Latest Period
Q1 2026
Security Snapshot
INSTEEL INDUSTRIES INC - Common Stock (IIIN) Institutional Ownership
CUSIP: 45774W108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
201
Shares (Excl. Options)
15,835,789
Price
$33.61
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- Security type / class
- Equity / Common Stock
- Symbol
- IIIN on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 15,835,789
- Total 13F value
- $532,303,464
- Portfolio coverage rank
- 0%
- Share change
- -23,908
- Value change
- -$195,171
- Number of holders
- 201
- Shares outstanding
- 19,355,083
- SEC-reported price per share
- $33.61
- Insider filing price
- $33.61
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IIIN - INSTEEL INDUSTRIES INC - Common Stock is tracked under CUSIP 45774W108.
- 201 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 187 to 201 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $502,772,569 to $532,303,464.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 201 institutions filings for Q1 2026.
Security key
45774W108
Latest holder period
Q1 2026
13F holders
201
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
IIIN full holder history
INSTEEL INDUSTRIES INC SEC filings
INSTEEL INDUSTRIES INC company facts
INSTEEL INDUSTRIES INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 45774W108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
IIIN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | -12% | $93,675,507 | -$12,941,362 | 2,787,132 | -12% | BlackRock, Inc. | 31 Mar 2026 |
| Global X Management CO LLC | 5.1% | $32,551,596 | 986,412 | Global X Management CO LLC | 31 Mar 2025 |
As of 31 Mar 2026, 201 institutional investors reported holding 15,835,789 shares of INSTEEL INDUSTRIES INC - Common Stock (IIIN). This represents 82% of the company’s total 19,355,083 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
61%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 2,848,773 | -17% | 0% | $95,747,263 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 5.7% | 1,105,053 | +8.9% | 0.05% | $37,139,573 |
| DIMENSIONAL FUND ADVISORS LP | 5.6% | 1,087,782 | +2.3% | 0.01% | $36,559,194 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 815,821 | 0% | 0% | $27,419,744 |
| STATE STREET CORP | 3.7% | 725,492 | -0.23% | 0% | $24,383,786 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 496,243 | +2.4% | 0% | $16,681,613 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2% | 432,979 | 0% | 0% | $14,552,424 |
| First Eagle Investment Management, LLC | 2% | 380,954 | -2.3% | 0.02% | $12,803,864 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.8% | 350,022 | -4.6% | 0% | $11,764,239 |
| Bruce & Co., Inc. | 1.8% | 343,423 | 0% | 3.3% | $11,642,447 |
| ROBOTTI ROBERT | 1.5% | 297,810 | -0.43% | 1.6% | $10,009,394 |
| Bank of New York Mellon Corp | 1.4% | 264,069 | -0.01% | 0% | $8,875,369 |
| OPPENHEIMER & CO INC | 1.3% | 255,901 | +1.1% | 0.1% | $8,600,833 |
| CITADEL ADVISORS LLC | 1.3% | 246,767 | +3.5% | 0.01% | $8,293,839 |
| Cerity Partners LLC | 1.2% | 225,324 | -1.1% | 0.01% | $7,573,140 |
| AMERICAN CENTURY COMPANIES INC | 1.2% | 222,608 | -26% | 0% | $7,481,855 |
| ROYCE & ASSOCIATES LP | 1.1% | 221,388 | +7.3% | 0.07% | $7,440,851 |
| NORTHERN TRUST CORP | 1% | 201,568 | +3.4% | 0% | $6,774,702 |
| ALGERT GLOBAL LLC | 1% | 196,351 | +55% | 0.1% | $6,599,000 |
| Invesco Ltd. | 1% | 193,753 | -4% | 0% | $6,512,039 |
| MORGAN STANLEY | 0.96% | 186,539 | -7.4% | 0% | $6,269,631 |
| TWO SIGMA INVESTMENTS, LP | 0.94% | 182,678 | +108% | 0.01% | $6,139,808 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.85% | 164,053 | +1.6% | 0.02% | $5,513,821 |
| SEGALL BRYANT & HAMILL, LLC | 0.81% | 156,139 | +112% | 0.08% | $5,247,832 |
| Qube Research & Technologies Ltd | 0.8% | 155,059 | +16% | 0.01% | $5,211,533 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 15,835,789 | $532,303,464 | -$195,171 | $33.61 | 201 |
| 2025 Q4 | 15,875,296 | $502,772,569 | -$1,044,039 | $31.67 | 187 |
| 2025 Q3 | 15,823,131 | $606,535,396 | -$5,957,526 | $38.34 | 194 |
| 2025 Q2 | 16,003,300 | $595,485,305 | -$9,753,607 | $37.21 | 181 |
| 2025 Q1 | 16,425,986 | $432,172,628 | +$7,073,623 | $26.30 | 162 |
| 2024 Q4 | 16,167,037 | $437,653,032 | +$1,328,476 | $27.01 | 145 |
| 2024 Q3 | 16,013,682 | $497,861,815 | -$5,480,160 | $31.09 | 151 |
| 2024 Q2 | 16,172,563 | $500,700,293 | -$13,706,381 | $30.96 | 144 |
| 2024 Q1 | 15,927,390 | $608,705,806 | +$12,886,341 | $38.22 | 138 |
| 2023 Q4 | 16,134,172 | $617,799,464 | +$20,563,081 | $38.29 | 149 |
| 2023 Q3 | 15,668,858 | $508,630,062 | +$2,317,301 | $32.46 | 154 |
| 2023 Q2 | 15,661,871 | $487,337,161 | +$10,285,824 | $31.12 | 143 |
| 2023 Q1 | 15,381,427 | $427,891,713 | +$1,187,362 | $27.82 | 140 |
| 2022 Q4 | 15,478,236 | $426,007,145 | +$10,188,523 | $27.52 | 149 |
| 2022 Q3 | 15,098,236 | $400,551,204 | -$22,377,693 | $26.53 | 143 |
| 2022 Q2 | 15,095,617 | $508,427,053 | +$8,514,908 | $33.67 | 169 |
| 2022 Q1 | 14,929,470 | $552,572,420 | -$1,801,393 | $36.99 | 166 |
| 2021 Q4 | 14,961,031 | $595,418,156 | -$8,024,139 | $39.81 | 167 |
| 2021 Q3 | 15,124,475 | $575,277,305 | -$3,669,399 | $38.05 | 154 |
| 2021 Q2 | 15,300,525 | $492,161,077 | -$4,140,300 | $32.15 | 132 |
| 2021 Q1 | 15,356,260 | $473,683,438 | +$13,832,954 | $30.84 | 129 |
| 2020 Q4 | 15,011,329 | $334,409,471 | -$2,070,887 | $22.27 | 118 |
| 2020 Q3 | 15,260,733 | $285,497,612 | -$4,735,605 | $18.70 | 122 |
| 2020 Q2 | 15,454,738 | $295,699,413 | +$5,133,829 | $19.07 | 115 |
| 2020 Q1 | 15,156,514 | $200,822,465 | -$6,733,265 | $13.25 | 114 |