IMPINJ INC PI
COM · Common Stock · CUSIP 453204109 · ISIN US4532041096
American manufacturer of RFID devices
- SectorTechnology
- IndustryElectronic Components, NEC
- HeadquartersSeattle, WA
- Founded2000
- Websiteimpinj.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($12.8m this quarter). Holder counts are more reliable. Shares outstanding: 28.1m as of 2024-07-12, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $156.76. Options: 13 managers hold calls ($22.8m notional), 8 hold puts ($16.9m).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 192 |
| Q4 2022 | 242 |
| Q1 2023 | 263 |
| Q2 2023 | 224 |
| Q3 2023 | 194 |
| Q4 2023 | 200 |
| Q1 2024 | 229 |
| Q2 2024 | 274 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 134 | 86 |
| Q1 2023 | 135 | 120 |
| Q2 2023 | 126 | 146 |
| Q3 2023 | 113 | 115 |
| Q4 2023 | 101 | 110 |
| Q1 2024 | 109 | 110 |
| Q2 2024 | 149 | 121 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $27.2m | $25.8m | 0.95 |
| Q4 2023 | $28.4m | $36.3m | 1.28 |
| Q1 2024 | $36.6m | $24.0m | 0.66 |
| Q2 2024 | $22.8m | $16.9m | 0.74 |
Biggest buyers
| Assenagon Asset Management S.A. | New | +658.6k |
| LORD, ABBETT & CO. LLC | Added | +473.2k |
| ALLIANCEBERNSTEIN L.P. | Added | +466.9k |
| MACQUARIE GROUP LTD | New | +369.9k |
| VANGUARD GROUP INC | Added | +282.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Added | +244.4k |
| Invesco Ltd. | Added | +198.7k |
| RENAISSANCE TECHNOLOGIES LLC | New | +192.1k |
| TWO SIGMA INVESTMENTS, LP | Added | +191.7k |
| TWO SIGMA ADVISERS, LP | New | +154.4k |
Biggest sellers
| MORGAN STANLEY | Reduced | -1.5m |
| SYLEBRA CAPITAL LLC | Reduced | -1.0m |
| Point72 Asset Management, L.P. | Sold out | -459.5k |
| FRED ALGER MANAGEMENT, LLC | Reduced | -368.1k |
| Cinctive Capital Management LP | Reduced | -265.0k |
| JANUS HENDERSON GROUP PLC | Reduced | -222.3k |
| Allspring Global Investments Holdings, LLC | Reduced | -144.1k |
| JPMORGAN CHASE & CO | Reduced | -144.1k |
| Toronado Partners, LLC | Reduced | -140.9k |
| AMERIPRISE FINANCIAL INC | Reduced | -139.0k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $10.1m64.4k shares |
| CITADEL ADVISORS LLC | Reduced | $7.7m49.4k shares |
| PEAK6 Investments LLC | Added | $1.5m9.3k shares |
| JANE STREET GROUP, LLC | Reduced | $1.4m9.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $721.0k4.6k shares |
| Walleye Capital LLC | Added | $564.4k3.6k shares |
| Cubist Systematic Strategies, LLC | Reduced | $376.2k2.4k shares |
| TWO SIGMA SECURITIES, LLC | Unchanged | $282.2k1.8k shares |
| BANK OF AMERICA CORP /DE/ | New | $94.1k600 shares |
| GROUP ONE TRADING LLC | Reduced | $15.7k100 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $8.3m53.0k shares |
| CITADEL ADVISORS LLC | Reduced | $5.1m32.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.3m8.3k shares |
| JANE STREET GROUP, LLC | Reduced | $877.9k5.6k shares |
| Walleye Trading LLC | Reduced | $799.5k5.1k shares |
| Walleye Capital LLC | Reduced | $470.3k3.0k shares |
| GROUP ONE TRADING LLC | Unchanged | $31.4k200 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2026-10-27 | 14.7% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.2% |
| STATE STREET CORP 13G · institution new · filed 2026-08-07 | 5.6% |
Fell to 5% or below in the last year: Capital International Investors (4.5%, 2026-05-14), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), SYLEBRA CAPITAL LLC (3.8%, 2025-12-17)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 6 | $8.6m | — |
| Q4 2022 | 0 | — | 6 | $77.9m | — |
| Q1 2023 | 2 | $6.9m | 5 | $12.1m | — |
| Q2 2023 | 1 | $2.0m | 5 | $2.9m | $1.4m |
| Q3 2023 | 1 | $66.8m | 5 | $1.5m | $628.2k |
