Impinj Ownership | Who Owns Impinj?
Impinj Ownership Summary
Impinj is owned by 109.12% institutional investors, 2.77% insiders. Fmr is the largest institutional shareholder, holding 15.06% of PI shares. American Funds SMALLCAP World A is the top mutual fund, with 7.92% of its assets in Impinj shares.
PI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Impinj | 109.12% | 2.77% | -11.89% |
| Sector | Technology Stocks | 53.78% | 15.04% | 31.18% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 4.56M | 15.06% | $653.53M |
| Blackrock funding, inc. /de | 4.45M | 14.69% | $637.29M |
| Vanguard group | 3.47M | 11.81% | $603.11M |
| Blackrock | 1.97M | 7.07% | $308.97M |
| State street | 1.70M | 5.61% | $243.57M |
| Capital investors | 1.44M | 4.77% | $206.75M |
| Vanguard capital management | 1.28M | 4.23% | $183.72M |
| Capital world investors | 1.12M | 3.71% | $161.00M |
| Millennium management | 834.38K | 2.75% | $119.51M |
| American century companies | 804.34K | 2.66% | $115.21M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Toronado partners | 37.45K | 15.09% | $5.36M |
| Sylebra capital | 775.94K | 11.77% | $111.14M |
| Broad bay capital management, lp | 328.70K | 4.40% | $47.08M |
| Peregrine investment management | 71.01K | 4.33% | $10.17M |
| Awm investment company | 207.02K | 2.57% | $29.65M |
| Gallo partners, lp | 13.38K | 1.80% | $2.42M |
| Taylor frigon capital management | 19.73K | 1.32% | $2.83M |
| Ironwood investment management | 23.26K | 1.15% | $3.33M |
| Pachira investments | 18.10K | 0.98% | $2.59M |
| Generali investments towarzystwo funduszy inwestycyjnych | 14.50K | 0.83% | $2.08M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Millennium management | 834.38K | 0.04% | 732.11K |
| Broad bay capital management, lp | 328.70K | 4.40% | 328.70K |
| Fmr | 4.56M | 0.03% | 282.25K |
| Sixth street partners management company | 277.54K | 0.01% | 277.54K |
| Westfield capital management co lp | 270.65K | 0.13% | 270.65K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Dld asset management, lp | - | - | -11.75M |
| Driehaus capital management | - | - | -737.47K |
| Alyeska investment group | - | - | -734.79K |
| Macquarie group | - | - | -459.45K |
| Ubs asset management americas | 104.71K | 0.00% | -413.11K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Broad bay capital management, lp | 328.70K | 4.40% | 328.70K | $47.08M |
| Sixth street partners management company | 277.54K | 0.01% | 277.54K | $39.75M |
| Westfield capital management co lp | 270.65K | 0.13% | 270.65K | $38.76M |
| Norges bank | 186.18K | 0.00% | 186.18K | $26.67M |
| Axa investment managers | 176.01K | 0.09% | 176.01K | $31.81M |
Sold Out
| Holder | Change |
|---|---|
| Toronto dominion bank | -1.00 |
| Tfc financial management | -1.00 |
| Rosenberg matthew hamilton | -1.00 |
| Householder group estate & retirement specialist | -1.00 |
| Dunhill financial | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 331 | 7.47% | 33,054,690 | 3.72% | 109 | 0.98% | 178 | 2.30% | 90 | 12.50% |
| Mar 31, 2026 | 147 | -57.39% | 7,116,826 | -77.81% | 23 | 0.20% | 85 | -55.50% | 36 | -61.70% |
| Dec 31, 2025 | 237 | -31.10% | 18,841,192 | -56.53% | 64 | 0.29% | 125 | -25.60% | 69 | -42.98% |
| Sep 30, 2025 | 319 | 6.33% | 43,043,183 | 2.03% | 148 | 0.70% | 155 | -19.27% | 113 | 76.56% |
| Jun 30, 2025 | 307 | 5.14% | 43,298,082 | 41.55% | 149 | 1.31% | 197 | 18.67% | 65 | -21.69% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| American Funds SMALLCAP World A | 2.41M | 7.92% | 51.79K |
| iShares Core S&P Small-Cap ETF | 1.65M | 5.40% | 984.00 |
| Fidelity Growth Compy Commingled Pl S | 1.36M | 4.45% | - |
| Fidelity Select Semiconductors | 1.12M | 3.67% | - |
| Fidelity Growth Company Fund | 1.01M | 3.32% | -1.25K |
| Vanguard MStar Total Stk Mkt Idx Invest | 921.71K | 3.02% | 3.01K |
| Vanguard Total Stock Mkt Idx Inv | 918.70K | 3.02% | 1.37K |
| Vanguard Morn Total Stk Mkt Idx Investor | 918.70K | 3.01% | 1.37K |
| Vanguard US Total Market Shares ETF | 755.86K | 2.65% | 58.77K |
| Fidelity Growth Compy Commingled Pl O | 694.34K | 2.47% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 10, 2026 | Baker Cary | CHIEF FINANCIAL OFFICER | Sell | $264.37K |
| Jun 09, 2026 | SYLEBRA CAPITAL LLC | - | Sell | $2.43M |
| Jun 08, 2026 | SYLEBRA CAPITAL LLC | - | Sell | $1.58M |
| Jun 08, 2026 | SYLEBRA CAPITAL LLC | - | Sell | $4.29M |
| Jun 09, 2026 | SYLEBRA CAPITAL LLC | - | Sell | $1.54M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 1 |
| 2026 Q2 | - | 22 |
| 2026 Q1 | - | - |
| 2025 Q4 | - | 23 |
| 2025 Q3 | - | 38 |
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