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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
JP Morgan Chase
1
JP Morgan Chase
New York
$202M +$201K +4,492 +0.1%
BlackRock
2
BlackRock
New York
$155M -$3.91M -87,384 -2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$114M +$1.17M +26,242 +1%
State Street
4
State Street
Massachusetts
$38.5M -$590K -13,195 -2%
NIM
5
Needham Investment Management
New York
$32M -$3.06M -68,500 -9%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$25.9M -$32.9K -736 -0.1%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$25.1M +$1.01M +22,550 +4%
AIC
8
AWM Investment Company
New York
$15.1M -$1.74M -39,000 -10%
Morgan Stanley
9
Morgan Stanley
New York
$14.9M +$2.88M +64,411 +24%
PA
10
Pinnacle Associates
New York
$12.3M -$3.78M -84,607 -24%
Northern Trust
11
Northern Trust
Illinois
$10.9M -$144K -3,231 -1%
ACM
12
Ashford Capital Management
Delaware
$10.5M -$294K -6,583 -3%
CC
13
Colrain Capital
Massachusetts
$10.4M +$1.3M +29,200 +15%
HIM
14
Herald Investment Management
United Kingdom
$10.4M
Millennium Management
15
Millennium Management
New York
$9.97M -$2M -44,733 -17%
Charles Schwab
16
Charles Schwab
California
$9.71M +$41.4K +927 +0.4%
Citadel Advisors
17
Citadel Advisors
Florida
$7.56M +$4.5M +100,679 +153%
N
18
Nuveen
North Carolina
$7.52M -$260K -5,825 -3%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$6.75M +$233K +5,208 +4%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$6.41M -$87K -1,946 -1%
Ameriprise
21
Ameriprise
Minnesota
$6.09M +$182K +4,064 +3%
Principal Financial Group
22
Principal Financial Group
Iowa
$5.69M +$473K +10,574 +9%
PGCM
23
Prescott Group Capital Management
Oklahoma
$4.59M +$250K +5,590 +6%
MHP
24
Manatuck Hill Partners
Connecticut
$4.54M +$532K +11,900 +14%
Bank of America
25
Bank of America
North Carolina
$4.09M +$879K +19,660 +28%

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.