| Q4 2023 | 1 | $19.8m | 5 | $770.5k | $62.1k |
| Q1 2024 | 0 | — | 5 | $14.9m | $5.3m |
| Q2 2024 | 0 | — | 8 | $171.0m | $7.2m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-06-25 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $750.3k5.0k shares |
| 2024-06-24 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $964.9k6.5k shares |
| 2024-06-24 | MECKLAI HUSSEIN CHIEF OPERATING OFFICER | Sold | $122.9k833 shares |
| 2024-06-24 | DOSSETT JEFFREY CHIEF REVENUE OFFICER | Sold | $86.2k584 shares |
| 2024-06-24 | Baker Cary CHIEF FINANCIAL OFFICER | Sold | $74.3k503 shares |
| 2024-06-24 | PHELAN CATHAL G CHIEF INNOVATION OFFICER, director | Sold | $31.3k212 shares |
| 2024-06-18 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $754.6k5.0k shares |
| 2024-06-17 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $834.9k5.6k shares |
| 2024-06-17 | DOSSETT JEFFREY CHIEF REVENUE OFFICER | Sold | $110.8k739 shares |
| 2024-06-17 | MECKLAI HUSSEIN CHIEF OPERATING OFFICER | Sold | $74.2k495 shares |
| 2024-06-17 | Baker Cary CHIEF FINANCIAL OFFICER | Sold | $46.2k308 shares |
| 2024-06-11 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $732.5k5.0k shares |
| 2024-06-10 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $738.8k5.0k shares |
| 2024-06-10 | WASHINGTON MIRON Director | Sold | $222.1k1.5k shares |
| 2024-06-06 | Gibson Daniel Patrick +1 Director · See footnote | Sold | $153.1m1.0m shares |
| 2024-06-04 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $824.3k5.0k shares |
| 2024-06-03 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $817.7k5.0k shares |
| 2024-05-31 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold plan | $816.0k5.0k shares |
| 2024-05-21 | PHELAN CATHAL G CHIEF INNOVATION OFFICER, director | Sold | $118.2k708 shares |
| 2024-05-02 | Baker Cary CHIEF FINANCIAL OFFICER | Sold | $1.6m10.0k shares |
| 2024-05-01 | MECKLAI HUSSEIN CHIEF OPERATING OFFICER | Sold | $771.9k5.0k shares |
| 2024-04-26 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold | $3.9m26.7k shares |
| 2024-04-26 | PHELAN CATHAL G CHIEF INNOVATION OFFICER, director | Sold | $1.5m10.0k shares |
| 2024-04-26 | DOSSETT JEFFREY CHIEF REVENUE OFFICER | Sold | $1.2m8.0k shares |
| 2024-04-26 | PADVAL UMESH Director | Sold | $526.1k3.5k shares |
| 2024-04-15 | DIORIO CHRIS PH.D. CHIEF EXECUTIVE OFFICER, director | Sold | $147.6k1.2k shares |
| 2024-04-15 | DOSSETT JEFFREY CHIEF REVENUE OFFICER | Sold | $59.1k498 shares |
| 2024-04-15 | MECKLAI HUSSEIN CHIEF OPERATING OFFICER | Sold | $51.7k435 shares |
| 2024-04-15 | Baker Cary CHIEF FINANCIAL OFFICER | Sold | $44.4k374 shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| FMR LLC 0.04% of their portfolio | 4.2m $651.7m | Added +77.3k |
| SYLEBRA CAPITAL LLC 18.59% of their portfolio | 3.2m $501.2m | Reduced -1.0m |
| VANGUARD GROUP INC 0.01% of their portfolio | 2.8m $437.9m | Added +282.8k |
| BlackRock Inc. 0.01% of their portfolio | 2.0m $309.0m | Added +113.0k |
| Chevy Chase Trust Holdings, LLC 0.46% of their portfolio | 913.2k $143.2m | Reduced -111.1k |
| STATE STREET CORP 0.01% of their portfolio | 857.9k $134.5m | Reduced -16.1k |
| Capital International Investors 0.03% of their portfolio | 790.3k $123.9m | Added +32.7k |
| Invesco Ltd. 0.02% of their portfolio | 698.0k $109.4m | Added +198.7k |
| MORGAN STANLEY 0.01% of their portfolio | 677.5k $106.2m | Reduced -1.5m |
| Assenagon Asset Management S.A. 0.26% of their portfolio | 658.6k $103.3m | New |
| LORD, ABBETT & CO. LLC 0.16% of their portfolio | 623.6k $97.8m | Added +473.2k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 615.7k $96.5m | Added +466.9k |
