CMBA
MASI

C.M. Bidwell & Associates’s Masimo MASI Stock Holding History

C.M. Bidwell & Associates’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
2025
Q4 		– Sell
-595
Closed -$87.8K – 511
2025
Q3 		$87.8K Sell
595
-2
-0.3% -$303 0.04% 187
2025
Q2 		$100K Hold
597
– – 0.05% 170
2025
Q1 		$99.5K Sell
597
-17
-3% -$2.95K 0.06% 164
2024
Q4 		$101K Sell
614
-12
-2% -$1.9K 0.06% 169
2024
Q3 		$83.5K Buy
626
+31
+5% +$3.6K 0.05% 186
2024
Q2 		$74.9K Hold
595
– – 0.05% 205
2024
Q1 		$87.4K Buy
+595
New +$76.8K 0.06% 189
2022
Q4 		– Sell
-1,367
Closed -$193K – 520
2022
Q3 		$193K Buy
1,367
+2
+0.1% +$292 0.16% 117
2022
Q2 		$178K Buy
+1,365
New +$183K 0.14% 132
2020
Q3 		– Sell
-979
Closed -$223K – 496
2020
Q2 		$223K Buy
979
+839
+599% +$184K 0.2% 114
2020
Q1 		$25K Buy
+140
New +$24K 0.03% 234
2018
Q2 		– Sell
-185
Closed -$16K – 430
2018
Q1 		$16K Hold
185
– – 0.01% 290
2017
Q4 		$16K Hold
185
– – 0.01% 294
2017
Q3 		$16K Sell
185
-225
-55% -$19.9K 0.02% 202
2017
Q2 		$37K Sell
410
-1,545
-79% -$142K 0.01% 206
2017
Q1 		$182K Buy
+1,955
New +$161K 0.04% 166
2015
Q4 		– Sell
-4,955
Closed -$191K – 257
2015
Q3 		$191K Hold
4,955
– – 0.05% 160
2015
Q2 		$192K Sell
4,955
-2,125
-30% -$76.1K 0.04% 174
2015
Q1 		$233K Hold
7,080
– – 0.05% 139
2014
Q4 		$186K Buy
+7,080
New +$175K 0.04% 158

Other funds holding MASI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
PCM
Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
NCMU
NAYA Capital Management (UK) London, United Kingdom $1.18B AUM 13.14% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

C.M. Bidwell & Associates's MASI Position: Q4 2025 in Review

C.M. Bidwell & Associates sold out of Masimo (MASI) in Q4 2025, closing a stake of 595 shares — an estimated $87.8K sold.

C.M. Bidwell & Associates first reported a position in MASI in Q4 2014 and held it in 20 quarters. The position peaked at $233K in Q1 2015. 390 funds tracked by Wall St. Rank hold MASI as of Q4 2025.

  • C.M. Bidwell & Associates reported no remaining Masimo position as of Q4 2025 after selling out during the quarter.
  • C.M. Bidwell & Associates sold 595 Masimo shares in Q4 2025, an estimated $87.8K.
  • C.M. Bidwell & Associates first reported a position in Masimo in Q4 2014 and held it in 20 quarters.
  • C.M. Bidwell & Associates's Masimo position peaked at $233K in Q1 2015.
  • 390 funds tracked by Wall St. Rank held Masimo as of Q4 2025.

Based on C.M. Bidwell & Associates's 13F filing for Q4 2025, filed 13 Feb 2026.