State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Vicor VICR Stock Holding History

State of Wisconsin Investment Board’s Portfolio VICR Stock Details VICR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.53M Buy
+9,477
New +$1.57M ﹤0.01% 1515
2025
Q4 		– Sell
-10,261
Closed -$510K – 2574
2025
Q3 		$510K Buy
+10,261
New +$500K ﹤0.01% 1885
2025
Q2 		– Sell
-7,395
Closed -$346K – 2425
2025
Q1 		$346K Buy
+7,395
New +$392K ﹤0.01% 1913
2024
Q1 		– Sell
-47,645
Closed -$2.14M – 2430
2023
Q4 		$2.14M Buy
47,645
+11,915
+33% +$525K 0.01% 1226
2023
Q3 		$2.1M Sell
35,730
-27,994
-44% -$1.86M 0.01% 1240
2023
Q2 		$3.44M Buy
63,724
+43
+0.1% +$2.12K 0.01% 1138
2023
Q1 		$2.99M Buy
63,681
+4,990
+9% +$277K 0.01% 1176
2022
Q4 		$3.15M Buy
58,691
+2,509
+4% +$132K 0.01% 1166
2022
Q3 		$3.32M Sell
56,182
-3,595
-6% -$237K 0.01% 1143
2022
Q2 		$3.27M Buy
59,777
+11,077
+23% +$687K 0.01% 1194
2022
Q1 		$3.44M Buy
48,700
+12,400
+34% +$1.11M 0.01% 1299
2021
Q4 		$4.61M Buy
36,300
+4,600
+15% +$651K 0.01% 1069
2021
Q3 		$4.25M Hold
31,700
– – 0.01% 1081
2021
Q2 		$3.35M Sell
31,700
-2,400
-7% -$214K 0.01% 1165
2021
Q1 		$2.9M Sell
34,100
-100
-0.3% -$9.41K 0.01% 1163
2020
Q4 		$3.15M Buy
34,200
+2,300
+7% +$193K 0.01% 1106
2020
Q3 		$2.48M Buy
31,900
+3,000
+10% +$239K 0.01% 1127
2020
Q2 		$2.08M Buy
28,900
+1,200
+4% +$67.4K 0.01% 1117
2020
Q1 		$1.23M Buy
+27,700
New +$1.31M ﹤0.01% 1161

Other funds holding VICR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return

State of Wisconsin Investment Board's VICR Position: Q1 2026 in Review

State of Wisconsin Investment Board opened a new position in Vicor (VICR) in Q1 2026: 9,477 shares worth $1.53M. The stake represents ﹤0.01% of the portfolio and ranks #1515 among its holdings. This is a return to the name: State of Wisconsin Investment Board previously reported a position in VICR as recently as Q3 2025.

State of Wisconsin Investment Board first reported a position in VICR in Q1 2020 and has held it in 19 quarters since. The position peaked at $4.61M in Q4 2021. 369 funds tracked by Wall St. Rank hold VICR as of Q1 2026.

  • State of Wisconsin Investment Board held 9,477 shares of Vicor worth $1.53M as of Q1 2026.
  • Vicor was a new State of Wisconsin Investment Board position in Q1 2026.
  • Vicor made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1515 holding.
  • State of Wisconsin Investment Board first reported a position in Vicor in Q1 2020 and has held it in 19 quarters since.
  • State of Wisconsin Investment Board's Vicor position peaked at $4.61M in Q4 2021.
  • 369 funds tracked by Wall St. Rank held Vicor as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.