Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record · archived quarter

PI

Impinj, Inc. · Technology · Semiconductors

166.22 +3.2% mkt cap $5.08B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
16Tracked holders
+5Δ holders
3.70MShares held
$537.06MReported value
+5New positions
−0Exits
Strongly Rising Conviction score 73/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +30.0% · share flow +21.6% · net new positions +20.0%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 107 +3 25.42M $3.64B +11 −7
Q1 2026 106 -5 24.72M $2.54B +8 −14
Q4 2025 112 +2 26.42M $4.61B +5 −2
Q3 2025 17 -1 16.24M $2.94B +2 −4
Q2 2025 16 0 15.36M $1.71B +2 −2
Q1 2025 13 -3 3.95M $358.59M +1 −4
Q4 2024 16 +5 3.70M $537.06M +5
Q3 2024 10 0 1.87M $404.99M +3 −3
Q2 2024 10 1.82M $285.10M
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 1.17M $169.67M 0.0% n/c 1 SEC ↗
2 Geode Capital Management (passive) 546.82K +0.7% $79.65M 0.0% ▲ Add 3 SEC ↗
3 Geode Capital Management (passive) 546.82K +0.7% $79.65M 0.0% ▲ Add 3 SEC ↗
4 Capital World Investors 546.35K 0.0% $79.36M 0.0% Held 3 SEC ↗
5 Norges Bank (passive) 276.05K +95.8% $40.10M 0.0% ▲ Add 2 SEC ↗
6 Renaissance Technologies 224.40K +3.5% $32.60M 0.0% ▲ Add 3 SEC ↗
7 T. Rowe Price 219.08K +244.8% $31.82M 0.0% ▲ Add 3 SEC ↗
8 T. Rowe Price 219.08K +244.8% $31.82M 0.0% ▲ Add 3 SEC ↗
9 Point72 Asset Management 211.32K New $30.70M 0.1% New 1 SEC ↗
10 Citadel Advisors 146.57K New $21.29M 0.0% New 1 SEC ↗
11 Citadel Advisors 146.57K New $21.29M 0.0% New 1 SEC ↗
12 Two Sigma Investments 140.77K -14.7% $20.45M 0.0% ▼ Trim 3 SEC ↗
13 Arrowstreet Capital 76.19K New $11.07M 0.0% New 1 SEC ↗
14 Millennium Management 70.36K +10.6% $10.22M 0.0% ▲ Add 3 SEC ↗
15 D. E. Shaw & Co. 21.23K New $3.08M 0.0% New 1 SEC ↗
16 D. E. Shaw & Co. 21.23K New $3.08M 0.0% New 1 SEC ↗
17 Wellington Management 18.49K -83.8% $2.69M 0.0% ▼ Trim 2 SEC ↗
18 Wellington Management 18.49K -83.8% $2.69M 0.0% ▼ Trim 2 SEC ↗
19 AQR Capital Management 16.91K +13.5% $2.46M 0.0% ▲ Add 3 SEC ↗
20 AQR Capital Management 16.91K +13.5% $2.46M 0.0% ▲ Add 3 SEC ↗
21 AQR Capital Management 16.91K +13.5% $2.46M 0.0% ▲ Add 3 SEC ↗
22 AQR Capital Management 16.91K +13.5% $2.46M 0.0% ▲ Add 3 SEC ↗
23 Marshall Wace 11.58K New $1.68M 0.0% New 1 SEC ↗
24 Gotham Asset Management 1.50K -10.0% $217,454 0.0% ▼ Trim 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Point72 Asset Management $30.70M 0.1%
Citadel Advisors $21.29M 0.0%
Citadel Advisors $21.29M 0.0%
Arrowstreet Capital $11.07M 0.0%
D. E. Shaw & Co. $3.08M 0.0%
D. E. Shaw & Co. $3.08M 0.0%
Marshall Wace $1.68M 0.0%

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 286 holders, 31.72M shares, $3.18B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 10 Baker Cary

Officer · 1.43K sh · $264,365

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 07 SC 13G — STATE STREET CORP

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API