IMPINJ INC hedge fund holdings
PINASDAQ$189.61+5.74 (+3.12%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
PI · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+3.8%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 144 | 85 | $363M | $254M | 269 | Aug 14, 2025 |
| Q3 2025 | 120 | 119 | $591M | $495M | 297 | Nov 14, 2025 |
| Q4 2025 | 134 | 101 | $485M | $453M | 306 | Feb 14, 2026 |
| Q1 2026 | 122 | 119 | $436M | $469M | 281 | May 15, 2026 |
| Q2 2026 | 126 | 86 | $563M | $457M | 297 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
297 filersNew position
51$128M+892K sh
Increased
75$436M+3.04M sh
Reduced
57-$275M-1.92M sh
Out / sold
29-$182M-1.27M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Sylebra Capital LLC | Reduce 31.46% | -$51M | $111M | 11.77% | Aug 14, 2026 |
| Broad Bay Capital Management, LP | New Buy | +$47.1M | $47.1M | 4.40% | Aug 14, 2026 |
| Westfield Capital Management Co LP | New Buy | +$38.8M | $38.8M | 0.13% | Aug 12, 2026 |
| Capital World Investors | Added 10.63% | +$15.5M | $161M | 0.02% | Aug 12, 2026 |
| T. Rowe Price Investment Management, Inc. | Reduce 35.70% | -$15.3M | $27.6M | 0.02% | Aug 14, 2026 |
| Capital International Investors | Added 6.73% | +$13M | $207M | 0.04% | Aug 12, 2026 |
| Fiera Capital Corp | Reduce 42.88% | -$12.5M | $16.6M | 0.06% | Aug 7, 2026 |
| Oberweis Asset Management Inc/ | Sell 100% | -$12.1M | $0 | 0.00% | Aug 14, 2026 |
| Wellington Management Group LLP | Sell 100% | -$10.8M | $0 | 0.00% | Aug 14, 2026 |
| Summit Partners Public Asset Management, LLC | New Buy | +$8.81M | $8.81M | 0.15% | Aug 14, 2026 |
| Weiss Asset Management LP | New Buy | +$8.27M | $8.27M | 0.09% | Aug 14, 2026 |
| Riverbridge Partners LLC | New Buy | +$8.02M | $8.02M | 0.22% | Jul 13, 2026 |
| Fred Alger Management, LLC | Reduce 25.60% | -$7.88M | $22.9M | 0.08% | Aug 14, 2026 |
| Kornitzer Capital Management Inc | Added 494.72% | +$7.25M | $8.71M | 0.18% | Jul 31, 2026 |
| William Blair Investment Management, LLC | Added 15.85% | +$5.82M | $42.5M | 0.13% | Aug 12, 2026 |
| Cinctive Capital Management LP | Reduce 80.36% | -$4.98M | $1.22M | 0.04% | Aug 14, 2026 |
| Toronado Partners, LLC | Reduce 46.65% | -$4.69M | $5.36M | 15.09% | Aug 13, 2026 |
| Susquehanna Fundamental Investments, LLC | Added 252.61% | +$4.34M | $6.05M | 0.11% | Aug 14, 2026 |
| Polar Capital Holdings Plc | Added 286.49% | +$4M | $5.39M | 0.01% | Aug 14, 2026 |
| Nordea Investment Management AB | Sell 100% | -$3.63M | $0 | 0.00% | Aug 5, 2026 |
| Polymer Capital Management (HK) LTD | New Buy | +$2.69M | $2.69M | 0.14% | Aug 13, 2026 |
| Baillie Gifford & Co | Reduce 10.42% | -$2.6M | $22.3M | 0.02% | Aug 6, 2026 |
| Tidal Investments LLC | Added 15.80% | +$2.16M | $15.8M | 0.03% | Aug 13, 2026 |
| Congress Asset Management Co | Sell 100% | -$1.81M | $0 | 0.00% | Jul 7, 2026 |
| Inspire Advisors, LLC | Sell 100% | -$1.61M | $0 | 0.00% | Aug 13, 2026 |
| K.J. Harrison & Partners Inc | Reduce 38.93% | -$1.46M | $2.29M | 0.32% | Aug 7, 2026 |
| First Trust Advisors LP | Reduce 85.05% | -$1.46M | $257K | 0.00% | Aug 11, 2026 |
