Natixis
MPWR icon

Natixis’s Monolithic Power Systems MPWR Stock Holding History

Natixis’s Portfolio MPWR Stock Details MPWR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$202M Buy
149,718
+136,549
+1,037% +$179M 0.72% 20
2026
Q2 		$18.2M Sell
13,169
-16,251
-55% -$24.4M 0.07% 184
2026
Q1 		$32.2M Sell
29,420
-1,042
-3% -$1.14M 0.12% 129
2025
Q4 		$27.6M Sell
30,462
-7,231
-19% -$6.96M 0.1% 157
2025
Q3 		$34.7M Buy
37,693
+5,154
+16% +$4.18M 0.16% 115
2025
Q2 		$23.8M Buy
32,539
+881
+3% +$561K 0.11% 130
2025
Q1 		$17.8M Sell
31,658
-28,817
-48% -$18.2M 0.1% 160
2024
Q4 		$35.8M Buy
60,475
+56,223
+1,322% +$40.7M 0.22% 85
2024
Q3 		$3.93M Sell
4,252
-621
-13% -$536K 0.02% 344
2024
Q2 		$4M Sell
4,873
-3,980
-45% -$2.87M 0.02% 320
2024
Q1 		$6M Buy
8,853
+5,563
+169% +$3.71M 0.03% 296
2023
Q4 		$2.08M Buy
3,290
+2,903
+750% +$1.52M 0.02% 409
2023
Q3 		$179K Sell
387
-6,708
-95% -$3.43M ﹤0.01% 727
2023
Q2 		$3.83M Buy
7,095
+5,646
+390% +$2.68M 0.03% 323
2023
Q1 		$725K Sell
1,449
-5,256
-78% -$2.42M 0.01% 569
2022
Q4 		$2.37M Buy
6,705
+2,883
+75% +$1.04M 0.01% 504
2022
Q3 		$1.4M Sell
3,822
-54
-1% -$24K 0.01% 684
2022
Q2 		$1.5M Buy
3,876
+65
+2% +$27.5K 0.01% 736
2022
Q1 		$1.85M Sell
3,811
-54,712
-93% -$23.8M 0.01% 770
2021
Q4 		$28.9M Buy
58,523
+53,559
+1,079% +$27.6M 0.1% 182
2021
Q3 		$2.41M Buy
4,964
+2,885
+139% +$1.31M 0.01% 689
2021
Q2 		$776K Buy
+2,079
New +$732K ﹤0.01% 640
2021
Q1 		– Sell
-13,834
Closed -$5.07M – 1144
2020
Q4 		$5.07M Buy
13,834
+1,730
+14% +$554K 0.02% 508
2020
Q3 		$3.38M Buy
12,104
+2,004
+20% +$521K 0.02% 339
2020
Q2 		$2.39M Buy
10,100
+6,900
+216% +$1.4M 0.02% 400
2020
Q1 		$536K Buy
+3,200
New +$548K ﹤0.01% 564
2017
Q2 		– Sell
-3,084
Closed -$284K – 926
2017
Q1 		$284K Buy
+3,084
New +$273K ﹤0.01% 728

Other funds holding MPWR

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $109B AUM 51.53% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $144B AUM 22.91% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return

Natixis's MPWR Position: Q3 2026 in Review

Natixis increased its Monolithic Power Systems (MPWR) stake by 1,037% in Q3 2026, buying an estimated $179M and bringing the position to 149,718 shares worth $202M. The position accounts for 0.72% of the portfolio, ranked #20.

Natixis first reported a position in MPWR in Q1 2017 and has held it in 27 quarters since. 763 funds tracked by Wall St. Rank hold MPWR as of Q3 2026.

  • Natixis held 149,718 shares of Monolithic Power Systems worth $202M as of Q3 2026.
  • Natixis bought 136,549 Monolithic Power Systems shares in Q3 2026, an estimated $179M.
  • Monolithic Power Systems made up 0.72% of Natixis's portfolio in Q3 2026, its #20 holding.
  • Natixis first reported a position in Monolithic Power Systems in Q1 2017 and has held it in 27 quarters since.
  • 763 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q3 2026.

Based on Natixis's 13F filing for Q3 2026, filed 6 Nov 2026.