MOUNTAIN VIEW, CA
IRIDEX CORPIRIX— Latest position per institution from SEC 13F filings
15
Institutional holders
4.39M
Total shares held
5.22M
Estimated value
219.38K
Avg. position size
PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE
CIK 1047859
Shares
1M
Value
1.01M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
578.71K
Value
659.73K
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
514.59K
Value
519.74K
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
396.63K
Value
400.59K
Filed
Mar 31, 2026
ISTHMUS PARTNERS, LLC
CIK 1639666
Shares
391.13K
Value
848.76K
Filed
Jun 30, 2023
WEBER CAPITAL MANAGEMENT LLC /ADV
CIK 1099905
Shares
259.56K
Value
262.15K
Filed
Mar 31, 2026
AMH EQUITY LTD
CIK 1600535
Shares
184.23K
Value
210.11K
Filed
Sep 30, 2025
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
CIK 1238990
Shares
163.47K
Value
394.00
Filed
Sep 30, 2022
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
160.16K
Value
161.80K
Filed
Mar 31, 2026
ARS INVESTMENT PARTNERS, LLC
CIK 733020
Shares
110.06K
Value
184.90K
Filed
Mar 31, 2025
APEXIUM FINANCIAL, LP
CIK 1765285
Shares
100.53K
Value
115.61K
Filed
Sep 30, 2025
NEUBERGER BERMAN GROUP LLC
CIK 1465109
Shares
75.85K
Value
192.66K
Filed
Sep 30, 2023
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 1107261
Shares
70K
Value
117.60K
Filed
Dec 31, 2024
CITADEL ADVISORS LLC
CIK 1423053
Shares
60.85K
Value
61.46K
Filed
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
60.16K
Value
60.76K
Filed
Mar 31, 2026
UNITED CAPITAL FINANCIAL ADVISORS, LLC
CIK 1463217
Shares
57.53K
Value
58.10K
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
56.48K
Value
121.99K
Filed
Jun 30, 2024
PERKINS CAPITAL MANAGEMENT INC
CIK 884300
Shares
55.30K
Value
55.85K
Filed
Mar 31, 2026
THOMPSON DAVIS & CO., INC.
CIK 1017284
Shares
47.44K
Value
47.92K
Filed
Mar 31, 2026
WOLVERINE TRADING, LLC
CIK 927337
Shares
44.88K
Value
133.74K
Filed
Mar 31, 2024
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE | 1047859 | 1M | 1.01M | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 578.71K | 659.73K | Dec 31, 2025 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 514.59K | 519.74K | Mar 31, 2026 |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 396.63K | 400.59K | Mar 31, 2026 |
| 5 | ISTHMUS PARTNERS, LLC | 1639666 | 391.13K | 848.76K | Jun 30, 2023 |
| 6 | WEBER CAPITAL MANAGEMENT LLC /ADV | 1099905 | 259.56K | 262.15K | Mar 31, 2026 |
| 7 | AMH EQUITY LTD | 1600535 | 184.23K | 210.11K | Sep 30, 2025 |
| 8 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 1238990 | 163.47K | 394.00 | Sep 30, 2022 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 160.16K | 161.80K | Mar 31, 2026 |
| 10 | ARS INVESTMENT PARTNERS, LLC | 733020 | 110.06K | 184.90K | Mar 31, 2025 |
| 11 | APEXIUM FINANCIAL, LP | 1765285 | 100.53K | 115.61K | Sep 30, 2025 |
| 12 | NEUBERGER BERMAN GROUP LLC | 1465109 | 75.85K | 192.66K | Sep 30, 2023 |
| 13 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | 70K | 117.60K | Dec 31, 2024 |
| 14 | CITADEL ADVISORS LLC | 1423053 | 60.85K | 61.46K | Mar 31, 2026 |
| 15 | VANGUARD FIDUCIARY TRUST CO | 933478 | 60.16K | 60.76K | Mar 31, 2026 |
| 16 | UNITED CAPITAL FINANCIAL ADVISORS, LLC | 1463217 | 57.53K | 58.10K | Mar 31, 2026 |
| 17 | BLACKROCK FINANCE, INC. | 1364742 | 56.48K | 121.99K | Jun 30, 2024 |
| 18 | PERKINS CAPITAL MANAGEMENT INC | 884300 | 55.30K | 55.85K | Mar 31, 2026 |
| 19 | THOMPSON DAVIS & CO., INC. | 1017284 | 47.44K | 47.92K | Mar 31, 2026 |
| 20 | WOLVERINE TRADING, LLC | 927337 | 44.88K | 133.74K | Mar 31, 2024 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.