| Formula Growth Ltd | New Buy | +$1.36M | $1.36M | 0.48% | Aug 17, 2026 |
| State of New Jersey Common Pension Fund D | Reduce 48.70% | -$1.27M | $1.34M | 0.00% | Aug 4, 2026 |
| Mitsubishi UFJ Asset Management Co., Ltd. | Added 22.19% | +$988K | $5.44M | 0.00% | Aug 7, 2026 |
| Gilder Gagnon Howe & Co LLC | Added 24.44% | +$896K | $4.56M | 0.05% | Aug 14, 2026 |
| Lisanti Capital Growth, LLC | New Buy | +$801K | $801K | 0.18% | Aug 10, 2026 |
| Niles Investment Management, LLC | Sell 100% | -$697K | $0 | 0.00% | Aug 14, 2026 |
| Emerald Advisers, LLC | Reduce 2.66% | -$693K | $25.3M | 0.60% | Aug 5, 2026 |
| Susquehanna Portfolio Strategies, LLC | Sell 100% | -$663K | $0 | 0.00% | Aug 14, 2026 |
| Allstate Corp | Sell 100% | -$642K | $0 | 0.00% | Aug 13, 2026 |
| State of Alaska, Department of Revenue | Reduce 29.26% | -$626K | $1.51M | 0.02% | Jul 20, 2026 |
| Van Eck Associates Corp | Added 31.76% | +$609K | $2.53M | 0.00% | Aug 14, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 2.41% | +$556K | $23.6M | 0.02% | Aug 13, 2026 |
| Handelsbanken Fonder AB | Added 59.38% | +$544K | $1.46M | 0.00% | Jul 10, 2026 |
| Quantitative Investment Management, LLC | Sell 100% | -$503K | $0 | 0.00% | Aug 14, 2026 |
| Stephens Investment Management Group LLC | Added 4.23% | +$482K | $11.9M | 0.13% | Jul 29, 2026 |
| Public Sector Pension Investment Board | Reduce 3.46% | -$479K | $13.3M | 0.03% | Aug 13, 2026 |
| Inceptionr LLC | Sell 100% | -$469K | $0 | 0.00% | Aug 11, 2026 |
| Jennison Associates LLC | Reduce 2.98% | -$464K | $15.1M | 0.01% | Aug 3, 2026 |
| Clare Market Investments LLC | New Buy | +$385K | $385K | 0.07% | Jul 27, 2026 |
| SummitTX Capital, L.P. | New Buy | +$384K | $384K | 0.01% | Aug 14, 2026 |
| Hilltop Partners LLC | New Buy | +$376K | $376K | 0.09% | Aug 5, 2026 |
| Total Wealth Planning & Management, Inc. | New Buy | +$326K | $326K | 0.22% | Jul 28, 2026 |
| Aberdeen Group plc | Reduce 1.44% | -$321K | $22M | 0.03% | Jul 31, 2026 |
| Odyssean, LLC | Added 62.32% | +$319K | $830K | 0.14% | Aug 14, 2026 |
| Kennedy Capital Management LLC | Reduce 7.99% | -$318K | $3.67M | 0.06% | Aug 14, 2026 |
| Swiss Life Asset Management Ltd | New Buy | +$291K | $291K | 0.00% | Jul 29, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 7.81% | +$277K | $3.83M | 0.00% | Aug 13, 2026 |
| Soros Fund Management LLC | Reduce 45.14% | -$251K | $305K | 0.00% | Aug 14, 2026 |
| Kestra Private Wealth Services, LLC | New Buy | +$249K | $249K | 0.00% | Jul 28, 2026 |
| LJI Wealth Management, LLC | New Buy | +$243K | $243K | 0.03% | Jul 31, 2026 |
| Avior Wealth Management, LLC | New Buy | +$243K | $243K | 0.01% | Jul 7, 2026 |
| Delta Global Management LP | New Buy | +$237K | $237K | 0.03% | Aug 13, 2026 |
| AlphaGrep UK Ltd | Sell 100% | -$234K | $0 | 0.00% | Aug 14, 2026 |
| Profund Advisors LLC | New Buy | +$225K | $225K | 0.01% | Aug 11, 2026 |
| DNB Asset Management AS | New Buy | +$223K | $223K | 0.00% | Aug 11, 2026 |
| Keybank National Association | New Buy | +$217K | $217K | 0.00% | Jul 28, 2026 |
| Greenwood Capital Associates LLC | Reduce 30.45% | -$196K | $448K | 0.04% | Jul 28, 2026 |
