NNBR · Nn Inc · Holdings
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Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding NNBR
All superinvestors →Holder Concentration
Across 87 13F filersWho Holds NNBR
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 87 filers, like-for-like change -2.9%; actively managed books +28.1%; index-like books -0.5%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 55.9% | 41 | -18.1% |
| Exempt adviser | 0.1% | 1 | -64.8% |
| Adviser | 12.6% | 3 | +14.2% |
| Bank | 2.5% | 8 | +95.7% |
| Insurer | 0.4% | 1 | new |
| Broker-dealer | 0.0% | 1 | new |
| Non-US | 8.1% | 4 | +429.3% |
| Holding company | 13.4% | 5 | -7.8% |
| Benefit plan | 0.0% | 0 | — |
| Unknown | 6.8% | 23 | +15.4% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 18.4% | 8 | -0.5% |
| Systematic-like | 10.6% | 14 | +157.6% |
| Concentrated | 16.0% | 10 | +25.5% |
| Diversified active | 35.1% | 53 | +12.2% |
| Unknown | 19.8% | 2 | -45.3% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 53.0% | 34 | -23.9% |
| Medium turnover | 24.6% | 21 | +30.7% |
| High turnover | 14.3% | 26 | +107.7% |
| Unknown | 8.1% | 6 | +6.7% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 13.8% | 15 | -53.1% |
| Medium horizon | 8.1% | 10 | +77.8% |
| Long horizon | 67.5% | 49 | +12.2% |
| Unknown | 10.5% | 13 | +20.3% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 31.1% | 17 | -29.1% |
| $1B to $10B | 9.6% | 24 | -33.8% |
| $10B to $100B | 24.9% | 18 | +12.5% |
| $100B or more | 34.4% | 28 | +52.8% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 7.9% | 10 | +33.0% |
| Pooled investment vehicles | 32.5% | 18 | -34.2% |
| Registered funds and BDCs | 11.2% | 8 | +2.4% |
| Governments and sovereign funds | 0.3% | 1 | new |
| Corporations | 1.9% | 1 | new |
| Diversified | 2.1% | 3 | +6.0% |
| Pension and profit sharing plans | 0.0% | 0 | — |
| Insurance companies | 0.0% | 0 | — |
| Unknown | 44.1% | 46 | +27.0% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 29.7% | 19 | -0.9% |
| Private equity funds | 5.3% | 3 | -75.5% |
| Real estate funds | 0.0% | 0 | -100.0% |
| Other private funds | 4.1% | 7 | +115.2% |
| Private funds, type not stated | 0.1% | 1 | new |
| No private funds | 17.0% | 12 | +11.8% |
| Securitized asset funds | 0.0% | 0 | — |
| Unknown | 43.9% | 45 | +28.1% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 90.2% | 73 | -3.1% |
| Outside the US | 9.8% | 14 | -0.9% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Conviction and Crowding
87 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 52.6% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies NNBR's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | TTEC TTEC Holdings, Inc. | 3 |
| 2 | MCB Metropolitan Bank Holding Corp. | 3 |
| 3 | BFST Business First Bancshares, Inc. | 3 |
| 4 | PLOW Douglas Dynamics, Inc | 3 |
| 5 | CCB Coastal Financial Corp | 3 |
| 6 | PNTG Pennant Group, Inc. | 3 |
| 7 | P Everpure, Inc. | 3 |
| 8 | MOD Modine Manufacturing Co | 3 |
| 9 | MRVL Marvell Technology, Inc. | 5 |
| 10 | TFC Truist Financial Corp | 3 |
Shareholder Targets
13F filers that own its peers but not NNBR, quarter ended Jun 30, 2026Found through its holder-overlap peers: TTEC, MCB, BFST, PLOW, CCB, PNTG, P, MOD, MRVL, TFC, JNJ, AVGO, PFE, IBM, MS, MU, COST, PANW, WMT, V. 6,665 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser, Diversified active | $159,998,105,445 19 held | AVGO, MU, JNJ |
