$138.41
+18.37 (+15.30%)
Market Cap
$3.7B
Shares Outstanding
30,231,686
Institutional Holders
274
Total Inst. Value
$2.7B
% of Float Held
104.7%
QoQ Holder Change
+100
Institutional data as of Q1 2025
New Positions
60
Closed Positions
81
Increased
108
Decreased
85
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | FMR LLC | $385.9M | 4,255,050 |
| 2 | BlackRock, Inc. | $338.7M | 3,733,856 |
| 3 | VANGUARD GROUP INC | $306.7M | 3,381,671 |
| 4 | SYLEBRA CAPITAL LLC | $193.1M | 2,129,260 |
| 5 | Capital International Investors | $138.6M | 1,527,587 |
| 6 | Whale Rock Capital Management LLCNew | $111.7M | 1,231,916 |
| 7 | STATE STREET CORP | $108.7M | 1,198,728 |
| 8 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $88.2M | 972,260 |
| 9 | Capital World Investors | $68.4M | 754,346 |
| 10 | Chevy Chase Trust Holdings, LLC | $66.4M | 731,955 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| FMR LLC | +37K | $385.9M |
| Whale Rock Capital Management LLCNew | +1.2M | $111.7M |
| STATE STREET CORP | +31K | $108.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | +732K | $88.2M |
| Capital World Investors | +208K | $68.4M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| SYLEBRA CAPITAL LLC | -1.3M | $193.1M |
| ALLIANCEBERNSTEIN L.P. | -458K | $2.4M |
| UBS Group AG | -263K | $9.2M |
| FEDERATED HERMES, INC. | -188K | $466K |
| COOPER CREEK PARTNERS MANAGEMENT LLC | -159K | $2.4M |
Famous Fund Managers
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Frequently Asked Questions
How many institutional investors hold PI?
As of Q1 2025, 274 institutional investors report holding PI (Impinj, Inc.) in their 13F filings.
What percentage of Impinj, Inc. is owned by institutions?
Institutional investors hold approximately 104.7% of Impinj, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most PI?
The largest institutional holder of PI is FMR LLC with $385.9M in shares.
Are institutions buying or selling PI?
This quarter, 60 institutions opened new positions in PI and 81 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.