| Z3 Capital Partners, LLC | Added 3.72% | +$193K | $5.4M | 1.13% | Jul 28, 2026 |
| Jamison Private Wealth Management, Inc. | Added 13.55% | +$176K | $1.47M | 0.15% | Jul 16, 2026 |
| Shufro Rose & Co LLC | Reduce 19.35% | -$172K | $716K | 0.04% | Aug 12, 2026 |
| Register Financial Advisors LLC | Reduce 26.40% | -$159K | $444K | 0.14% | Jul 15, 2026 |
| Pacer Advisors, Inc. | New Buy | +$158K | $158K | 0.00% | Aug 13, 2026 |
| KLP Kapitalforvaltning As | Added 15.87% | +$143K | $1.05M | 0.00% | Aug 12, 2026 |
| Generali Investments Towarzystwo Funduszy Inwestycyjnych | Added 7.41% | +$143K | $2.08M | 0.83% | Jul 22, 2026 |
| Segall Bryant & Hamill, LLC | Added 1.77% | +$119K | $6.85M | 0.08% | Aug 12, 2026 |
| Institute for Wealth Management, LLC. | New Buy | +$115K | $115K | 0.01% | Jul 28, 2026 |
| Bayforest Capital Ltd | New Buy | +$106K | $106K | 0.10% | Aug 5, 2026 |
| Asset Management One Co., Ltd. | Sell 100% | -$95.3K | $0 | 0.00% | Jul 28, 2026 |
| Virtus Advisers, LLC | Sell 100% | -$92.4K | $0 | 0.00% | Aug 11, 2026 |
| Community Financial Services Group, LLC | New Buy | +$85.4K | $85.4K | 0.01% | Jul 9, 2026 |
| Holocene Advisors, LP | Reduce 7.26% | -$82.5K | $1.05M | 0.00% | Aug 14, 2026 |
| CANADA LIFE ASSURANCE Co | Reduce 2.50% | -$80.8K | $3.15M | 0.01% | Aug 13, 2026 |
| Ironwood Investment Management LLC | Added 2.43% | +$79.1K | $3.33M | 1.15% | Aug 14, 2026 |
| Guggenheim Capital LLC | Reduce 6.44% | -$74.8K | $1.09M | 0.01% | Aug 12, 2026 |
| Peregrine Investment Management Inc | Added 0.73% | +$74.2K | $10.2M | 4.33% | Jul 23, 2026 |
| Oppenheimer Asset Management Inc. | Added 14.27% | +$69.3K | $555K | 0.01% | Aug 3, 2026 |
| Vident Advisory, LLC | Added 11.79% | +$53K | $503K | 0.00% | Aug 12, 2026 |
| SFE Investment Counsel | Reduce 8.65% | -$43.7K | $461K | 0.06% | Aug 5, 2026 |
| Bamco Inc | Added 1552.63% | +$42.3K | $45K | 0.00% | Aug 14, 2026 |
| Xponance LLC | Added 10.53% | +$41K | $430K | 0.00% | Aug 10, 2026 |
| Inspire Investing, LLC | Reduce 5.49% | -$40K | $689K | 0.03% | Aug 12, 2026 |
| Aster Capital Management (DIFC) Ltd | Sell 100% | -$37.7K | $0 | 0.00% | Aug 14, 2026 |
| Elevation Point Wealth Partners, LLC | Added 7.35% | +$36K | $525K | 0.01% | Aug 12, 2026 |
| Assetmark, Inc | Reduce 5.10% | -$33.9K | $632K | 0.00% | Jul 30, 2026 |
| Quantinno Capital Management LP | Added 1.75% | +$29.4K | $1.71M | 0.00% | Aug 13, 2026 |
| Summit Securities Group LLC | Sell 100% | -$23.2K | $0 | 0.00% | Aug 3, 2026 |
| Thrivent Financial for Lutherans | Reduce 0.88% | -$22.6K | $2.55M | 0.00% | Aug 14, 2026 |
| Silvant Capital Management LLC | New Buy | +$21.5K | $21.5K | 0.00% | Aug 11, 2026 |
| Mather Group, LLC. | Added 76.92% | +$14.3K | $32.9K | 0.00% | Jul 27, 2026 |
| Ensign Peak Advisors, Inc | Reduce 6.16% | -$14.3K | $218K | 0.00% | Aug 14, 2026 |
| Daiwa Securities Group Inc. | Added 29.41% | +$14.3K | $63K | 0.00% | Jul 31, 2026 |
| Bessemer Group Inc | Added 0.43% | +$13.6K | $3.18M | 0.00% | Aug 12, 2026 |
| Lido Advisors, LLC | Added 3.14% | +$13.5K | $442K | 0.00% | Aug 7, 2026 |