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Disclosery

PI IMPINJ INC

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COM (common), issuer CIK 1114995

314 managers (319 13F filers) reported a position in PI shares at 2024-12-31, 30,644,003 shares in all. 57 filers opened a position and 72 filers sold out during the quarter.

Managers
314
13F filers
319
New
57
Added
125
Reduced
94
Sold out
72
Shares held by filers
30,644,003

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
DIORIO CHRIS PH.D.director, officer (CHIEF EXECUTIVE OFFICER)2026-10-12-10,000 G$0Form 4

13F holders, Q4 2024

Filers in the available 13F reports with a share position at 2024-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Inspire Investing, LLCin group Inspire Investing, LLC2,752$400K0.04%+85413F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP2,732$397K<0.01%+20513F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…2,722$395K<0.01%013F-HRTimeline
LMR Partners LLPin group LMR Partners LLP2,686$390K0.01%new13F-HRTimelineGroup
SHERBROOKE PARK ADVISERS LLC2,672$388K0.12%+1,15313F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP2,652$385K<0.01%-3,43413F-HRTimelineGroup
JAMISON PRIVATE WEALTH MANAGEMENT, INC.2,638$383K0.06%+1,26313F-HRTimeline
Legato Capital Management LLC2,600$378K0.05%-1,48513F-HRTimeline
Stordahl Capital Management, Inc.2,500$363K0.09%new13F-HRTimeline
Aigen Investment Management, LP2,459$357K0.06%new13F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding2,457$357K-24,076Timeline
Dynamic Technology Lab Private Ltd2,366$344K0.06%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,323$337K0.01%013F-HRTimelineGroup
BANTAMAC CAPITAL, LLC2,303$335K0.15%+3113F-HRTimeline
Corton Capital Inc.2,269$330K0.19%new13F-HRTimeline
DIVERSIFIED TRUST CO2,251$327K0.01%+24013F-HRTimeline
Pacific Sage Partners, LLC2,251$327K0.07%-113F-HRTimeline
Avitas Wealth Management LLC2,240$325K0.05%-5813F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…2,215$322K<0.01%-25613F-HRTimelineGroup
Scientech Research LLC2,197$319K0.09%-3,08913F-HRTimeline
BAILARD, INC.2,178$316K0.01%new13F-HRTimeline
ARK & TLK INVESTMENTS, LLC2,150$312K0.11%+50013F-HRTimeline
CIBC WORLD MARKETS CORP2,145$312K<0.01%new13F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …2,108$306K<0.01%+6413F-HRTimelineGroup
Versant Capital Management, Inc2,087$303K0.07%013F-HRTimeline
Meridian Wealth Management, LLC2,000$291K0.01%new13F-HRTimeline
Headlands Technologies LLC1,990$289K0.03%+1,90713F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,976$287K<0.01%-40813F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC1,977$287K0.02%-6,10113F-HRTimelineGroup
Cynosure Group, LLC1,953$284K0.04%+14213F-HRTimeline
First Bank & Trust1,936$281K0.05%+16813F-HRTimeline
MML INVESTORS SERVICES, LLC1,817$264K<0.01%new13F-HRTimeline
LJI Wealth Management, LLC1,800$261K0.05%013F-HRTimeline
111 Capital1,721$250K0.05%13F-HRTimeline
SHUFRO ROSE & CO LLC1,700$247K0.02%013F-HRTimeline
Crossmark Global Holdings, Inc.1,683$245K<0.01%-3413F-HRTimeline
XPONANCE LLC1,660$241K<0.01%+15813F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV1,641$238K<0.01%+10613F-HRTimeline
Cetera Investment Advisers1,626$236K<0.01%+33213F-HRTimeline
EP Wealth Advisors, LLC1,623$236K<0.01%+26713F-HRTimeline
Arrowpoint Investment Partners (Singapo…in group Arrowpoint Investment Partner…1,550$225K0.14%13F-HRTimelineGroup
COLDSTREAM CAPITAL MANAGEMENT INC1,498$218K<0.01%-1,55313F-HRTimeline
Gotham Asset Management, LLC1,497$217K<0.01%-16713F-HRTimeline
AlphaQuest LLC1,482$215K0.03%+54113F-HRTimeline
State of Wyoming1,342$195K0.02%+1313F-HRTimeline
Pacer Advisors, Inc.1,293$188K<0.01%-64613F-HRTimeline
EDMOND DE ROTHSCHILD HOLDING S.A.in group EDMOND DE ROTHSCHILD HOLDING …1,224$178K<0.01%013F-HRTimelineGroup
Asset Management One Co., Ltd.1,178$174K<0.01%+54213F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.1,075$156K0.04%new13F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.1,000$150K<0.01%013F-HRTimelineGroup
WHITTIER TRUST CO930$135K<0.01%-7013F-HRTimeline
