HT
MASI

Headlands Technologies’s Masimo MASI Stock Holding History

Headlands Technologies’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 		$1.17M Buy
6,600
+4,250
+181% +$667K 0.13% 173
2025
Q4 		$306K Buy
+2,350
New +$337K 0.03% 516
2024
Q3 		– Sell
-866
Closed -$109K – 1396
2024
Q2 		$109K Buy
+866
New +$114K 0.01% 626
2023
Q3 		– Sell
-84
Closed -$13.8K – 1086
2023
Q2 		$13.8K Buy
+84
New +$14.6K ﹤0.01% 597
2023
Q1 		– Sell
-25
Closed -$4K – 659
2022
Q4 		$4K Buy
+25
New +$3.44K ﹤0.01% 405

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

Headlands Technologies's MASI Position: Q1 2026 in Review

Headlands Technologies increased its Masimo (MASI) stake by 181% in Q1 2026, buying an estimated $667K and bringing the position to 6,600 shares worth $1.17M. The position accounts for 0.13% of the portfolio, ranked #173.

Headlands Technologies first reported a position in MASI in Q4 2022 and has held it in 5 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Headlands Technologies held 6,600 shares of Masimo worth $1.17M as of Q1 2026.
  • Headlands Technologies bought 4,250 Masimo shares in Q1 2026, an estimated $667K.
  • Masimo made up 0.13% of Headlands Technologies's portfolio in Q1 2026, its #173 holding.
  • Headlands Technologies first reported a position in Masimo in Q4 2022 and has held it in 5 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Headlands Technologies's 13F filing for Q1 2026, filed 13 May 2026.