| 2 | FMR LLC Holding company, Diversified active | $151,471,992,630 20 held | AVGO, MU, MRVL |
| 3 | Capital World Investors Adviser, Diversified active | $103,559,001,384 10 held | AVGO, MU, V |
| 4 | NORGES BANK Non-US, Index-like | $84,734,528,397 16 held | AVGO, MU, JNJ |
| 5 | MITSUBISHI UFJ FINANCIAL GROUP INC Bank, Unknown | $78,825,883,309 1 held | MS |
| 6 | Capital International Investors Adviser, Diversified active | $61,106,548,849 9 held | AVGO, MU, V |
| 7 | Capital Research Global Investors Adviser, Diversified active | $57,145,059,334 11 held | AVGO, MU, MS |
| 8 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser, Index-like | $53,226,398,977 19 held | AVGO, MU, V |
| 9 | Bank of New York Mellon Corp Bank, Index-like | $44,838,815,300 20 held | AVGO, MU, JNJ |
| 10 | Legal & General Group Plc Unknown, Index-like | $43,418,623,465 19 held | AVGO, MU, JNJ |
Fund Ownership of NNBR by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 2.95% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.54% | 504,515 |
| Index ETFs | 2.41% | 2,258,809 |
| Active ETFs | 0.14% | 127,292 |
| Active funds | 0.18% | 165,271 |
| Unclassified | 0.18% | 164,830 |
| All registered funds | 3.44% | 3,220,717 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Small AIGH Capital Management LLC | $27,640,722 | 19.71% | 7,531,532 | Shares | 2026-11-02 | |
| Micro Legion Partners Asset Management, LLC Registered adviser | $17,135,597 | 12.22% | 4,773,147 | Shares | 2026-08-14 | |
| Large FIRST MANHATTAN CO. LLC. Adviser | $11,860,642 | 8.46% | 3,303,800 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $7,313,903 | 5.22% | 2,037,299 | Shares | 2026-08-13 | |
| Mega SG Americas Securities, LLC Non-US | $6,966,412 | 4.97% | 1,940,505 | Shares | 2026-08-07 | |
| Large NOMURA HOLDINGS INC Holding company | $6,450,005 | 4.60% | 1,796,659 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $5,970,324 | 4.26% | 1,663,043 | Shares | 2026-08-14 | |
| Small Register Financial Advisors LLC Registered adviser | $5,278,608 | 3.76% | 1,438,313 | Shares | 2026-10-23 | |
| Small Corre Partners Management, LLC Registered adviser | $4,446,706 | 3.17% | 1,238,637 | Shares | 2026-08-13 | |
| Mega MORGAN STANLEY Holding company | $4,021,523 | 2.87% | 1,120,202 | Shares | 2026-08-13 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $3,467,940 | 2.47% | 966,000 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. Holding company | $2,742,941 | 1.96% | 764,051 | Shares | 2026-08-07 | |
| Small ESSEX INVESTMENT MANAGEMENT CO LLC Registered adviser | $2,362,287 | 1.68% | 643,675 | Shares | 2026-10-19 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $2,323,328 | 1.66% | 647,167 | Shares | 2026-08-12 | |
| Mid Ranger Investment Management, L.P. Registered adviser | $2,039,963 | 1.45% | 568,235 | Shares | 2026-08-13 | |
| Large Walleye Capital LLC Registered adviser | $1,962,480 | 1.40% | 546,652 | Shares | 2026-08-03 | |
| Small De Lisle Partners LLP Non-US | $1,897,250 | 1.35% | 528,482 | Shares | 2026-08-12 | |
| Mid OAKTREE CAPITAL MANAGEMENT LP Adviser | $1,834,285 | 1.31% | 510,943 | Shares | 2026-08-14 | |
| Micro Oaktree Fund Advisors, LLC | $1,809,216 | 1.29% | 503,960 | Shares | 2026-08-14 | |
| Small Huntleigh Advisors, Inc. Registered adviser | $1,666,884 | 1.19% | 454,192 | Shares | 2026-11-03 | |
| Small Pacific Ridge Capital Partners, LLC Registered adviser | $1,473,163 | 1.05% | 410,352 | Shares | 2026-08-12 | |