KBC Group NVin group KBC Group NV909$132K<0.01%+22813F-HRTimelineGroup
Leonteq Securities AG800$116K0.01%-413F-HRTimeline
GROUP ONE TRADING LLC735$107K<0.01%new13F-HR/ATimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.672$97.6K<0.01%-4,34513F-HR/ATimelineGroup
Steward Partners Investment Advisory, L…605$87.9K<0.01%+7213F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management601$87.3K<0.01%new13F-HRTimelineGroup
SouthState Bank Corpin group SouthState Bank Corp600$87.2K0.01%013F-HRTimelineGroup
NewEdge Advisors, LLC520$75.5K<0.01%-413F-HRTimeline
C M BIDWELL & ASSOCIATES LTD478$69.4K0.04%-1013F-HRTimeline
GAMMA Investing LLC428$62.2K0.01%+3113F-HRTimeline
HBC Financial Services, PLLC417$60K0.04%013F-HRTimeline
IFP Advisors, Inc368$53.5K<0.01%+19813F-HRTimeline
Advisors Asset Management, Inc.351$51K<0.01%-12713F-HR/ATimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…308$44.7K<0.01%-59113F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC296$43K<0.01%+3213F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP260$37.8K<0.01%+17513F-HRTimelineGroup
Future Financial Wealth Managment LLC250$36.3K0.03%013F-HRTimeline
SBI Securities Co., Ltd.227$33K<0.01%13F-HRTimeline
Farther Finance Advisors, LLC205$29.8K<0.01%+5113F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD200$29.1K<0.01%new13F-HRTimeline
Coppell Advisory Solutions LLC170$24.9K<0.01%+6213F-HRTimeline
TD Waterhouse Canada Inc.158$22.9K<0.01%-4413F-HRTimeline
R Squared Ltd150$21.8K0.02%13F-HRTimeline
Clearstead Advisors, LLC101$14.7K<0.01%-1713F-HRTimeline
MAI Capital Management98$14.2K<0.01%new13F-HRTimeline
Matrix Trust Co88$13K<0.01%+513F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC87$12.6K<0.01%013F-HRTimeline
Aster Capital Management (DIFC) Ltd87$12.6K<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC78$11.3K<0.01%+6813F-HRTimeline
Smartleaf Asset Management LLC65$9.53K<0.01%+5713F-HRTimeline
SALEM INVESTMENT COUNSELORS INC65$9.44K<0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/55$7.99K<0.01%-8213F-HRTimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…54$7.84K<0.01%+813F-HRTimelineGroup
WealthCollab, LLC52$7.55K<0.01%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC51$7K<0.01%+2513F-HRTimelineGroup
Covestor Ltd50$7K<0.01%+4913F-HRTimeline
Lindbrook Capital, LLC44$6.39K<0.01%-213F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…41$5.96K<0.01%+3513F-HRTimelineGroup
Allworth Financial LP32$4.44K<0.01%-213F-HRTimeline
Federation des caisses Desjardins du Qu…25$3.63K<0.01%013F-HRTimeline
SIGNATUREFD, LLC24$3.49K<0.01%013F-HRTimeline
Sterling Capital Management LLC23$3.34K<0.01%013F-HRTimeline
Manchester Capital Management LLC23$3.34K<0.01%013F-HRTimeline
Parallel Advisors, LLC22$3.2K<0.01%+413F-HRTimeline
SIERRA OCEAN, LLC20$2.9K<0.01%13F-HRTimeline
Rakuten Securities, Inc.19$2.76K<0.01%new13F-HRTimeline
High Note Wealth, LLC15$2.18K<0.01%new13F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…14$2.03K<0.01%new13F-HRTimelineGroup
WOLFF WIESE MAGANA LLC14$2.03K<0.01%013F-HRTimeline
BERKSHIRE CAPITAL HOLDINGS INC10$1.45K<0.01%-33,34013F-HRTimeline
Caitong International Asset Management …10$1.45K<0.01%13F-HR/ATimeline
First Pacific Financial9$1.31K<0.01%new13F-HRTimeline
Global Retirement Partners, LLC9$1.31K<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…8$1.16K<0.01%-113F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC7$1.02K<0.01%-1213F-HRTimeline
Arax Advisory Partners7$1.02K<0.01%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB5$726<0.01%-213F-HRTimeline
Blue Trust, Inc.5$726<0.01%-4813F-HR/ATimeline
Cassady Schiller Wealth Management, LLC3$436<0.01%new13F-HRTimeline
CoreCap Advisors, LLC2$291<0.01%-1,29813F-HRTimeline
Abound Wealth Management1$146<0.01%013F-HRTimeline
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$00%013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD0$00%013F-HRTimelineGroupValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.

Events

  • DIORIO CHRIS PH.D. disposed of 10,000 PI shares on 2026-10-12, Form 4 filed 2026-10-13. 0001677721-26-000020

    Accepted , ingested