SEATTLE, WA
IMPINJ INCPI— Latest position per institution from SEC 13F filings
15
Institutional holders
48.84M
Total shares held
4.41B
Estimated value
2.44M
Avg. position size
DLD ASSET MANAGEMENT, LP
CIK 1578299
Shares
11.75M
Value
19.74M
Filed
Sep 30, 2025
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
CIK 1081019
Shares
4.92M
Value
34.34K
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
4.56M
Value
653.53M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
4.45M
Value
637.29M
Filed
Jun 30, 2026
SYLEBRA CAPITAL LTD
CIK 1627436
Shares
3.95M
Value
217.29M
Filed
Sep 30, 2023
VANGUARD GROUP INC
CIK 102909
Shares
3.47M
Value
603.11M
Filed
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.19M
Value
314.28M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
1.97M
Value
308.97M
Filed
Jun 30, 2024
STATE STREET CORP
CIK 93751
Shares
1.70M
Value
243.57M
Filed
Jun 30, 2026
CAPITAL INTERNATIONAL INVESTORS
CIK 1562230
Shares
1.44M
Value
206.75M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.28M
Value
183.72M
Filed
Jun 30, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
1.12M
Value
161M
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
834.38K
Value
119.51M
Filed
Jun 30, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
804.34K
Value
115.21M
Filed
Jun 30, 2026
SYLEBRA CAPITAL LLC
CIK 2003074
Shares
775.94K
Value
111.14M
Filed
Jun 30, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
737.47K
Value
128.33M
Filed
Dec 31, 2025
CHEVY CHASE TRUST HOLDINGS, LLC
CIK 1462020
Shares
737.14K
Value
105.58M
Filed
Jun 30, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
734.79K
Value
75.46M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
733.59K
Value
105.09M
Filed
Jun 30, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 928047
Shares
669.32K
Value
95.87M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | DLD ASSET MANAGEMENT, LP | 1578299 | 11.75M | 19.74M | Sep 30, 2025 |
| 2 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | 4.92M | 34.34K | Jun 30, 2026 |
| 3 | FMR LLC | 315066 | 4.56M | 653.53M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 4.45M | 637.29M | Jun 30, 2026 |
| 5 | SYLEBRA CAPITAL LTD | 1627436 | 3.95M | 217.29M | Sep 30, 2023 |
| 6 | VANGUARD GROUP INC | 102909 | 3.47M | 603.11M | Dec 31, 2025 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.19M | 314.28M | Jun 30, 2026 |
| 8 | BLACKROCK FINANCE, INC. | 1364742 | 1.97M | 308.97M | Jun 30, 2024 |
| 9 | STATE STREET CORP | 93751 | 1.70M | 243.57M | Jun 30, 2026 |
| 10 | CAPITAL INTERNATIONAL INVESTORS | 1562230 | 1.44M | 206.75M | Jun 30, 2026 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.28M | 183.72M | Jun 30, 2026 |
| 12 | CAPITAL WORLD INVESTORS | 1422849 | 1.12M | 161M | Jun 30, 2026 |
| 13 | MILLENNIUM MANAGEMENT LLC | 1273087 | 834.38K | 119.51M | Jun 30, 2026 |
| 14 | AMERICAN CENTURY COMPANIES INC | 748054 | 804.34K | 115.21M | Jun 30, 2026 |
| 15 | SYLEBRA CAPITAL LLC | 2003074 | 775.94K | 111.14M | Jun 30, 2026 |
| 16 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 737.47K | 128.33M | Dec 31, 2025 |
| 17 | CHEVY CHASE TRUST HOLDINGS, LLC | 1462020 | 737.14K | 105.58M | Jun 30, 2026 |
| 18 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 734.79K | 75.46M | Mar 31, 2026 |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 733.59K | 105.09M | Jun 30, 2026 |
| 20 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | 669.32K | 95.87M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.