423,396
-9,801
-2% -$2.79M 0.03% 542
2021
Q3 		$117M Buy
433,197
+2,961
+0.7% +$803K 0.03% 557
2021
Q2 		$104M Buy
430,236
+1,649
+0.4% +$376K 0.02% 623
2021
Q1 		$98.4M Sell
428,587
-23,354
-5% -$5.87M 0.02% 645
2020
Q4 		$121M Sell
451,941
-18,198
-4% -$4.54M 0.03% 527
2020
Q3 		$111M Buy
470,139
+31,827
+7% +$7.13M 0.03% 501
2020
Q2 		$99.9M Sell
438,312
-13,788
-3% -$3.03M 0.03% 497
2020
Q1 		$80.1M Buy
452,100
+5,509
+1% +$945K 0.03% 511
2019
Q4 		$70.6M Sell
446,591
-8,058
-2% -$1.21M 0.02% 702
2019
Q3 		$67.6M Hold
454,649
– – 0.02% 693
2019
Q2 		$67.7M Sell
454,649
-38,170
-8% -$5.24M 0.02% 702
2019
Q1 		$68.1M Sell
492,819
-4,117
-0.8% -$517K 0.02% 662
2018
Q4 		$53.4M Buy
496,936
+16,028
+3% +$1.79M 0.02% 707
2018
Q3 		$59.9M Buy
480,908
+16,152
+3% +$1.79M 0.02% 735
2018
Q2 		$45.4M Sell
464,756
-54,559
-11% -$5.19M 0.02% 905
2018
Q1 		$45.7M Sell
519,315
-80,400
-13% -$7.01M 0.02% 846
2017
Q4 		$50.9M Sell
599,715
-57,315
-9% -$4.97M 0.02% 790
2017
Q3 		$56.9M Sell
657,030
-36,903
-5% -$3.26M 0.02% 702
2017
Q2 		$63.3M Buy
693,933
+142,598
+26% +$13.1M 0.03% 619
2017
Q1 		$51.4M Buy
551,335
+157,682
+40% +$13M 0.02% 685
2016
Q4 		$26.5M Hold
393,653
– – 0.01% 1114
2016
Q3 		$22.4M Buy
393,653
+15,253
+4% +$861K 0.01% 1160
2016
Q2 		$19.9M Sell
378,400
-94,478
-20% -$4.45M 0.01% 1201
2016
Q1 		$19.8M Sell
472,878
-25,000
-5% -$940K 0.01% 1163
2015
Q4 		$20.7M Hold
497,878
– – 0.01% 1147
2015
Q3 		$19.2M Hold
497,878
– – 0.01% 1153
2015
Q2 		$19.3M Hold
497,878
– – 0.01% 1216
2015
Q1 		$16.4M Sell
497,878
-243,339
-33% -$6.99M 0.01% 1326
2014
Q4 		$19.5M Buy
741,217
+59,169
+9% +$1.46M 0.01% 1226
2014
Q3 		$14.5M Sell
682,048
-565,116
-45% -$12.9M 0.01% 1357
2014
Q2 		$29.4M Buy
1,247,164
+782,313
+168% +$19.4M 0.01% 1379
2014
Q1 		$12.7M Hold
464,851
– – 0.01% 1434
2013
Q4 		$13.6M Hold
464,851
– – 0.01% 1390
2013
Q3 		$12.4M Buy
464,851
+132,129
+40% +$3.26M 0.01% 1424
2013
Q2 		$7.05M Buy
+332,722
New +$7M ﹤0.01% 1682

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

Norges Bank's MASI Position: Q1 2026 in Review

Norges Bank sold out of Masimo (MASI) in Q1 2026, closing a stake of 377,421 shares — an estimated $49.1M sold.

Norges Bank first reported a position in MASI in Q2 2013 and held it in 50 quarters. The position peaked at $124M in Q4 2021. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Norges Bank reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
  • Norges Bank sold 377,421 Masimo shares in Q1 2026, an estimated $49.1M.
  • Norges Bank first reported a position in Masimo in Q2 2013 and held it in 50 quarters.
  • Norges Bank's Masimo position peaked at $124M in Q4 2021.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Norges Bank's 13F filing for Q1 2026.