Impinj
315 hedge funds and large institutions have $4.69B invested in Impinj in 2026 Q2 according to their latest regulatory filings, with 65 funds opening new positions, 120 increasing their positions, 85 reducing their positions, and 37 closing their positions.
128% more call options, than puts
Call options by funds: $51.4M | Put options by funds: $22.5M
76% more first-time investments, than exits
New positions opened: 65 | Existing positions closed: 37
43% more capital invested
Capital invested by funds: $3.28B → $4.69B (+$1.42B)
41% more repeat investments, than reductions
Existing positions increased: 120 | Existing positions reduced: 85
8% more funds holding
Funds holding: 291 → 315 (+24)
2.22% more ownership
Funds ownership: 105.42% → 107.64% (+2.2%)
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$95.5M |
| 2 |
BBCM
Broad Bay Capital Management
New York
|
+$42.9M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$36.8M |
| 4 |
Westfield Capital Management
Boston,
Massachusetts
|
+$35.3M |
| 5 |
Manulife (Manufacturers Life Insurance)
Canada,
Ontario, Canada
|
+$31.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Alyeska Investment Group
Chicago,
Illinois
|
-$75.5M |
| 2 |
UBS AM
Chicago,
Illinois
|
-$53.9M |
| 3 |
SC
Sylebra Capital
Palo Alto,
California
|
-$46.5M |
| 4 |
Ameriprise
Minneapolis,
Minnesota
|
-$42.7M |
| 5 |
PAMP
Polar Asset Management Partners
Toronto,
Ontario, Canada
|
-$14M |
PI Hedge Fund Activity: Q2 2026 in Review
315 institutional investors reported a position in Impinj (PI) for Q2 2026, worth a combined $4.69B — up 43% from $3.28B a quarter earlier.
Buyers outnumbered sellers: 65 funds opened new PI positions and 37 closed out — a net gain of 28 holders — while 120 added to existing stakes and 85 trimmed.
The largest buyer was Millennium Management, adding an estimated $95.5M. The largest seller was Alyeska Investment Group, exiting entirely with an estimated $75.5M sold.
- 315 institutional investors held Impinj (PI) as of Q2 2026, up from 291 in Q1 2026.
- Funds reported $4.69B of Impinj stock for Q2 2026, up 43% quarter-over-quarter.
- 65 funds opened new Impinj positions in Q2 2026 and 37 closed out, a net change of +28 holders.
- The largest Impinj buyer in Q2 2026 was Millennium Management, an estimated $95.5M added.
- The largest Impinj seller in Q2 2026 was Alyeska Investment Group, an estimated $75.5M sold.
Based on aggregated 13F filings for Q2 2026.