UNIFIRST CORP/MA (UNF) Top Institutional Shareholders
UNIFIRST CORP/MA (UNF) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $3.58B in UNF holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of UNF tracked by InsiderSet, reporting ownership valued at approximately $537.64M in its March 31, 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 $555.05M, representing an estimated gain of +3.24% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 53% of the total disclosed UNF value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, London Co Of Virginia, and several other long-term asset managers with concentrated positions in UNIFIRST CORP/MA (UNF).
This page ranks the largest institutional UNF 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
331
Total Reported Value
$3.58B
Largest Holder
Blackrock, Inc.
Largest Position
$537.64M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
84
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 2,136,962 | $537,638,216 | $555,054,510 | +$17,416,294 | +3.24% | |
| Vanguard Portfolio Management Llc | 0.01% | 820,469 | $206,421,796 | $213,108,618 | +$6,686,822 | +3.24% | |
| London Co Of Virginia | 1.20% | 775,264 | $195,052,337 | $201,367,071 | +$6,314,734 | +3.24% | |
| Dimensional Fund Advisors Lp | 0.04% | 744,492 | $187,305,190 | $193,374,352 | +$6,069,162 | +3.24% | |
| Vanguard Capital Management Llc | 0.00% | 650,964 | $163,776,033 | $169,081,389 | +$5,305,356 | +3.24% | |
| State Street Corp | 0.00% | 567,877 | $142,872,174 | $147,500,372 | +$4,628,198 | +3.24% | |
| Millennium Management Llc | 0.10% | 529,609 | $133,244,328 | $137,560,642 | +$4,316,314 | +3.24% | |
| River Road Asset Management, Llc | 1.43% | 499,861 | $125,760,029 | $129,833,896 | +$4,073,867 | +3.24% | |
| Kayne Anderson Rudnick Investment Management Llc | 0.28% | 380,048 | $95,616,338 | $98,713,668 | +$3,097,330 | +3.24% | |
| First Trust Advisors Lp | 0.07% | 378,833 | $95,310,594 | $98,398,083 | +$3,087,489 | +3.24% | |
| Geode Capital Management, Llc | 0.01% | 356,900 | $89,809,889 | $92,701,206 | +$2,891,317 | +3.22% | |
| Balyasny Asset Management L.P. | 0.17% | 335,373 | $84,376,493 | $87,109,783 | +$2,733,290 | +3.24% | |
| Brandes Investment Partners, Lp | 0.49% | 274,466 | $69,052,901 | $71,289,799 | +$2,236,898 | +3.24% | |
| Westchester Capital Management, Llc | 3.15% | 258,466 | $65,027,462 | $67,133,959 | +$2,106,497 | +3.24% | |
| Charles Schwab Investment Management Inc | 0.01% | 226,403 | $56,960,731 | $58,805,915 | +$1,845,184 | +3.24% | |
| Alpine Associates Management Inc. | 3.22% | 217,050 | $54,607,609 | $56,376,567 | +$1,768,958 | +3.24% | |
| Northern Trust Corp | 0.01% | 187,617 | $47,202,560 | $48,731,640 | +$1,529,080 | +3.24% | |
| Morgan Stanley | 0.00% | 173,614 | $43,679,932 | $45,094,500 | +$1,414,568 | +3.24% | |
| Magnetar Financial Llc | 0.44% | 171,873 | $43,241,528 | $44,642,293 | +$1,400,765 | +3.24% | |
| Citigroup Inc | 0.03% | 161,134 | $40,539,703 | $41,852,945 | +$1,313,242 | +3.24% | |
| Bank Of America Corp | 0.00% | 151,925 | $38,222,810 | $39,461,000 | +$1,238,190 | +3.24% | |
| Jones Financial Companies Lllp | 0.02% | 143,156 | $35,591,528 | $37,183,339 | +$1,591,811 | +4.47% | |
