FHA
MASI

Flagship Harbor Advisors’s Masimo MASI Stock Holding History

Flagship Harbor Advisors’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
-111
Closed -$14.4K – 1579
2025
Q4 		$14.4K Buy
+111
New +$15.9K ﹤0.01% 1414
2020
Q4 		– Sell
-441
Closed -$104K – 1227
2020
Q3 		$104K Hold
441
– – 0.01% 650
2020
Q2 		$100K Buy
441
+5
+1% +$1.1K 0.01% 648
2020
Q1 		$77K Buy
436
+100
+30% +$17.2K 0.02% 641
2019
Q4 		$53K Buy
336
+100
+42% +$15K 0.01% 798
2019
Q3 		$35K Buy
236
+74
+46% +$11.2K 0.01% 894
2019
Q2 		$24K Buy
162
+12
+8% +$1.65K 0.01% 1008
2019
Q1 		$20K Hold
150
– – ﹤0.01% 1080
2018
Q4 		$16K Hold
150
– – ﹤0.01% 1096
2018
Q3 		$19K Hold
150
– – ﹤0.01% 1138
2018
Q2 		$14K Buy
+150
New +$14.3K ﹤0.01% 1246

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

Flagship Harbor Advisors's MASI Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of Masimo (MASI) in Q1 2026, closing a stake of 111 shares — an estimated $14.4K sold.

Flagship Harbor Advisors first reported a position in MASI in Q2 2018 and held it in 11 quarters. The position peaked at $104K in Q3 2020. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Flagship Harbor Advisors reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
  • Flagship Harbor Advisors sold 111 Masimo shares in Q1 2026, an estimated $14.4K.
  • Flagship Harbor Advisors first reported a position in Masimo in Q2 2018 and held it in 11 quarters.
  • Flagship Harbor Advisors's Masimo position peaked at $104K in Q3 2020.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.