SG Americas Securities
MASI

SG Americas Securities’s Masimo MASI Stock Holding History

SG Americas Securities’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 		$93M Buy
522,824
+506,395
+3,082% +$79.5M 0.1% 162
2025
Q4 		$2.14M Buy
16,429
+7,510
+84% +$1.08M ﹤0.01% 1493
2025
Q3 		$1.32M Sell
8,919
-5,847
-40% -$885K ﹤0.01% 1230
2025
Q2 		$2.48M Buy
14,766
+13,143
+810% +$2.1M 0.01% 683
2025
Q1 		$270K Buy
+1,623
New +$282K ﹤0.01% 2296
2024
Q4 		– Sell
-28,967
Closed -$3.86M – 3405
2024
Q3 		$3.86M Buy
+28,967
New +$3.36M 0.01% 495
2024
Q2 		– Sell
-1,979
Closed -$291K – 3116
2024
Q1 		$291K Sell
1,979
-2,030
-51% -$262K ﹤0.01% 1714
2023
Q4 		$470K Sell
4,009
-8,705
-68% -$811K ﹤0.01% 1519
2023
Q3 		$1.11M Buy
12,714
+2,995
+31% +$349K 0.01% 1177
2023
Q2 		$1.6M Buy
9,719
+3,324
+52% +$579K 0.01% 846
2023
Q1 		$1.18M Buy
6,395
+5,030
+368% +$849K 0.01% 1035
2022
Q4 		$202K Buy
+1,365
New +$188K ﹤0.01% 2188
2022
Q3 		– Sell
-16,474
Closed -$2.15M – 3402
2022
Q2 		$2.15M Buy
16,474
+9,202
+127% +$1.23M 0.02% 706
2022
Q1 		$1.06M Buy
7,272
+3,979
+121% +$764K 0.01% 1387
2021
Q4 		$964K Sell
3,293
-3,148
-49% -$897K 0.01% 1677
2021
Q3 		$1.74M Sell
6,441
-5,935
-48% -$1.61M 0.01% 1400
2021
Q2 		$3M Buy
12,376
+4,473
+57% +$1.02M 0.01% 875
2021
Q1 		$1.81M Sell
7,903
-3,993
-34% -$1M 0.01% 1111
2020
Q4 		$3.19M Buy
11,896
+11,003
+1,232% +$2.74M 0.02% 781
2020
Q3 		$211K Sell
893
-6,673
-88% -$1.5M ﹤0.01% 2118
2020
Q2 		$1.73M Buy
7,566
+3,501
+86% +$768K 0.01% 943
2020
Q1 		$720K Sell
4,065
-27,263
-87% -$4.68M 0.01% 1534
2019
Q4 		$4.95M Buy
31,328
+13,359
+74% +$2.01M 0.05% 385
2019
Q3 		$2.67M Buy
17,969
+907
+5% +$138K 0.02% 765
2019
Q2 		$2.54M Buy
17,062
+12,340
+261% +$1.69M 0.02% 874
2019
Q1 		$653K Sell
4,722
-1,954
-29% -$245K 0.01% 1607
2018
Q4 		$717K Sell
6,676
-17,405
-72% -$1.94M 0.01% 1588
2018
Q3 		$3M Buy
24,081
+756
+3% +$83.9K 0.02% 866
2018
Q2 		$2.28M Buy
23,325
+10,664
+84% +$1.01M 0.02% 846
2018
Q1 		$1.11M Sell
12,661
-8,334
-40% -$726K 0.01% 1269
2017
Q4 		$1.78M Buy
20,995
+15,771
+302% +$1.37M 0.02% 987
2017
Q3 		$452K Sell
5,224
-13,032
-71% -$1.15M ﹤0.01% 1920
2017
Q2 		$1.67M Buy
18,256
+6,385
+54% +$586K 0.02% 1023
2017
Q1 		$1.11M Buy
11,871
+9,126
+332% +$751K 0.01% 1304
2016
Q4 		$185K Sell
2,745
-10,006
-78% -$615K ﹤0.01% 2419
2016
Q3 		$759K Buy
12,751
+7,486
+142% +$422K 0.01% 1381
2016
Q2 		$276K Sell
5,265
-24,573
-82% -$1.16M ﹤0.01% 1984
2016
Q1 		$1.25M Buy
29,838
+23,313
+357% +$877K 0.01% 1171
2015
Q4 		$271K Buy
+6,525
New +$267K ﹤0.01% 1943
2015
Q3 		– Sell
-6,473
Closed -$251K – 2449
2015
Q2 		$251K Sell
6,473
-3,276
-34% -$117K ﹤0.01% 1876
2015
Q1 		$322K Buy
+9,749
New +$280K ﹤0.01% 1650
2014
Q4 		– Sell
-20,601
Closed -$438K – 3271
2014
Q3 		$438K Buy
+20,601
New +$470K ﹤0.01% 1533
2014
Q2 		– Sell
-5,820
Closed -$159K – 2627
2014
Q1 		$159K Buy
+5,820
New +$166K ﹤0.01% 2030
2013
Q4 		– Sell
-29,131
Closed -$776K – 2850
2013
Q3 		$776K Buy
29,131
+22,492
+339% +$555K ﹤0.01% 1394
2013
Q2 		$141K Buy
+6,639
New +$140K ﹤0.01% 1918

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

SG Americas Securities's MASI Position: Q1 2026 in Review

SG Americas Securities increased its Masimo (MASI) stake by 3,082% in Q1 2026, buying an estimated $79.5M and bringing the position to 522,824 shares worth $93M. The position accounts for 0.1% of the portfolio, ranked #162.

SG Americas Securities first reported a position in MASI in Q2 2013 and has held it in 45 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • SG Americas Securities held 522,824 shares of Masimo worth $93M as of Q1 2026.
  • SG Americas Securities bought 506,395 Masimo shares in Q1 2026, an estimated $79.5M.
  • Masimo made up 0.1% of SG Americas Securities's portfolio in Q1 2026, its #162 holding.
  • SG Americas Securities first reported a position in Masimo in Q2 2013 and has held it in 45 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on SG Americas Securities's 13F filing for Q1 2026, filed 16 Apr 2026.