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322 hedge funds and large institutions have $5.71B invested in Impinj in 2025 Q3 according to their latest regulatory filings, with 78 funds opening new positions, 84 increasing their positions, 118 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed

145% more call options, than puts

Call options by funds: $61.7M | Put options by funds: $25.2M

133% more funds holding in top 10

Funds holding in top 10: 37 (+4)

66% more first-time investments, than exits

New positions opened: 78 | Existing positions closed: 47

64% more capital invested

Capital invested by funds: $3.49B → $5.71B (+$2.22B)

10% more funds holding

Funds holding: 293322 (+29)

0.37% more ownership

Funds ownership: 108.26%108.62% (+0.37%)

29% less repeat investments, than reductions

Existing positions increased: 84 | Existing positions reduced: 118

Holders
322
Holders Change
+29
Holders Change %
+9.9%
% of All Funds
4.23%
Holding in Top 10
7
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+133.33%
% of All Funds
0.09%
New
78
Increased
84
Reduced
118
Closed
47
Calls
$61.7M
Puts
$25.2M
Net Calls
+$36.5M
Net Calls Change
+$44.1M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$784M +$2.64M +16,744 +0.4%
BlackRock
2
BlackRock
New York
$741M +$35.9M +227,806 +6%
Vanguard Group
3
Vanguard Group
Pennsylvania
$611M -$22M -139,282 -4%
SC
4
Sylebra Capital
California
$331M -$47.3M -300,000 -14%
Capital International Investors
5
Capital International Investors
California
$283M
WRCM
6
Whale Rock Capital Management
Massachusetts
$221M +$53.4M +338,487 +38%
Invesco
7
Invesco
Georgia
$219M +$62.1M +393,685 +48%
State Street
8
State Street
Massachusetts
$208M -$9.93M -62,964 -5%
Capital World Investors
9
Capital World Investors
California
$136M
Chevy Chase Trust
10
Chevy Chase Trust
Maryland
$125M -$7.69M -48,787 -7%
Morgan Stanley
11
Morgan Stanley
New York
$123M -$12.1M -76,544 -10%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$122M +$35.9M +227,788 +51%
Ameriprise
13
Ameriprise
Minnesota
$121M +$4.09M +25,908 +4%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$113M +$4.41M +27,981 +5%
DCM
15
Driehaus Capital Management
Illinois
$93M +$81.1M +514,500 New
American Century Companies
16
American Century Companies
Missouri
$68.8M +$11.7M +74,137 +24%
UBS AM
17
UBS AM
Illinois
$65M -$51.3M -325,211 -48%
UBS Group
18
UBS Group
Switzerland
$63.4M +$9M +57,086 +19%
Northern Trust
19
Northern Trust
Illinois
$55.5M +$533K +3,377 +1%
Goldman Sachs
20
Goldman Sachs
New York
$48.4M +$1.16M +7,348 +3%
Charles Schwab
21
Charles Schwab
California
$46.3M +$4.3M +27,265 +12%
Janus Henderson Group
22
Janus Henderson Group
United Kingdom
$45.3M -$24.4M -154,653 -38%
N
23
Nuveen
North Carolina
$45M -$5.46M -34,629 -12%
Jennison Associates
24
Jennison Associates
New York
$44.7M -$228K -1,449 -0.6%
William Blair Investment Management
25
William Blair Investment Management
Illinois
$36.3M +$31.6M +200,605 New

PI Hedge Fund Activity: Q3 2025 in Review

322 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Impinj (PI) for Q3 2025, worth a combined $5.71B — up 64% from $3.49B a quarter earlier.

Buyers outnumbered sellers: 78 funds opened new PI positions and 47 closed out — a net gain of 31 holders — while 84 added to existing stakes and 118 trimmed.

The largest buyer was Driehaus Capital Management, opening a new position worth an estimated $81.1M. The largest seller was UBS AM, cutting an estimated $51.3M.

  • 322 institutional investors held Impinj (PI) as of Q3 2025, up from 293 in Q2 2025.
  • Funds reported $5.71B of Impinj stock for Q3 2025, up 64% quarter-over-quarter.
  • 78 funds opened new Impinj positions in Q3 2025 and 47 closed out, a net change of +31 holders.
  • The largest Impinj buyer in Q3 2025 was Driehaus Capital Management, an estimated $81.1M added.
  • The largest Impinj seller in Q3 2025 was UBS AM, an estimated $51.3M sold.

Based on aggregated 13F filings for Q3 2025.