| Qube Research & Technologies Ltd | 0.05% | 141,385 | $35,571,052 | $36,723,340 | +$1,152,288 | +3.24% | |
| Envestnet Asset Management Inc | 0.01% | 125,071 | $31,466,710 | $32,485,942 | +$1,019,232 | +3.24% | |
| Tig Advisors, Llc | 1.42% | 117,852 | $29,650,385 | $30,610,878 | +$960,493 | +3.24% | |
| Aqr Arbitrage Llc | 0.48% | 115,822 | $29,139,657 | $30,083,606 | +$943,949 | +3.24% | |
| Bank Of New York Mellon Corp | 0.01% | 112,872 | $28,397,521 | $29,317,373 | +$919,852 | +3.24% | |
| Ubs Group Ag | 0.00% | 103,961 | $26,155,548 | $27,002,830 | +$847,282 | +3.24% | |
| Tweedy, Browne Co All Funds (US) | B. Tweedy, Ch. Browne | 2.03% | 101,671 | $25,579,407 | $26,408,026 | +$828,619 | +3.24% |
| Goldman Sachs Group Inc | 0.00% | 99,955 | $25,147,693 | $25,962,312 | +$814,619 | +3.24% | |
| Sirios Capital Management L P | 3.01% | 98,544 | $24,792,685 | $25,595,819 | +$803,134 | +3.24% | |
| Vanguard Fiduciary Trust Co | 0.01% | 93,831 | $23,606,941 | $24,371,664 | +$764,723 | +3.24% | |
| Principal Financial Group Inc | 0.01% | 92,841 | $23,357,867 | $24,114,521 | +$756,654 | +3.24% | |
| Copeland Capital Management, Llc | 0.48% | 85,106 | $21,411,974 | $22,105,432 | +$693,458 | +3.24% | |
| Verition Fund Management Llc | 0.21% | 85,044 | $21,396,220 | $22,089,329 | +$693,109 | +3.24% | |
| Public Sector Pension Investment Board | 0.07% | 84,919 | $21,364,771 | $22,056,861 | +$692,090 | +3.24% | |
| Empyrean Capital Partners, Lp | 0.68% | 81,000 | $20,378,790 | $21,038,940 | +$660,150 | +3.24% | |
| Engine Capital Management, Lp | 2.25% | 74,040 | $18,627,724 | $19,231,150 | +$603,426 | +3.24% | |
| Melqart Asset Management (Uk) Ltd | 1.83% | 73,814 | $18,570,864 | $19,172,448 | +$601,584 | +3.24% | |
| Susquehanna International Group, Llp | 0.02% | 72,885 | $18,337,137 | $18,931,150 | +$594,013 | +3.24% | |
| Wells Fargo & Company/Mn | 0.00% | 70,807 | $17,814,477 | $18,391,410 | +$576,933 | +3.24% | |
| Man Group Plc | 0.04% | 68,022 | $17,113,655 | $17,668,034 | +$554,379 | +3.24% | |
| Timessquare Capital Management, Llc | 0.29% | 67,932 | $17,091,012 | $17,644,658 | +$553,646 | +3.24% | |
| Squarepoint Ops Llc | 0.03% | 60,975 | $15,340,700 | $15,837,647 | +$496,947 | +3.24% | |
| Caxton Associates Llp | 0.35% | 60,259 | $15,160,562 | $15,651,673 | +$491,111 | +3.24% | |
| Absolute Gestao De Investimentos Ltda. | 1.67% | 57,950 | $14,579,641 | $15,051,933 | +$472,292 | +3.24% | |
| Levin Capital Strategies, L.P. | 1.07% | 55,921 | $14,069,125 | $14,524,921 | +$455,796 | +3.24% | |
| Invesco Ltd. | 0.00% | 55,401 | $13,938,338 | $14,389,856 | +$451,518 | +3.24% | |
| Franklin Resources Inc | 0.00% | 51,727 | $13,013,996 | $13,435,571 | +$421,575 | +3.24% | |
| Birnam Oak Advisors, Lp | 3.54% | 51,128 | $12,863,293 | $13,279,987 | +$416,694 | +3.24% |
Frequently asked questions about UNF
Who owns the most UNF stock?
The largest holders of UNF are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for UNIFIRST CORP/MA (UNF).
Is UNF widely held by superinvestors?
Many widely followed stocks like UNF appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly UNF is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.