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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
RHJA
51
Rice Hall James & Associates
California
$1.54M -$2.19K -49 -0.1%
Royal Bank of Canada
52
Royal Bank of Canada
Ontario, Canada
$1.53M +$827K +18,512 +122%
TI
53
Trexquant Investment
Connecticut
$1.48M +$683K +15,281 +88%
IIM
54
Ironwood Investment Management
Massachusetts
$1.43M -$48.6K -1,088 -3%
ACM
55
Alight Capital Management
New York
$1.36M -$223K -5,000 -14%
Jacobs Levy Equity Management
56
Jacobs Levy Equity Management
New Jersey
$1.35M -$132K -2,952 -9%
Squarepoint
57
Squarepoint
New York
$1.32M -$247K -5,516 -16%
D.E. Shaw & Co
58
D.E. Shaw & Co
New York
$1.29M +$513K +11,473 +68%
T. Rowe Price Associates
59
T. Rowe Price Associates
Maryland
$1.17M +$67.8K +1,517 +6%
Prudential Financial
60
Prudential Financial
New Jersey
$1.09M +$70.7K +1,583 +7%
Acadian Asset Management
61
Acadian Asset Management
Massachusetts
$1.07M +$662K +14,805 +167%
Federated Hermes
62
Federated Hermes
Pennsylvania
$1.06M -$4.11M -91,936 -80%
BIP
63
Bouvel Investment Partners
Pennsylvania
$1.06M -$55.6K -1,245 -5%
CSS
64
Cubist Systematic Strategies
Connecticut
$1.04M -$83.4K -1,867 -8%
AllianceBernstein
65
AllianceBernstein
Tennessee
$1.04M
WG
66
Winton Group
United Kingdom
$1.01M -$402 -9 -0%
Norges Bank
67
Norges Bank
Norway
$1M -$564K -12,609 -36%
IIM
68
INTECH Investment Management
Florida
$989K -$16.6K -371 -2%
California State Teachers Retirement System (CalSTRS)
69
California State Teachers Retirement System (CalSTRS)
California
$912K -$74.3K -1,663 -8%
GC
70
GatePass Capital
Ohio
$907K
Canada Life
71
Canada Life
Manitoba, Canada
$877K
XT
72
XTX Topco
Cayman Islands
$797K +$786K +17,577 New
Deutsche Bank
73
Deutsche Bank
Germany
$790K -$410K -9,175 -34%
SFI
74
Susquehanna Fundamental Investments
Pennsylvania
$788K
Thrivent Financial for Lutherans
75
Thrivent Financial for Lutherans
Minnesota
$770K +$2.55K +57 +0.3%

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.