HFM
MASI

Harvest Fund Management’s Masimo MASI Stock Holding History

Harvest Fund Management’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
Q3 		– Sell
-115
Closed -$19K – 684
2025
Q2 		$19K Sell
115
-3,814
-97% -$609K ﹤0.01% 488
2025
Q1 		$654K Buy
3,929
+38
+1% +$6.59K 0.03% 247
2024
Q4 		$656K Buy
3,891
+3,005
+339% +$475K 0.03% 283
2024
Q3 		$118K Buy
+886
New +$103K 0.01% 406
2024
Q2 		– Sell
-3,596
Closed -$527K – 697
2024
Q1 		$527K Buy
3,596
+3,058
+568% +$395K 0.05% 203
2023
Q4 		$62K Buy
538
+520
+2,889% +$48.5K 0.01% 395
2023
Q3 		$2K Hold
18
– – ﹤0.01% 596
2023
Q2 		$3K Sell
18
-985
-98% -$171K ﹤0.01% 619
2023
Q1 		$185K Buy
1,003
+977
+3,758% +$165K 0.04% 224
2022
Q4 		$3K Hold
26
– – ﹤0.01% 711
2022
Q3 		$4K Hold
26
– – ﹤0.01% 737
2022
Q2 		$3K Hold
26
– – ﹤0.01% 677
2022
Q1 		$3K Hold
26
– – ﹤0.01% 706
2021
Q4 		$7K Sell
26
-76
-75% -$21.6K ﹤0.01% 716
2021
Q3 		$27K Hold
102
– – 0.01% 555
2021
Q2 		$25K Hold
102
– – ﹤0.01% 596
2021
Q1 		$23K Sell
102
-251
-71% -$63.1K ﹤0.01% 617
2020
Q4 		$94K Sell
353
-153
-30% -$38.2K 0.01% 264
2020
Q3 		$121K Sell
506
-397
-44% -$89K 0.01% 244
2020
Q2 		$207K Buy
903
+81
+10% +$17.8K 0.02% 141
2020
Q1 		$145K Buy
822
+498
+154% +$85.4K 0.02% 153
2019
Q4 		$54K Hold
324
– – 0.01% 277
2019
Q3 		$48K Hold
324
– – 0.01% 276
2019
Q2 		$48K Hold
324
– – 0.01% 297
2019
Q1 		$45K Buy
+324
New +$40.7K 0.01% 288
2017
Q2 		– Sell
-620
Closed -$58K – 226
2017
Q1 		$58K Hold
620
– – 0.01% 130
2016
Q4 		$42K Buy
+620
New +$38.1K 0.01% 166

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PCM
Politan Capital Management New York $985M AUM 3.12% 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
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

Harvest Fund Management's MASI Position: Q3 2025 in Review

Harvest Fund Management sold out of Masimo (MASI) in Q3 2025, closing a stake of 115 shares — an estimated $19K sold.

Harvest Fund Management first reported a position in MASI in Q4 2016 and held it in 27 quarters. The position peaked at $656K in Q4 2024. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.

  • Harvest Fund Management reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
  • Harvest Fund Management sold 115 Masimo shares in Q3 2025, an estimated $19K.
  • Harvest Fund Management first reported a position in Masimo in Q4 2016 and held it in 27 quarters.
  • Harvest Fund Management's Masimo position peaked at $656K in Q4 2024.
  • 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.

Based on Harvest Fund Management's 13F filing for Q3 2025, filed 14 Nov 2025.