Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
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Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Monolithic Power Systems MPWR Stock Holding History

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’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
Q2 		$106M Sell
76,360
-59,578
-44% -$89.5M 0.15% 116
2026
Q1 		$149M Sell
135,938
-66,926
-33% -$73.1M 0.24% 84
2025
Q4 		$184M Buy
202,864
+85,968
+74% +$82.7M 0.31% 54
2025
Q3 		$108M Sell
116,896
-10,014
-8% -$8.12M 0.19% 97
2025
Q2 		$92.8M Buy
126,910
+126,340
+22,165% +$80.5M 0.18% 113
2025
Q1 		$331K Sell
570
-141,355
-100% -$89.1M ﹤0.01% 866
2024
Q4 		$84M Buy
141,925
+59,954
+73% +$43.4M 0.18% 108
2024
Q3 		$75.8M Sell
81,971
-28,179
-26% -$24.3M 0.18% 101
2024
Q2 		$90.5M Buy
110,150
+41,487
+60% +$29.9M 0.26% 66
2024
Q1 		$46.5M Buy
68,663
+54,961
+401% +$36.7M 0.16% 97
2023
Q4 		$8.64M Buy
13,702
+4,266
+45% +$2.23M 0.03% 324
2023
Q3 		$4.36M Buy
+9,436
New +$4.83M 0.02% 390
2023
Q2 		– Sell
-2,116
Closed -$1.06M – 1328
2023
Q1 		$1.06M Sell
2,116
-67,833
-97% -$31.2M 0.01% 697
2022
Q4 		$24.7M Buy
69,949
+55,209
+375% +$19.8M 0.12% 139
2022
Q3 		$5.36M Buy
14,740
+1,851
+14% +$823K 0.03% 344
2022
Q2 		$4.95M Buy
12,889
+10,612
+466% +$4.48M 0.02% 423
2022
Q1 		$1.11M Sell
2,277
-17,723
-89% -$7.72M ﹤0.01% 1107
2021
Q4 		$9.87M Buy
+20,000
New +$10.3M 0.02% 425
2021
Q3 		– Sell
-8,064
Closed -$3.01M – 1865
2021
Q2 		$3.01M Buy
8,064
+7,991
+10,947% +$2.81M 0.01% 855
2021
Q1 		$26K Sell
73
-12,861
-99% -$4.68M ﹤0.01% 1413
2020
Q4 		$4.74M Buy
12,934
+8,191
+173% +$2.62M 0.01% 524
2020
Q3 		$1.33M Sell
4,743
-5,800
-55% -$1.51M 0.01% 449
2020
Q2 		$2.5M Buy
+10,543
New +$2.13M 0.02% 305

Other funds holding MPWR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's MPWR Position: Q2 2026 in Review

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund reduced its Monolithic Power Systems (MPWR) stake by 44% in Q2 2026, selling an estimated $89.5M and leaving 76,360 shares worth $106M. The position accounts for 0.15% of the portfolio, ranked #116.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in MPWR in Q2 2020 and has held it in 23 quarters since. The position peaked at $184M in Q4 2025. 1,243 funds tracked by Wall St. Rank hold MPWR as of Q2 2026.

  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund held 76,360 shares of Monolithic Power Systems worth $106M as of Q2 2026.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund sold 59,578 Monolithic Power Systems shares in Q2 2026, an estimated $89.5M.
  • Monolithic Power Systems made up 0.15% of Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's portfolio in Q2 2026, its #116 holding.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in Monolithic Power Systems in Q2 2020 and has held it in 23 quarters since.
  • Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's Monolithic Power Systems position peaked at $184M in Q4 2025.
  • 1,243 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q2 2026.

Based on Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's 13F filing for Q2 2026, filed 13 Aug 2026.