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Equibles

UNF

Unifirst Corp

Company with tickers: UNF

CIK
717954
CUSIP
904708104
Shares Outstanding
14,532,640
13F Activity (30d)
233 filings 228 filers

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.

Holders: 334
Total Value: $3,859,073,098
Total Shares: 15,338,739
Showing 1–100 of 345 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 334 13F filers · Δ vs Dec 31, 2025
Top Holder
13.9%
Jun 2023 → Mar 2026 · range 13.9% – 16.2%
−0.5 pts
Top 5
33.4%
Jun 2023 → Mar 2026 · range 33.4% – 45.5%
−8.8 pts
Top 10
48.8%
Jun 2023 → Mar 2026 · range 48.8% – 63.6%
−9.9 pts
HHI
385
Jun 2023 → Mar 2026 · range 385 – 603
Broadly held −128

Quarterly Activity

vs Dec 31, 2025
New
78
Increased
98
Decreased
115
Sold Out
61
Unchanged
43
Holder count: +17
Institutional value: +36.5%
Shares held: +4.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC +498,889 529,609
Mega PRICE T ROWE ASSOCIATES INC /MD/ +314,358 331,522
Large Balyasny Asset Management L.P. +271,514 335,373
Mega CITIGROUP INC +155,154 161,134
Large JONES FINANCIAL COMPANIES LLLP +142,812 143,156

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Small Engine Capital Management, LP −385,831 74,040
Mid River Road Asset Management, LLC −365,153 499,861
Mid COOPER CREEK PARTNERS MANAGEMENT LLC −234,916 57,060
Mid Copeland Capital Management, LLC −210,275 85,106
Large KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC −178,960 380,048

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 820,469 $206,421,795
Mega VANGUARD CAPITAL MANAGEMENT LLC 650,964 $163,776,032
Mid Westchester Capital Management, LLC 258,466 $65,027,459
Mid ALPINE ASSOCIATES MANAGEMENT INC. 217,050 $54,607,609
Mid Magnetar Financial LLC 171,873 $43,241,527

