Impinj Ownership | Who Owns Impinj?

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Impinj Ownership Summary

Impinj is owned by 149.26% institutional investors, 4.23% insiders. Dld asset management, lp is the largest institutional shareholder, holding 41.37% of PI shares. American Funds SMALLCAP World A is the top mutual fund, with 8.00% of its assets in Impinj shares.

PI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Impinj	149.26%	4.23%	-53.49%
Sector	Technology Stocks	143.99%	12.56%	-56.55%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Dld asset management, lp	12.00M	41.37%	$15.01M
Fmr	4.22M	14.97%	$612.64M
Blackrock funding, inc. /de	3.87M	13.34%	$429.90M
Vanguard group	3.44M	12.22%	$500.01M
Sylebra capital	2.13M	7.43%	$193.12M
Blackrock	1.97M	7.07%	$308.97M
Capital investors	1.56M	5.39%	$173.74M
State street	857.90K	3.08%	$134.49M
Whale rock capital management	886.10K	3.05%	$98.42M
Capital world investors	754.35K	2.60%	$83.79M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Toronado partners	197.44K	15.56%	$21.93M
Sylebra capital	2.13M	9.73%	$193.12M
Awm investment company	178.17K	2.22%	$19.79M
Pachira investments	20.50K	2.08%	$3.71M
Taylor frigon capital management	17.97K	1.61%	$3.25M
Whale rock capital management	886.10K	1.37%	$98.42M
Ironwood investment management	23.05K	1.25%	$2.56M
Lisanti capital growth	33.63K	1.04%	$3.74M
Dld asset management, lp	12.00M	0.85%	$15.01M
Emerald advisers	157.92K	0.64%	$17.54M

Top Buyers

Holder	Shares	% Assets	Change
Dld asset management, lp	12.00M	0.85%	12.00M
Janus henderson group	435.96K	0.03%	424.85K
Ubs group	364.51K	0.01%	287.46K
Norges bank	276.05K	0.01%	276.05K
Price t rowe associates inc /md/	219.08K	0.00%	155.54K

Top Sellers

Holder	Shares	% Assets	Change
Macquarie group	-	-	-459.45K
Invesco	305.15K	0.01%	-432.90K
Point72 asset management	317.10K	0.07%	-361.12K
Whale rock capital management	886.10K	1.37%	-345.82K
Westfield capital management co lp	-	-	-274.85K

New Positions

Holder	Shares	% Assets	Change	Value
Dld asset management, lp	12.00M	0.85%	12.00M	$15.01M
Norges bank	276.05K	0.01%	276.05K	$40.10M
Polar asset management partners	115.64K	0.20%	115.64K	$12.84M
Granite investment partners	109.48K	0.59%	109.48K	$12.16M
Toroso investments	88.95K	0.10%	88.95K	$12.92M

Sold Out

Holder	Change
Huntington national bank	-1.00
Eversource wealth advisors	-1.00
Rosenberg matthew hamilton	-1.00
Householder group estate & retirement specialist	-1.00
Toronto dominion bank	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Sep 30, 2024	334	18.44%	29,942,501	7.48%	106	1.07%	208	41.50%	88	-11.11%
Jun 30, 2024	281	16.60%	27,859,067	-0.23%	99	0.96%	146	32.73%	99	10.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
American Funds SMALLCAP World A	2.32M	8.00%	36.66K
Fidelity Select Semiconductors	1.41M	4.85%	-
iShares Core S&P Small-Cap ETF	1.40M	4.80%	-
Fidelity Growth Compy Commingled Pl S	969.23K	3.33%	1.20K
Vanguard Total Stock Mkt Idx Inv	810.68K	2.79%	-17.41K
Vanguard US Total Market Shares ETF	755.86K	2.65%	58.77K
Fidelity Growth Compy Commingled Pl O	694.34K	2.47%	-
Fidelity Growth Company Fund	649.21K	2.23%	-2.49K
Vanguard Small Cap Index	633.12K	2.18%	-4.15K
iShares Russell 2000 ETF	626.43K	2.15%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 15, 2025	DIORIO CHRIS PH.D.	CHIEF EXECUTIVE OFFICER	Sell	$347.13K
Sep 15, 2025	DIORIO CHRIS PH.D.	CHIEF EXECUTIVE OFFICER	Sell	$230.29K
Sep 15, 2025	DIORIO CHRIS PH.D.	CHIEF EXECUTIVE OFFICER	Sell	$101.82K
Sep 15, 2025	DIORIO CHRIS PH.D.	CHIEF EXECUTIVE OFFICER	Sell	$84.36K
Sep 15, 2025	DIORIO CHRIS PH.D.	CHIEF EXECUTIVE OFFICER	Sell	$146.05K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	-
2025 Q3	-	38
2025 Q2	-	-
2025 Q1	-	24
2024 Q4	-	72

PI Ownership FAQ

Who owns the most shares of Impinj?

Impinj’s largest shareholders are Dld asset management, lp (12M shares, 41.37%), Fmr (4.22M shares, 14.97%), and Blackrock funding, inc. /de (3.87M shares, 13.34%). Together, they hold 69.68% of Impinj’s total shares outstanding.

Does Blackrock own Impinj?

Yes, BlackRock owns 7.07% of Impinj, totaling 1.97M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 308.97M$. In the last quarter, BlackRock increased its holdings by 113.03K shares, a 6.08% change.

Who is Impinj’s biggest shareholder by percentage of total assets invested?

Toronado partners is Impinj’s biggest shareholder by percentage of total assets invested, with 15.56% of its assets in 197.44K Impinj shares, valued at 21.93M$.

Who is the top mutual fund holder of Impinj shares?

American Funds SMALLCAP World A is the top mutual fund holder of Impinj shares, with 8.00% of its total shares outstanding invested in 2.32M Impinj shares.

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