NNBR Institutional Ownership & Shareholders
NN INC (NNBR) is currently held by 99 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $141.82M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Aigh Capital Management Llc is currently the largest disclosed institutional shareholder of NNBR tracked by InsiderSet, reporting ownership valued at approximately $27.64M in its September 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $28.02M, representing an estimated gain of +1.36% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 68% of the total disclosed NNBR value among the investors covered in this analysis. Major shareholders include Aigh Capital Management Llc, Legion Partners Asset Management, Llc, First Manhattan Co. Llc., and several other long-term asset managers with concentrated positions in NN INC (NNBR).
This page ranks the largest institutional NNBR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
99
Total Reported Value
$141.82M
Largest Holder
Aigh Capital Management Llc
Largest Position
$27.64M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
116
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Aigh Capital Management Llc | 3.14% | 7,531,532 | $27,640,722 | $28,017,299 | +$376,577 | +1.36% | |
| Legion Partners Asset Management, Llc | 42.25% | 4,773,147 | $17,135,598 | $17,756,107 | +$620,509 | +3.62% | |
| First Manhattan Co. Llc. | 0.03% | 3,303,800 | $11,860,642 | $12,290,136 | +$429,494 | +3.62% | |
| Vanguard Capital Management Llc | 0.00% | 2,037,299 | $7,313,903 | $7,578,752 | +$264,849 | +3.62% | |
| Sg Americas Securities, Llc | 0.00% | 1,940,505 | $6,966,000 | $7,218,679 | +$252,679 | +3.63% | |
| Nomura Holdings Inc | 0.03% | 1,796,659 | $6,450,006 | $6,683,571 | +$233,565 | +3.62% | |
| Two Sigma Investments, Lp | 0.00% | 1,663,043 | $5,970,324 | $6,186,520 | +$216,196 | +3.62% | |
| Register Financial Advisors Llc | 1.65% | 1,438,313 | $5,278,609 | $5,350,524 | +$71,915 | +1.36% | |
| Corre Partners Management, Llc | 1.17% | 1,238,637 | $4,446,707 | $4,607,730 | +$161,023 | +3.62% | |
| Morgan Stanley | 0.00% | 1,120,202 | $4,021,526 | $4,167,151 | +$145,625 | +3.62% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 966,000 | $3,467,940 | $3,593,520 | +$125,580 | +3.62% |
| Blackrock, Inc. | 0.00% | 764,051 | $2,742,943 | $2,842,270 | +$99,327 | +3.62% | |
| Essex Investment Management Co Llc | 0.35% | 643,675 | $2,362,287 | $2,394,471 | +$32,184 | +1.36% | |
| Geode Capital Management, Llc | 0.00% | 647,167 | $2,323,963 | $2,407,461 | +$83,498 | +3.59% | |
| Ranger Investment Management, L.P. | 0.13% | 568,235 | $2,039,964 | $2,113,834 | +$73,870 | +3.62% | |
| Walleye Capital Llc | 0.01% | 546,652 | $1,962,481 | $2,033,545 | +$71,064 | +3.62% | |
| De Lisle Partners Llp | 0.21% | 528,482 | $1,894,608 | $1,965,953 | +$71,345 | +3.77% | |
| Oaktree Capital Management | Howard Marks | 0.03% | 510,943 | $1,834,285 | $1,900,708 | +$66,423 | +3.62% |
| Oaktree Fund Advisors, Llc | 3.13% | 503,960 | $1,809,216 | $1,874,731 | +$65,515 | +3.62% | |
| Huntleigh Advisors, Inc. | 0.23% | 454,192 | $1,666,890 | $1,689,594 | +$22,704 | +1.36% | |
| Pacific Ridge Capital Partners, Llc | 0.27% | 410,352 | $1,473,164 | $1,526,509 | +$53,345 | +3.62% | |
| Rbf Capital, Llc | 0.06% | 387,345 | $1,390,569 | $1,440,923 | +$50,354 | +3.62% | |
| Goldman Sachs Group Inc | 0.00% | 372,334 | $1,336,679 | $1,385,082 | +$48,403 | +3.62% | |
| Vanguard Fiduciary Trust Co | 0.00% | 301,935 | $1,083,947 | $1,123,198 | +$39,251 | +3.62% | |
| Johnson Financial Group, Llc | 0.05% | 270,494 | $992,713 | $1,006,238 | +$13,525 | +1.36% | |
| Dimensional Fund Advisors Lp | 0.00% | 260,457 | $934,172 | $968,900 | +$34,728 | +3.72% | |
