CCIA
MASI

Campbell & Co Investment Adviser’s Masimo MASI Stock Holding History

Campbell & Co Investment Adviser’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
-27,783
Closed -$3.61M – 1272
2025
Q4 		$3.61M Buy
+27,783
New +$3.98M 0.17% 170
2025
Q1 		– Sell
-2,083
Closed -$344K – 1203
2024
Q4 		$344K Sell
2,083
-6,876
-77% -$1.09M 0.03% 801
2024
Q3 		$1.19M Sell
8,959
-19,791
-69% -$2.3M 0.09% 370
2024
Q2 		$3.62M Buy
28,750
+25,854
+893% +$3.4M 0.31% 55
2024
Q1 		$425K Buy
+2,896
New +$374K 0.04% 777
2023
Q4 		– Sell
-22,279
Closed -$1.95M – 1234
2023
Q3 		$1.95M Buy
+22,279
New +$2.59M 0.23% 95
2022
Q2 		– Sell
-2,917
Closed -$425K – 816
2022
Q1 		$425K Buy
+2,917
New +$560K 0.11% 339
2019
Q2 		– Sell
-3,425
Closed -$474K – 627
2019
Q1 		$474K Buy
+3,425
New +$430K 0.23% 138
2018
Q4 		– Sell
-1,900
Closed -$237K – 428
2018
Q3 		$237K Sell
1,900
-1,900
-50% -$211K 0.16% 296
2018
Q2 		$371K Buy
3,800
+1,499
+65% +$143K 0.29% 126
2018
Q1 		$202K Buy
+2,301
New +$201K 0.17% 305
2017
Q3 		– Sell
-2,223
Closed -$203K – 414
2017
Q2 		$203K Buy
+2,223
New +$204K 0.19% 268
2014
Q3 		– Sell
-54,465
Closed -$1.28M – 224
2014
Q2 		$1.28M Buy
+54,465
New +$1.35M 0.51% 81

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

Campbell & Co Investment Adviser's MASI Position: Q1 2026 in Review

Campbell & Co Investment Adviser sold out of Masimo (MASI) in Q1 2026, closing a stake of 27,783 shares — an estimated $3.61M sold.

Campbell & Co Investment Adviser first reported a position in MASI in Q2 2014 and held it in 13 quarters. The position peaked at $3.62M in Q2 2024. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Campbell & Co Investment Adviser reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
  • Campbell & Co Investment Adviser sold 27,783 Masimo shares in Q1 2026, an estimated $3.61M.
  • Campbell & Co Investment Adviser first reported a position in Masimo in Q2 2014 and held it in 13 quarters.
  • Campbell & Co Investment Adviser's Masimo position peaked at $3.62M in Q2 2024.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q1 2026, filed 15 May 2026.