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207 hedge funds and large institutions have $866M invested in Vicor in 2025 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 64 increasing their positions, 74 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed

2.69% less ownership

Funds ownership: 59.72%57.03% (-2.7%)

4% less funds holding

Funds holding: 216207 (-9)

7% less capital invested

Capital invested by funds: $934M → $866M (-$68.3M)

14% less repeat investments, than reductions

Existing positions increased: 64 | Existing positions reduced: 74

21% less first-time investments, than exits

New positions opened: 31 | Existing positions closed: 39

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

51% less call options, than puts

Call options by funds: $5.4M | Put options by funds: $11M

Holders
207
Holders Change
-9
Holders Change %
-4.17%
% of All Funds
2.73%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
31
Increased
64
Reduced
74
Closed
39
Calls
$5.4M
Puts
$11M
Net Calls
-$5.56M
Net Calls Change
-$11.1M
Name Holding Trade Value Shares
Change
Change in
Stake
BC
26
Bruce & Co
Illinois
$4.08M +$894K +20,000 +29%
First Trust Advisors
27
First Trust Advisors
Illinois
$3.82M -$211K -4,712 -5%
Public Sector Pension Investment Board (PSP Investments)
28
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.57M +$254K +5,694 +8%
Jane Street
29
Jane Street
New York
$3.55M +$1.3M +28,995 +59%
AQR Capital Management
30
AQR Capital Management
Connecticut
$3.55M +$1.66M +37,222 +91%
RhumbLine Advisers
31
RhumbLine Advisers
Massachusetts
$3.16M +$83.6K +1,870 +3%
Legal & General Group
32
Legal & General Group
United Kingdom
$2.98M +$69.4K +1,553 +2%
UBS AM
33
UBS AM
Illinois
$2.91M +$1.01M +22,519 +54%
Invesco
34
Invesco
Georgia
$2.81M -$119K -2,669 -4%
Goldman Sachs
35
Goldman Sachs
New York
$2.8M -$527K -11,781 -16%
Raymond James Financial
36
Raymond James Financial
Florida
$2.77M +$976K +21,838 +56%
GCP
37
GSA Capital Partners
United Kingdom
$2.65M +$2.61M +58,485 New
Susquehanna International Group
38
Susquehanna International Group
Pennsylvania
$2.2M +$752K +16,832 +53%
Swiss National Bank
39
Swiss National Bank
Switzerland
$2.17M +$116K +2,600 +6%
Barclays
40
Barclays
United Kingdom
$2.1M +$734K +16,421 +55%
Wells Fargo
41
Wells Fargo
California
$2.04M +$529K +11,831 +36%
CD
42
Chapin Davis
Maryland
$2.04M +$375K +8,400 +23%
HIA
43
Harbor Investment Advisory
Maryland
$1.88M -$6.7K -150 -0.4%
Assenagon Asset Management
44
Assenagon Asset Management
Luxembourg
$1.83M -$179 -4 -0%
DFCM
45
Dark Forest Capital Management
Puerto Rico
$1.75M +$208K +4,646 +14%
Qube Research & Technologies (QRT)
46
Qube Research & Technologies (QRT)
United Kingdom
$1.64M +$1.11M +24,876 +221%
Citigroup
47
Citigroup
New York
$1.62M -$102K -2,282 -6%
New York State Teachers Retirement System (NYSTRS)
48
New York State Teachers Retirement System (NYSTRS)
New York
$1.6M
EP
49
Edgestream Partners
New Jersey
$1.56M +$1.54M +34,369 New
Franklin Resources
50
Franklin Resources
California
$1.54M +$248K +5,540 +19%

VICR Hedge Fund Activity: Q2 2025 in Review

207 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Vicor (VICR) for Q2 2025, worth a combined $866M — down 7.3% from $934M a quarter earlier.

Sellers outnumbered buyers: 39 funds closed out of VICR and 31 opened new positions — a net loss of 8 holders — while 74 trimmed existing stakes and 64 added.

The largest buyer was Citadel Advisors, adding an estimated $4.5M. The largest seller was Brown Capital Management, exiting entirely with an estimated $34.5M sold.

  • 207 institutional investors held Vicor (VICR) as of Q2 2025, down from 216 in Q1 2025.
  • Funds reported $866M of Vicor stock for Q2 2025, down 7.3% quarter-over-quarter.
  • 31 funds opened new Vicor positions in Q2 2025 and 39 closed out, a net change of -8 holders.
  • The largest Vicor buyer in Q2 2025 was Citadel Advisors, an estimated $4.5M added.
  • The largest Vicor seller in Q2 2025 was Brown Capital Management, an estimated $34.5M sold.

Based on aggregated 13F filings for Q2 2025.