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VICR · Vicor Corp

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$194.62 +4.63 (+2.44%) At close · Aug 25
Market Cap
$8.76B
Shares
46.11M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 514
Total Value: $8,954,684,551
Total Shares: 23,578,611

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 514 13F filers · Δ vs Mar 31, 2026
Top Holder
10.4%
Sep 2023 → Jun 2026 · range 10.4% – 22.9%
−2.8 pts
Top 5
41.3%
Sep 2023 → Jun 2026 · range 40.8% – 61.6%
−0.3 pts
Top 10
56.2%
Sep 2023 → Jun 2026 · range 52.8% – 72.2%
+0.5 pts
HHI
456
Sep 2023 → Jun 2026 · range 446 – 1,080
Broadly held−15

Quarterly Activity

vs Mar 31, 2026
New
190
Increased
160
Decreased
133
Sold Out
48
Unchanged
31
Holder count: +142
Institutional value: +154.8%
Shares held: +8.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 538
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 751978 CUSIP 925815102 13F (30d) 425 filings 420 filers Visit website Investor relations