Tidal Investments’s Masimo MASI Stock Holding History

Tidal Investments’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	$8.84M	Sell	49,720 -35,574	-42%	-$5.58M	0.02%	600
2025 Q4	$11.1M	Sell	85,294 -47,263	-36%	-$6.77M	0.03%	424
2025 Q3	$19.6M	Buy	132,557 +26,359	+25%	+$3.99M	0.04%	319
2025 Q2	$17.9M	Sell	106,198 -4,288	-4%	-$685K	0.11%	226
2025 Q1	$18.4M	Buy	110,486 +23,755	+27%	+$4.12M	0.15%	171
2024 Q4	$14.3M	Buy	86,731 +84,342	+3,530%	+$13.3M	0.11%	215
2024 Q3	$319K	Buy	+2,389	New	+$277K	﹤0.01%	1574
2024 Q2	–	Sell	-2,179	Closed	-$320K	–	1885
2024 Q1	$320K	Buy	2,179 +269	+14%	+$34.7K	0.01%	1376
2023 Q4	$224K	Buy	+1,910	New	+$178K	0.01%	1299
2023 Q3	–	Sell	-1,706	Closed	-$281K	–	1344
2023 Q2	$281K	Sell	1,706 -8,124	-83%	-$1.41M	0.01%	1069
2023 Q1	$1.81M	Buy	+9,830	New	+$1.66M	0.06%	320

Other funds holding MASI

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 London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

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 Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Tidal Investments's MASI Position: Q1 2026 in Review

Tidal Investments reduced its Masimo (MASI) stake by 42% in Q1 2026, selling an estimated $5.58M and leaving 49,720 shares worth $8.84M. The position accounts for 0.02% of the portfolio, ranked #600.

Tidal Investments first reported a position in MASI in Q1 2023 and has held it in 11 quarters since. The position peaked at $19.6M in Q3 2025. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

Tidal Investments held 49,720 shares of Masimo worth $8.84M as of Q1 2026.
Tidal Investments sold 35,574 Masimo shares in Q1 2026, an estimated $5.58M.
Masimo made up 0.02% of Tidal Investments's portfolio in Q1 2026, its #600 holding.
Tidal Investments first reported a position in Masimo in Q1 2023 and has held it in 11 quarters since.
Tidal Investments's Masimo position peaked at $19.6M in Q3 2025.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Tidal Investments's 13F filing for Q1 2026, filed 15 May 2026.