| Capital World Investors 0.01% of their portfolio | 546.4k $85.7m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 535.2k $83.9m | Added +13.4k |
| AMERIPRISE FINANCIAL INC 0.02% of their portfolio | 501.6k $78.6m | Reduced -139.0k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% of their portfolio | 399.5k $62.6m | Added +244.4k |
| MACQUARIE GROUP LTD 0.07% of their portfolio | 369.9k $58.0m | New |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.20% of their portfolio | 343.2k $53.8m | Added +136.1k |
| AWM Investment Company, Inc. 6.17% of their portfolio | 291.6k $45.7m | Reduced -27.7k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.21% of their portfolio | 274.9k $43.1m | Reduced -100.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 272.9k $42.8m | Reduced -144.1k |
| ROYCE & ASSOCIATES LP 0.35% of their portfolio | 236.5k $37.1m | Reduced -59.2k |
| AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio | 221.4k $34.7m | Reduced -62.6k |
| Allspring Global Investments Holdings, LLC 0.06% of their portfolio | 219.0k $34.3m | Reduced -144.1k |
| JANUS HENDERSON GROUP PLC 0.02% of their portfolio | 217.3k $34.0m | Reduced -222.3k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 213.0k $33.4m | Reduced -3.1k |
| JENNISON ASSOCIATES LLC 0.02% of their portfolio | 207.9k $32.6m | Added +7.4k |
| TWO SIGMA INVESTMENTS, LP 0.07% of their portfolio | 201.3k $31.6m | Added +191.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.05% of their portfolio | 192.1k $30.1m | New |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 187.0k $29.3m | Added +4.7k |
| WASATCH ADVISORS LP 0.15% of their portfolio | 173.8k $27.2m | Reduced -87.7k |
| MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio | 169.5k $26.6m | Reduced -64.4k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 168.6k $26.4m | Reduced -64.6k |
| EMERALD ADVISERS, LLC 1.11% of their portfolio | 168.6k $26.4m | Added +4.6k |
| EAGLE ASSET MANAGEMENT INC 0.14% of their portfolio | 165.3k $25.7m | Reduced -32.5k |
| TWO SIGMA ADVISERS, LP 0.05% of their portfolio | 154.4k $24.2m | New |
| COOPER CREEK PARTNERS MANAGEMENT LLC 0.86% of their portfolio | 149.8k $23.5m | Reduced -46.1k |
| AXA S.A. 0.03% of their portfolio | 147.7k $23.1m | New |
| EMERALD MUTUAL FUND ADVISERS TRUST 1.13% of their portfolio | 137.5k $21.6m | Added +9.3k |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 132.1k $20.7m | Added +101.1k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 121.2k $19.0m | Added +7.5k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 119.9k $18.8m | Reduced -34.9k |
| Trexquant Investment LP 0.26% of their portfolio | 108.3k $17.0m | Added +90.6k |
| TUDOR INVESTMENT CORP ET AL 0.19% of their portfolio | 107.8k $16.9m | Added +59.3k |
| TimesSquare Capital Management, LLC 0.26% of their portfolio | 105.4k $16.5m | Reduced -44.1k |
| FRED ALGER MANAGEMENT, LLC 0.08% of their portfolio | 103.6k $16.2m | Reduced -368.1k |
| BNP PARIBAS FINANCIAL MARKETS 0.02% of their portfolio | 102.2k $16.0m | Added +80.2k |
| AGF MANAGEMENT LTD 0.08% of their portfolio | 97.2k $15.2m | Reduced -1.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 84.4k $13.2m | Added +9.6k |
| SCOUT INVESTMENTS, INC. 0.34% of their portfolio | 81.2k $12.7m | Reduced -7.7k |
| Toronado Partners, LLC 8.05% of their portfolio | 80.1k $12.6m | Reduced -140.9k |
| UBS Group AG 0.00% of their portfolio | 79.8k $12.5m | Reduced -17.2k |
| Squarepoint Ops LLC 0.04% of their portfolio | 69.2k $10.9m | Added +57.7k |
| PANAGORA ASSET MANAGEMENT INC 0.05% of their portfolio | 66.4k $10.4m | Added +29.3k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 65.5k $10.3m | Reduced -416 |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 65.5k $10.3m | Added +41.3k |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 62.8k $9.9m | New |
