Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in NNBR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Legion Partners Asset Management, LLC | 4.8M | $17.1M | -0.4% | 9.072% | 42.25% |
| 2 | FIRST MANHATTAN CO. LLC. | 3.3M | $11.9M | -1.0% | 6.279% | 0.03% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $7.3M | +5.5% | 3.872% | 0.00% |
| 4 | NOMURA HOLDINGS INC | 1.8M | $6.5M | -7.6% | 3.415% | 0.01% |
| 5 | TWO SIGMA INVESTMENTS, LP | 1.7M | $6.0M | +16204.3% | 3.161% | 0.00% |
| 6 | Register Financial Advisors LLC | 1.4M | $5.0M | +6.3% | 2.648% | 1.53% |
| 7 | Corre Partners Management, LLC | 1.2M | $4.4M | -80.0% | 2.354% | 1.17% |
| 8 | MORGAN STANLEY | 1.1M | $4.0M | -27.1% | 2.129% | 0.00% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 966K | $3.5M | +75.9% | 1.836% | 0.00% |
| 10 | BlackRock, Inc. | 764K | $2.7M | +3.0% | 1.452% | 0.00% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 647K | $2.3M | -3.6% | 1.230% | 0.00% |
| 12 | Ranger Investment Management, L.P. | 568K | $2.0M | β | 1.080% | 0.13% |
| 13 | Walleye Capital LLC | 547K | $2.0M | β | 1.039% | 0.01% |
| 14 | De Lisle Partners LLP | 528K | $1.9M | +13.3% | 1.004% | 0.21% |
| 15 | OAKTREE CAPITAL MANAGEMENT LP | 511K | $1.8M | β | 0.971% | 0.03% |
| 16 | Oaktree Fund Advisors, LLC | 504K | $1.8M | β | 0.958% | 3.13% |
| 17 | Huntleigh Advisors, Inc. | 440K | $1.6M | β | 0.836% | 0.22% |
| 18 | Pacific Ridge Capital Partners, LLC | 410K | $1.5M | -0.8% | 0.780% | 0.27% |
| 19 | RBF Capital, LLC | 387K | $1.4M | -53.6% | 0.736% | 0.06% |
| 20 | GOLDMAN SACHS GROUP INC | 372K | $1.3M | +114.4% | 0.708% | 0.00% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 302K | $1.1M | +18.4% | 0.574% | 0.00% |
| 22 | Johnson Financial Group, LLC | 270K | $971K | 0.0% | 0.514% | 0.05% |
| 23 | DIMENSIONAL FUND ADVISORS LP | 260K | $934K | -7.6% | 0.495% | 0.00% |
| 24 | BANK OF AMERICA CORP /DE/ | 227K | $813K | +738.1% | 0.430% | 0.00% |
| 25 | STATE STREET CORP | 224K | $805K | +6.6% | 0.426% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in NNBR β a direct measure of their conviction.
Filings activity in NNBR during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 87 | +32% | 57.95% | 1.17 pp | $101M | +127% |
| Q1 2026 | 66 | +1.5% | 59.12% | 3.65 pp | $45M | +12% |
| Q4 2025 | 65 | 1.5% | 62.77% | 4.49 pp | $40M | 42% |
| Q3 2025 | 66 | 7.0% | 67.26% | +0.00 pp | $69M | 2.0% |
| Q2 2025 | 71 | 7.8% | 67.26% | 4.11 pp | $70M | 13% |
| Q1 2025 | 77 | +4.1% | 71.37% | 0.56 pp | $81M | 31% |
| Q4 2024 | 74 | 2.6% | 71.93% | +2.88 pp | $117M | 13% |
| Q3 2024 | 76 | β | 69.05% | β | $133M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying NNBR stock.
Based on Q2 2026 13F filings, institutional ownership of NN, Inc. stands at 58.0%, held across 87 reporting institutions.
Legion Partners Asset Management, LLC is the largest reported institutional holder of NNBR, with approximately 4,773,147 shares worth $0.02B as of Q2 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of NNBR, including TWO SIGMA INVESTMENTS, LP, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for NNBR is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
29 institutions opened new positions in NNBR during Q2 2026, while 8 fully exited. 55 added to existing positions and 2 trimmed.
NNBR institutional ownership fell by 1.17 percentage points quarter-over-quarter, with a net change of +21 holders.
The top 10 institutions account for 67.7% of all reported 13F value in NNBR, and the top 25 account for 89.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
NN, Inc. (NNBR) Institutional Ownership