| Mid RBF Capital, LLC | $1,390,568 | 0.99% | 387,345 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $1,336,679 | 0.95% | 372,334 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $1,083,946 | 0.77% | 301,935 | Shares | 2026-08-13 | |
| Mid Johnson Financial Group, LLC Registered adviser | $992,712 | 0.71% | 270,494 | Shares | 2026-11-03 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $935,039 | 0.67% | 260,457 | Shares | 2026-08-11 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $813,160 | 0.58% | 226,507 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $805,394 | 0.57% | 224,344 | Shares | 2026-09-22 | |
| Mid PARADIGM CAPITAL MANAGEMENT INC/NY Registered adviser | $718,000 | 0.51% | 200,000 | Shares | 2026-08-13 | |
| Mid GSA CAPITAL PARTNERS LLP Registered adviser | $623,012 | 0.44% | 173,541 | Shares | 2026-08-06 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC Registered adviser | $610,163 | 0.44% | 169,962 | Shares | 2026-08-14 | |
| Large Quadrature Capital Ltd | $541,874 | 0.39% | 150,940 | Shares | 2026-08-07 | |
| Large Squarepoint Ops LLC Registered adviser | $526,642 | 0.38% | 146,697 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $516,259 | 0.37% | 143,805 | Shares | 2026-08-14 | |
| Mega UBS Group AG Bank | $508,128 | 0.36% | 141,540 | Shares | 2026-08-13 | |
| Mega PRINCIPAL FINANCIAL GROUP INC Insurer | $475,749 | 0.34% | 129,632 | Shares | 2026-11-02 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $443,522 | 0.32% | 123,544 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $396,091 | 0.28% | 110,332 | Shares | 2026-08-13 | |
| Large Empowered Funds, LLC Registered adviser | $375,007 | 0.27% | 104,459 | Shares | 2026-08-17 | |
| Mid J.W. COLE ADVISORS, INC. | $372,642 | 0.27% | 103,800 | Shares | 2026-07-21 | |
| Large Clearstead Advisors, LLC Registered adviser | $359,000 | 0.26% | 100,000 | Shares | 2026-08-06 | |
| Mid ALGERT GLOBAL LLC Registered adviser | $351,360 | 0.25% | 97,872 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $350,107 | 0.25% | 97,523 | Shares | 2026-09-02 | |
| Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | $311,016 | 0.22% | 86,634 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $295,349 | 0.21% | 82,270 | Shares | 2026-08-14 | |
| Mid BAILARD, INC. Registered adviser | $294,814 | 0.21% | 80,331 | Shares | 2026-10-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $255,967 | 0.18% | 71,300 | Call | 2026-08-14 | |
| Small LAUREL OAK WEALTH MANAGEMENT, LLC Registered adviser | $223,870 | 0.16% | 61,000 | Shares | 2026-10-19 | |
| Large GABELLI FUNDS LLC Registered adviser | $218,990 | 0.16% | 61,000 | Shares | 2026-08-12 | |
| Large CIBC Bancorp USA Inc. | $215,400 | 0.15% | 60,000 | Shares | 2026-08-13 | |
| Mid CenterBook Partners LP Registered adviser | $215,252 | 0.15% | 58,652 | Shares | 2026-11-02 | |
| Large Point72 Asset Management, L.P. Registered adviser | $206,640 | 0.15% | 57,560 | Shares | 2026-08-14 | |
| Large Centiva Capital, LP Registered adviser | $198,548 | 0.14% | 55,306 | Shares | 2026-08-13 | |
| Mega BANK OF MONTREAL /CAN/ Bank | $179,500 | 0.13% | 50,000 | Shares | 2026-08-12 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $161,223 | 0.11% | 44,909 | Shares | 2026-08-14 | |
| Small Kings Path Partners LLC | $157,094 | 0.11% | 42,805 | Shares | 2026-10-21 | |
| Large Connor, Clark & Lunn Investment Management Ltd. Registered adviser | $144,544 | 0.10% | 40,263 | Shares | 2026-08-13 | |
