Impinj Ownership | Who Owns Impinj?
Impinj Ownership Summary
Impinj is owned by 64.22% institutional investors, 4.15% insiders, and 31.63% retail investors. Fmr is the largest institutional shareholder, holding 14.96% of PI shares. American Funds SMALLCAP World A is the top mutual fund, with 7.67% of its assets in Impinj shares.
PI Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Impinj | 64.22% | 4.15% | 31.63% |
| Sector | Technology Stocks | 35.23% | 13.13% | 51.64% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 4.34M | 14.96% | $784.19M |
| Blackrock funding, inc. /de | 4.27M | 14.57% | $742.50M |
| Vanguard group | 3.47M | 11.81% | $603.11M |
| Blackrock | 1.97M | 7.07% | $308.97M |
| Sylebra capital | 1.83M | 6.31% | $330.64M |
| Capital investors | 1.56M | 5.34% | $272.20M |
| State street | 1.28M | 4.36% | $222.19B |
| Whale rock capital management | 1.22M | 4.22% | $221.34M |
| Invesco | 1.21M | 4.17% | $218.58M |
| Capital world investors | 754.35K | 2.58% | $131.26M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sylebra capital | 1.83M | 18.26% | $330.64M |
| Toronado partners | 68.78K | 11.43% | $11.97M |
| Peregrine investment management | 40.64K | 4.39% | $7.07M |
| Awm investment company | 178.17K | 2.99% | $31.00M |
| Whale rock capital management | 1.22M | 2.61% | $221.34M |
| Gallo partners, lp | 13.38K | 1.80% | $2.42M |
| Pachira investments | 18.10K | 1.53% | $3.15M |
| Taylor frigon capital management | 17.18K | 1.51% | $2.99M |
| Hel ved capital management | 31.82K | 1.49% | $5.54M |
| Next century growth investors | 104.64K | 1.38% | $18.91M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Driehaus capital management | 514.50K | 0.67% | 514.50K |
| Janus henderson group | 435.96K | 0.03% | 424.85K |
| Invesco | 1.21M | 0.03% | 393.69K |
| Whale rock capital management | 1.22M | 2.61% | 338.49K |
| Norges bank | 317.31K | 0.01% | 317.31K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Dld asset management, lp | - | - | -11.75M |
| Macquarie group | - | - | -459.45K |
| Morgan stanley | 271.75K | 0.00% | -408.95K |
| Point72 asset management | - | - | -317.10K |
| Sylebra capital | 1.83M | 18.26% | -300.00K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Driehaus capital management | 514.50K | 0.67% | 514.50K | $93.00M |
| Norges bank | 317.31K | 0.01% | 317.31K | $55.22M |
| Axa investment managers | 176.01K | 0.09% | 176.01K | $31.81M |
| T. rowe price investment management | 163.49K | 0.02% | 163.49K | $29.55M |
| Oberweis asset management inc/ | 107.12K | 0.74% | 107.12K | $19.36M |
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 |
| Riggs asset managment | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 9 | -97.35% | 2,431,215 | -92.07% | 8 | 0.07% | 5 | -97.46% | 1 | -98.94% |
| Dec 31, 2024 | 152 | -54.76% | 12,716,483 | -57.54% | 45 | 0.40% | 86 | -58.65% | 49 | -44.32% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| American Funds SMALLCAP World A | 2.32M | 7.67% | - |
| iShares Core S&P Small-Cap ETF | 1.62M | 5.37% | 1.62M |
| Fidelity Growth Compy Commingled Pl S | 1.21M | 4.00% | 10.01K |
| Fidelity Select Semiconductors | 1.12M | 3.71% | - |
| Fidelity Growth Company Fund | 892.74K | 2.95% | -1.32K |
| Vanguard Total Stock Mkt Idx Inv | 859.89K | 2.84% | 1.97K |
| Vanguard US Total Market Shares ETF | 755.86K | 2.65% | 58.77K |
| Fidelity Growth Compy Commingled Pl O | 694.34K | 2.47% | - |
| iShares Russell 2000 ETF | 650.57K | 2.15% | 192.78K |
| Vanguard Information Technology ETF | 633.86K | 2.10% | 2.63K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 15, 2025 | SYLEBRA CAPITAL LLC | See Footnote | Sell | $20.24M |
| Dec 12, 2025 | SYLEBRA CAPITAL LLC | See Footnote | Sell | $7.42M |
| Dec 11, 2025 | SYLEBRA CAPITAL LLC | See Footnote | Sell | $14.58M |
| Dec 08, 2025 | SYLEBRA CAPITAL LLC | See Footnote | Sell | $400.83K |
| Dec 09, 2025 | SYLEBRA CAPITAL LLC | See Footnote | Sell | $6.40K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2025 Q4 | - | 23 |
| 2025 Q3 | - | 38 |
| 2025 Q2 | - | - |
| 2025 Q1 | - | 24 |
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