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,595,587 $307,788,730
Mid Madison Avenue Partners, LP 303,844 $58,611,507
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 74,435 $14,358,511
Mid Clearline Capital LP 64,477 $12,437,613
Mid Greenhouse Funds LLLP 63,894 $12,325,152
Filter: New 78 Increased 98 Reduced 115 Sold out 61 Unchanged 43
Showing 100 of 345
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $537,638,263 13.93% 2,136,962
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $206,421,795 5.35% 820,469
Large LONDON CO OF VIRGINIA $195,048,669 5.05% 775,264
Mega DIMENSIONAL FUND ADVISORS LP $187,306,739 4.85% 744,492
Mega VANGUARD CAPITAL MANAGEMENT LLC $163,776,032 4.24% 650,964
Mega STATE STREET CORP $142,872,174 3.70% 567,877
Mega MILLENNIUM MANAGEMENT LLC $133,244,328 3.45% 529,609
Mid River Road Asset Management, LLC $125,760,028 3.26% 499,861
Large KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC $95,616,275 2.48% 380,048
Mega FIRST TRUST ADVISORS LP $95,310,594 2.47% 378,833
Mega GEODE CAPITAL MANAGEMENT, LLC $89,792,470 2.33% 356,900
Large Balyasny Asset Management L.P. $84,376,493 2.19% 335,373
Mega PRICE T ROWE ASSOCIATES INC /MD/ $83,407,619 2.16% 331,522
Large BRANDES INVESTMENT PARTNERS, LP $69,052,900 1.79% 274,466
Mid Westchester Capital Management, LLC $65,027,459 1.69% 258,466
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $56,960,730 1.48% 226,403
Mid ALPINE ASSOCIATES MANAGEMENT INC. $54,607,609 1.42% 217,050
Mega NORTHERN TRUST CORP Bank $47,202,559 1.22% 187,617
Mega MORGAN STANLEY $43,679,541 1.13% 173,614
Mid Magnetar Financial LLC $43,241,527 1.12% 171,873
Mega JPMORGAN CHASE & CO $42,766,519 1.11% 169,985
Mega CITIGROUP INC $40,539,702 1.05% 161,134
Mega BANK OF AMERICA CORP /DE/ Bank $38,222,809 0.99% 151,925
Large NATIXIS ADVISORS, LLC $37,501,502 0.97% 149,058
Large JONES FINANCIAL COMPANIES LLLP $36,016,617 0.93% 143,156
Large Qube Research & Technologies Ltd $35,571,052 0.92% 141,385
Mega ENVESTNET ASSET MANAGEMENT INC $31,466,612 0.82% 125,071
Mid TIG Advisors, LLC $29,650,384 0.77% 117,852
Mid AQR Arbitrage LLC $29,139,656 0.76% 115,822
Mega Bank of New York Mellon Corp Bank $28,397,462 0.74% 112,872
Mega UBS Group AG $26,155,547 0.68% 103,961
Mid Tweedy, Browne Co LLC $25,579,406 0.66% 101,671
Mega GOLDMAN SACHS GROUP INC $25,147,677 0.65% 99,955
Small SIRIOS CAPITAL MANAGEMENT L P $24,792,684 0.64% 98,544
Mega VANGUARD FIDUCIARY TRUST CO Bank $23,606,941 0.61% 93,831
Mega GOLDMAN SACHS GROUP INC $23,423,029 0.61% 93,100
Mega PRINCIPAL FINANCIAL GROUP INC $23,357,867 0.61% 92,841
Mid Copeland Capital Management, LLC $21,411,818 0.55% 85,106
Large Verition Fund Management LLC $21,396,219 0.55% 85,044
Large Public Sector Pension Investment Board Pension $21,364,771 0.55% 84,919
Mid Empyrean Capital Partners, LP $20,378,790 0.53% 81,000
Small Engine Capital Management, LP $18,627,723 0.48% 74,040
Mid Melqart Asset Management (UK) Ltd $18,570,864 0.48% 73,814
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $18,337,137 0.48% 72,885
Mega WELLS FARGO & COMPANY/MN $17,814,331 0.46% 70,807
Large Man Group plc $17,113,654 0.44% 68,022
Mid TimesSquare Capital Management, LLC $17,091,011 0.44% 67,932
Mega T. Rowe Price Investment Management, Inc. $16,734,760 0.43% 66,516
Large Squarepoint Ops LLC $15,340,700 0.40% 60,975
Mid CAXTON ASSOCIATES LLP $15,160,561 0.39% 60,259
Small Absolute Gestao de Investimentos Ltda. $14,579,640 0.38% 57,950
Mid COOPER CREEK PARTNERS MANAGEMENT LLC $14,355,725 0.37% 57,060
Mid LEVIN CAPITAL STRATEGIES, L.P. $14,069,164 0.36% 55,921
Mega Invesco Ltd. $13,938,335 0.36% 55,401
Mega FRANKLIN RESOURCES INC $13,013,993 0.34% 51,727
Small Birnam Oak Advisors, LP $12,863,293 0.33% 51,128
Large Allianz Asset Management GmbH $12,781,275 0.33% 50,802
Large Caption Management, LLC $12,579,500 0.33% 50,000
Large Woodline Partners LP $11,491,373 0.30% 45,675
Mega RHUMBLINE ADVISERS $11,047,316 0.29% 43,910
Small Topline Capital Management, LLC $10,143,605 0.26% 40,318
Mega Legal & General Group Plc $9,184,291 0.24% 36,505
Mega AQR CAPITAL MANAGEMENT LLC $9,154,854 0.24% 36,388
Mega CITADEL ADVISORS LLC $9,082,399 0.24% 36,100
Mega JANE STREET GROUP, LLC $8,947,797 0.23% 35,565
Small Slotnik Capital, LLC $8,679,855 0.22% 34,500
Mid NEW SOUTH CAPITAL MANAGEMENT INC $8,405,118 0.22% 33,408
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $7,905,209 0.20% 31,421
Large LMR Partners LLP $7,601,791 0.20% 30,215
Mega Swiss National Bank Bank $7,472,223 0.19% 29,700
Mega Nuveen, LLC $7,401,526 0.19% 29,419
Mega ROYAL BANK OF CANADA Bank $7,201,007 0.19% 28,622
Small THIRD AVENUE MANAGEMENT LLC $7,153,710 0.19% 28,434
Large BLAIR WILLIAM & CO/IL $7,123,016 0.18% 28,312
Large Russell Investments Group, Ltd. $7,074,204 0.18% 28,118
Mega RAYMOND JAMES FINANCIAL INC $7,062,885 0.18% 28,073
Mid Vest Financial, LLC $7,047,790 0.18% 28,013
Large STIFEL FINANCIAL CORP $6,778,588 0.18% 26,943
Small CIBRA Capital Ltd $6,641,976 0.17% 26,400
Mega AMERIPRISE FINANCIAL INC $6,638,956 0.17% 26,388
Small WATER ISLAND CAPITAL LLC $6,476,681 0.17% 25,743
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $6,370,256 0.17% 25,320
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $6,257,294 0.16% 24,871
Large CIBC Bancorp USA Inc. Bank $6,008,723 0.16% 23,883
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $5,736,252 0.15% 22,800
Large Creative Planning $5,469,315 0.14% 21,739
Small Quarry LP $5,371,698 0.14% 21,351
Large FIFTH THIRD BANCORP Bank $5,203,384 0.13% 20,682
Mega AMERICAN CENTURY COMPANIES INC $5,102,245 0.13% 20,280
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $4,749,516 0.12% 18,878
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $4,595,794 0.12% 18,267
Large Universal- Beteiligungs- und Servicegesellschaft mbH $4,491,636 0.12% 17,853
Mega ALLIANCEBERNSTEIN L.P. $4,096,891 0.11% 16,284
Mid New Age Alpha Advisors, LLC $3,890,587 0.10% 15,464
Large STATE OF WISCONSIN INVESTMENT BOARD $3,845,553 0.10% 15,285
Mega DEUTSCHE BANK AG\ Bank $3,845,301 0.10% 15,284
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $3,804,543 0.10% 15,122
Large Tidal Investments LLC $3,771,837 0.10% 14,992
Large SEI INVESTMENTS CO $3,759,508 0.10% 14,943
Large PRUDENTIAL FINANCIAL INC $3,753,471 0.10% 14,919

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