IG
MASI

ING Group’s Masimo MASI Stock Holding History

ING Group’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 		$3.86M Buy
+21,700
New +$3.41M 0.02% 294
2025
Q4 		– Sell
-20,800
Closed -$3.07M – 603
2025
Q3 		$3.07M Buy
+20,800
New +$3.15M 0.02% 337
2024
Q4 		– Sell
-240,900
Closed -$32.1M – 606
2024
Q3 		$32.1M Buy
240,900
+141,900
+143% +$16.5M 0.19% 91
2024
Q2 		$12.5M Buy
+99,000
New +$13M 0.07% 194
2023
Q1 		– Sell
-20,200
Closed -$2.99M – 679
2022
Q4 		$2.99M Sell
20,200
-129,800
-87% -$17.9M 0.03% 305
2022
Q3 		$21.2M Buy
+150,000
New +$21.9M 0.35% 62
2019
Q2 		– Sell
-7,496
Closed -$1.04M – 801
2019
Q1 		$1.04M Buy
7,496
+22
+0.3% +$2.76K 0.02% 314
2018
Q4 		$802K Buy
7,474
+137
+2% +$15.3K 0.02% 373
2018
Q3 		$914K Buy
7,337
+2,195
+43% +$243K 0.02% 382
2018
Q2 		$502K Sell
5,142
-2,084
-29% -$198K 0.01% 450
2018
Q1 		$636K Buy
7,226
+53
+0.7% +$4.62K 0.01% 419
2017
Q4 		$608K Buy
7,173
+1,321
+23% +$115K 0.01% 447
2017
Q3 		$507K Buy
5,852
+315
+6% +$27.9K 0.01% 470
2017
Q2 		$505K Buy
+5,537
New +$508K 0.01% 486

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

ING Group's MASI Position: Q1 2026 in Review

ING Group opened a new position in Masimo (MASI) in Q1 2026: 21,700 shares worth $3.86M. The stake represents 0.02% of the portfolio and ranks #294 among its holdings. This is a return to the name: ING Group previously reported a position in MASI as recently as Q3 2025.

ING Group first reported a position in MASI in Q2 2017 and has held it in 14 quarters since. The position peaked at $32.1M in Q3 2024. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • ING Group held 21,700 shares of Masimo worth $3.86M as of Q1 2026.
  • Masimo was a new ING Group position in Q1 2026.
  • Masimo made up 0.02% of ING Group's portfolio in Q1 2026, its #294 holding.
  • ING Group first reported a position in Masimo in Q2 2017 and has held it in 14 quarters since.
  • ING Group's Masimo position peaked at $32.1M in Q3 2024.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on ING Group's 13F filing for Q1 2026, filed 11 May 2026.