Ontario Teachers' Pension Plan Board’s Monolithic Power Systems MPWR Stock Holding History

Ontario Teachers' Pension Plan Board’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
2025 Q1	–	Sell	-670	Closed	-$396K	–	444
2024 Q4	$396K	Buy	670 +12	+2%	+$8.69K	﹤0.01%	369
2024 Q3	$608K	Buy	658 +3	+0.5%	+$2.59K	0.01%	306
2024 Q2	$538K	Buy	+655	New	+$473K	﹤0.01%	382
2022 Q1	–	Sell	-2,428	Closed	-$1.2M	–	523
2021 Q4	$1.2M	Buy	2,428 +878	+57%	+$453K	0.01%	191
2021 Q3	$751K	Sell	1,550 -275	-15%	-$125K	﹤0.01%	256
2021 Q2	$682K	Buy	1,825 +298	+20%	+$105K	0.01%	236
2021 Q1	$539K	Sell	1,527 -2,157	-59%	-$786K	0.01%	287
2020 Q4	$1.35M	Buy	+3,684	New	+$1.18M	0.02%	136

Other funds holding MPWR

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return

Ontario Teachers' Pension Plan Board's MPWR Position: Q1 2025 in Review

Ontario Teachers' Pension Plan Board sold out of Monolithic Power Systems (MPWR) in Q1 2025, closing a stake of 670 shares — an estimated $396K sold.

Ontario Teachers' Pension Plan Board first reported a position in MPWR in Q4 2020 and held it in 8 quarters. The position peaked at $1.35M in Q4 2020. 863 funds tracked by Wall St. Rank hold MPWR as of Q1 2025.

Ontario Teachers' Pension Plan Board reported no remaining Monolithic Power Systems position as of Q1 2025 after selling out during the quarter.
Ontario Teachers' Pension Plan Board sold 670 Monolithic Power Systems shares in Q1 2025, an estimated $396K.
Ontario Teachers' Pension Plan Board first reported a position in Monolithic Power Systems in Q4 2020 and held it in 8 quarters.
Ontario Teachers' Pension Plan Board's Monolithic Power Systems position peaked at $1.35M in Q4 2020.
863 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2025.

Based on Ontario Teachers' Pension Plan Board's 13F filing for Q1 2025, filed 9 May 2025.