| SEI INVESTMENTS CO 0.01% of their portfolio | 62.2k $9.8m | Reduced -11.2k |
| G2 Investment Partners Management LLC 2.07% of their portfolio | 50.9k $8.0m | Reduced -3.2k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.05% of their portfolio | 49.3k $7.7m | Reduced -23.4k |
| Swiss National Bank 0.00% of their portfolio | 46.3k $7.3m | Added +900 |
| Cubist Systematic Strategies, LLC 0.12% of their portfolio | 45.4k $7.1m | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.02% of their portfolio | 42.9k $6.7m | Reduced -5.5k |
| Cinctive Capital Management LP 0.35% of their portfolio | 42.0k $6.6m | Reduced -265.0k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.02% of their portfolio | 41.9k $6.6m | First filing |
| Lisanti Capital Growth, LLC 1.52% of their portfolio | 40.2k $6.3m | Reduced -18.1k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.13% of their portfolio | 37.9k $5.9m | Reduced -2.8k |
| Man Group plc 0.02% of their portfolio | 36.8k $5.8m | New |
| HBK INVESTMENTS L P 0.13% of their portfolio | 35.0k $5.5m | Not comparable |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 32.9k $5.2m | Added +248 |
| CASTLEARK MANAGEMENT LLC 0.20% of their portfolio | 30.6k $4.8m | New |
| Ion Asset Management Ltd. 0.31% of their portfolio | 30.0k $4.7m | Reduced -58.2k |
| BARCLAYS PLC 0.00% of their portfolio | 29.6k $4.6m | Added +8.7k |
| Quantbot Technologies LP 0.21% of their portfolio | 28.2k $4.4m | New |
| Informed Momentum Co LLC 0.70% of their portfolio | 27.6k $4.3m | New |
| Raymond James Financial Services Advisors, Inc. 0.01% of their portfolio | 27.2k $4.3m | Reduced -1.9k |
| Global IMC LLC 0.95% of their portfolio | 27.1k $4.2m | New |
| GILDER GAGNON HOWE & CO LLC 0.05% of their portfolio | 25.9k $4.1m | Reduced -2.0k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 25.6k $4.0m | Added +951 |
| Schonfeld Strategic Advisors LLC 0.03% of their portfolio | 25.5k $4.0m | Reduced -73.6k |
| Walleye Capital LLC 0.04% of their portfolio | 25.3k $4.0m | Added +21.3k |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 25.1k $3.9m | New |
| Legal & General Group Plc 0.00% of their portfolio | 24.6k $3.9m | Added +945 |
| Taylor Frigon Capital Management LLC 1.81% of their portfolio | 24.3k $3.8m | Reduced -10.7k |
| Apis Capital Advisors, LLC 2.80% of their portfolio | 24.2k $3.8m | Reduced -1.4k |
| IRONWOOD INVESTMENT MANAGEMENT LLC 2.02% of their portfolio | 24.0k $3.8m | Added +5 |
| K.J. Harrison & Partners Inc 0.61% of their portfolio | 23.7k $3.7m | Added +12.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 22.9k $3.6m | Reduced -156 |
| COMERICA BANK 0.01% of their portfolio | 22.8k $3.6m | Reduced -8.6k |
| SG Americas Securities, LLC 0.02% of their portfolio | 22.3k $3.5m | Added +18.3k |
| Polymer Capital Management (HK) LTD 0.63% of their portfolio | 19.8k $3.1m | Added +4.2k |
| Trek Financial, LLC 0.24% of their portfolio | 19.3k $3.0m | New |
| Numerai GP LLC 1.08% of their portfolio | 18.9k $3.0m | New |
| RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio | 18.9k $3.0m | Added +4.4k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 17.1k $2.7m | Reduced -567 |
| Bayesian Capital Management, LP 0.29% of their portfolio | 16.0k $2.5m | Added +14.2k |
| SCOPIA CAPITAL MANAGEMENT LP 0.37% of their portfolio | 16.0k $2.5m | New |
| ALGERT GLOBAL LLC 0.08% of their portfolio | 15.9k $2.5m | Added +12.7k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 15.6k $2.4m | Reduced -9.2k |
| WEALTH EFFECTS LLC 0.86% of their portfolio | 15.1k $2.4m | Reduced -15 |