| Bank Of America Corp | 0.00% | 226,507 | $813,160 | $842,606 | +$29,446 | +3.62% | |
| State Street Corp | 0.00% | 224,344 | $805,395 | $834,560 | +$29,165 | +3.62% | |
| Paradigm Capital Management Inc/Ny | 0.02% | 200,000 | $718,000 | $744,000 | +$26,000 | +3.62% | |
| Gsa Capital Partners Llp | 0.04% | 173,541 | $623,000 | $645,573 | +$22,573 | +3.62% | |
| Bridgeway Capital Management, Llc | 0.01% | 169,962 | $610,164 | $632,259 | +$22,095 | +3.62% | |
| Quadrature Capital Ltd | 0.00% | 150,940 | $541,875 | $561,497 | +$19,622 | +3.62% | |
| Squarepoint Ops Llc | 0.00% | 146,697 | $526,642 | $545,713 | +$19,071 | +3.62% | |
| Jane Street Group, Llc | 0.00% | 143,805 | $516,260 | $534,955 | +$18,695 | +3.62% | |
| Ubs Group Ag | 0.00% | 141,540 | $508,128 | $526,529 | +$18,401 | +3.62% | |
| Principal Financial Group Inc | 0.00% | 129,632 | $475,749 | $482,231 | +$6,482 | +1.36% | |
| Acadian Asset Management Llc | 0.00% | 123,544 | $441,000 | $459,584 | +$18,584 | +4.21% | |
| Northern Trust Corp | 0.00% | 110,332 | $396,092 | $410,435 | +$14,343 | +3.62% | |
| Empowered Funds, Llc | 0.00% | 104,459 | $375,008 | $388,587 | +$13,579 | +3.62% | |
| J.W. Cole Advisors, Inc. | 0.01% | 103,800 | $372,642 | $386,136 | +$13,494 | +3.62% | |
| Clearstead Advisors, Llc | 0.00% | 100,000 | $359,000 | $372,000 | +$13,000 | +3.62% | |
| Algert Global Llc | 0.00% | 97,872 | $351,360 | $364,084 | +$12,724 | +3.62% | |
| Citadel Advisors Llc | 0.00% | 97,523 | $350,107 | $362,786 | +$12,679 | +3.62% | |
| Susquehanna Fundamental Investments, Llc | 0.01% | 86,634 | $311,016 | $322,278 | +$11,262 | +3.62% | |
| Price T Rowe Associates Inc | 0.00% | 82,270 | $296,000 | $306,044 | +$10,044 | +3.39% | |
| Bailard, Inc. | 0.01% | 80,331 | $294,815 | $298,831 | +$4,016 | +1.36% | |
| Laurel Oak Wealth Management, Llc | 0.03% | 61,000 | $223,870 | $226,920 | +$3,050 | +1.36% | |
| Gabelli Funds Llc | 0.00% | 61,000 | $218,990 | $226,920 | +$7,930 | +3.62% | |
| Cibc Bancorp Usa Inc. | 0.00% | 60,000 | $215,400 | $223,200 | +$7,800 | +3.62% | |
| Centerbook Partners Lp | 0.01% | 58,652 | $215,253 | $218,185 | +$2,932 | +1.36% |
Frequently asked questions about NNBR
Who are the largest institutional holders of NNBR?
The largest institutional holders of NNBR reported in the latest SEC Form 13F filings include Aigh Capital Management Llc, Legion Partners Asset Management, Llc, First Manhattan Co. Llc., Vanguard Capital Management Llc, and Sg Americas Securities, Llc. InsiderSet ranks institutional holders by their latest reported NNBR position.
What is NNBR institutional ownership?
This page tracks NNBR positions reported by institutional investment managers through SEC Form 13F. NN INC (NNBR) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own NNBR?
InsiderSet currently tracks 99 institutional managers reporting NNBR holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of NNBR shareholders.
How much NNBR stock do institutions own?
Institutional investment managers disclosed approximately $141.82M in NNBR holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was NNBR institutional ownership last updated?
The latest NNBR institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional NNBR holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its NNBR position after the reporting date.
Are institutions buying or selling NNBR?
Institutional buying and selling can be analyzed by comparing NNBR positions across consecutive 13F reporting periods. InsiderSet's NNBR Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View NNBR ownership changes.
How has NNBR institutional ownership changed over time?
InsiderSet tracks NNBR institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.