| Mid XTX Topco Ltd | $125,955 | 0.09% | 35,085 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $115,598 | 0.08% | 32,200 | Call | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $101,959 | 0.07% | 28,401 | Shares | 2026-08-14 | |
| Mid Caitong International Asset Management Co., Ltd | $98,594 | 0.07% | 26,865 | Shares | 2026-10-29 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $96,571 | 0.07% | 26,900 | Call | 2026-09-02 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $95,494 | 0.07% | 26,600 | Put | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC Registered adviser | $91,947 | 0.07% | 25,612 | Shares | 2026-08-14 | |
| Mid Quinn Opportunity Partners LLC Registered adviser | $89,750 | 0.06% | 25,000 | Shares | 2026-08-14 | |
| Mid TWO SIGMA SECURITIES, LLC | $85,316 | 0.06% | 23,765 | Shares | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $85,043 | 0.06% | 23,689 | Shares | 2026-08-12 | |
| Mid Y-Intercept (Hong Kong) Ltd Exempt adviser | $81,719 | 0.06% | 22,267 | Shares | 2026-10-16 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $80,875 | 0.06% | 22,528 | Shares | 2026-08-14 | |
| Mid Graham Capital Management, L.P. Registered adviser | $68,030 | 0.05% | 18,950 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. Adviser | $62,789 | 0.04% | 17,490 | Shares | 2026-08-14 | |
| Small AXQ CAPITAL, LP Registered adviser | $61,661 | 0.04% | 17,176 | Shares | 2026-08-06 | |
| Small Sage Capital Management, LLC Registered adviser | $58,720 | 0.04% | 16,000 | Shares | 2026-10-20 | |
| Large HRT FINANCIAL LP | $58,405 | 0.04% | 16,269 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $56,363 | 0.04% | 15,700 | Put | 2026-09-02 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $55,727 | 0.04% | 15,523 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $54,654 | 0.04% | 15,224 | Shares | 2026-08-14 | |
| Mid Ameritas Advisory Services, LLC Registered adviser | $53,850 | 0.04% | 15,000 | Shares | 2026-08-14 | |
| Small Nierenberg Investment Management Company, LLC Registered adviser | $48,662 | 0.03% | 13,555 | Shares | 2026-08-11 | |
| Mid AssuredPartners Investment Advisors, LLC | $43,794 | 0.03% | 12,199 | Shares | 2026-08-10 | |
| Small Addison Advisors LLC | $38,850 | 0.03% | 10,822 | Shares | 2026-08-10 | |
| Mid State of Wyoming | $35,507 | 0.03% | 9,675 | Shares | 2026-10-28 | |
| Small Covestor Ltd | $25,282 | 0.02% | 6,889 | Shares | 2026-10-30 | |
| Mid GROUP ONE TRADING LLC Broker-dealer | $20,502 | 0.01% | 5,711 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $18,965 | 0.01% | 5,283 | Shares | 2026-08-12 | |
| Mid Tower Research Capital LLC (TRC) | $12,705 | 0.01% | 3,539 | Shares | 2026-08-11 | |
| Small MCGUIRE CAPITAL ADVISORS INC Registered adviser | $5,385 | 0.00% | 1,500 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC Bank | $3,363 | 0.00% | 937 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank | $2,232 | 0.00% | 622 | Shares | 2026-08-14 | |
| Large OSAIC HOLDINGS, INC. Holding company | $1,077 | 0.00% | 300 | Shares | 2026-08-14 | |
| Mid Bogart Wealth, LLC Registered adviser | $757 | 0.00% | 211 | Shares | 2026-07-24 | |
| Mid SBI Securities Co., Ltd. Non-US | $583 | 0.00% | 159 | Shares | 2026-10-22 | |
| Large Rockefeller Capital Management L.P. Registered adviser | $359 | 0.00% | 100 | Shares | 2026-08-13 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $269 | 0.00% | 75 | Shares | 2026-08-13 | |
| Mid Quantbot Technologies LP Registered adviser | $3 | 0.00% | 1 | Shares | 2026-08-12 |