ACCO BRANDS CORP (ACCO) Institutional Shareholders
ACCO BRANDS CORP (ACCO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $312.44M in ACCO holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of ACCO tracked by InsiderSet, reporting ownership valued at approximately $36.92M in its June 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 $38.60M, representing an estimated gain of +4.57% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 60% of the total disclosed ACCO value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Allspring Global Investments Holdings, Llc, Capital Management Corp, and several other long-term asset managers with concentrated positions in ACCO BRANDS CORP (ACCO).
This page ranks the largest institutional ACCO 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
191
Total Reported Value
$312.44M
Largest Holder
Blackrock, Inc.
Largest Position
$36.92M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
51
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 8,874,673 | $36,918,640 | $38,604,828 | +$1,686,188 | +4.57% | |
| Allspring Global Investments Holdings, Llc | 0.05% | 7,015,927 | $30,519,282 | $30,519,282 | +$0 | +0.00% | |
| Capital Management Corp | 4.42% | 7,086,229 | $29,478,713 | $30,825,096 | +$1,346,383 | +4.57% | |
| Dimensional Fund Advisors Lp | 0.00% | 4,371,317 | $18,185,680 | $19,015,229 | +$829,549 | +4.56% | |
| Vanguard Capital Management Llc | 0.00% | 3,918,074 | $16,299,188 | $17,043,622 | +$744,434 | +4.57% | |
| American Century Companies Inc | 0.01% | 2,962,381 | $12,323,505 | $12,886,357 | +$562,852 | +4.57% | |
| Lsv Asset Management | 0.02% | 2,897,500 | $12,054,000 | $12,604,125 | +$550,125 | +4.56% | |
| Goldman Sachs Group Inc | 0.00% | 2,739,214 | $11,395,128 | $11,915,581 | +$520,453 | +4.57% | |
| Geode Capital Management, Llc | 0.00% | 2,438,259 | $10,145,851 | $10,606,427 | +$460,576 | +4.54% | |
| State Street Corp | 0.00% | 2,254,432 | $9,378,437 | $9,806,779 | +$428,342 | +4.57% | |
| Charles Schwab Investment Management Inc | 0.00% | 2,224,188 | $9,252,622 | $9,675,218 | +$422,596 | +4.57% | |
| Aqr Capital Management Llc | 0.00% | 1,988,676 | $8,272,893 | $8,650,741 | +$377,848 | +4.57% | |
| Two Sigma Investments, Lp | 0.01% | 1,774,088 | $7,380,206 | $7,717,283 | +$337,077 | +4.57% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,498,383 | $6,233,273 | $6,517,966 | +$284,693 | +4.57% | |
| Ameriprise Financial Inc | 0.00% | 1,473,704 | $6,130,607 | $6,410,612 | +$280,005 | +4.57% | |
| Morgan Stanley | 0.00% | 1,138,353 | $4,735,553 | $4,951,836 | +$216,283 | +4.57% | |
| Bank Of America Corp | 0.00% | 1,031,476 | $4,290,940 | $4,486,921 | +$195,981 | +4.57% | |
| Bank Of New York Mellon Corp | 0.00% | 980,476 | $4,078,779 | $4,265,071 | +$186,292 | +4.57% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 957,935 | $3,985,010 | $4,167,017 | +$182,007 | +4.57% |
| Readystate Asset Management Lp | 0.16% | 946,251 | $3,936,404 | $4,116,192 | +$179,788 | +4.57% | |
| Prudential Financial Inc | 0.00% | 942,532 | $3,920,933 | $4,100,014 | +$179,081 | +4.57% | |
| Bridgeway Capital Management, Llc | 0.06% | 862,434 | $3,587,725 | $3,751,588 | +$163,863 | +4.57% | |
| Northern Trust Corp | 0.00% | 816,073 | $3,394,864 | $3,549,918 | +$155,054 | +4.57% | |
| D. E. Shaw & Co., Inc. | 0.00% | 711,362 | $2,959,266 | $3,094,425 | +$135,159 | +4.57% | |
| Csm Advisors, Llc | 0.06% | 666,656 | $2,771,000 | $2,899,954 | +$128,954 | +4.65% | |
| Vanguard Fiduciary Trust Co | 0.00% | 608,002 | $2,529,288 | $2,644,809 | +$115,521 | +4.57% | |
| Empowered Funds, Llc | 0.01% | 550,371 | $2,289,543 | $2,394,114 | +$104,571 | +4.57% | |
| Victory Capital Management Inc | 0.00% | 526,491 | $2,190,203 | $2,290,236 | +$100,033 | +4.57% | |
| Vanguard Global Advisers, Llc | 0.00% | 465,800 | $1,937,728 | $2,026,230 | +$88,502 | +4.57% | |
| Assenagon Asset Management S.A. | 0.00% | 464,056 | $1,930,473 | $2,018,644 | +$88,171 | +4.57% | |
| Stifel Financial Corp | 0.00% | 443,994 | $1,847,016 | $1,931,374 | +$84,358 | +4.57% | |
| Sei Investments Co | 0.00% | 437,524 | $1,820,100 | $1,903,229 | +$83,129 | +4.57% | |
| Robeco Institutional Asset Management B.V. | 0.00% | 418,745 | $1,741,979 | $1,821,541 | +$79,562 | +4.57% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.00% | 400,800 | $1,667,328 | $1,743,480 | +$76,152 | +4.57% | |
| Segall Bryant & Hamill, Llc | 0.02% | 382,226 | $1,590,060 | $1,662,683 | +$72,623 | +4.57% | |
| Jpmorgan Chase & Co | 0.00% | 366,806 | $1,566,262 | $1,595,606 | +$29,344 | +1.87% | |
| Lpl Financial Llc | 0.00% | 365,283 | $1,519,576 | $1,588,981 | +$69,405 | +4.57% | |
| Envestnet Asset Management Inc | 0.00% | 356,566 | $1,483,315 | $1,551,062 | +$67,747 | +4.57% | |
| Ubs Group Ag | 0.00% | 337,565 | $1,404,271 | $1,468,408 | +$64,137 | +4.57% | |
| North Star Investment Management Corp. | 0.07% | 308,825 | $1,284,712 | $1,343,389 | +$58,677 | +4.57% | |
| Squarepoint Ops Llc | 0.00% | 282,892 | $1,176,831 | $1,230,580 | +$53,749 | +4.57% | |
| Russell Investments Group, Ltd. | 0.00% | 268,693 | $1,117,762 | $1,168,815 | +$51,053 | +4.57% | |
| Pacific Ridge Capital Partners, Llc | 0.19% | 248,314 | $1,032,986 | $1,080,166 | +$47,180 | +4.57% | |
| Acadian Asset Management Llc | 0.00% | 223,690 | $928,000 | $973,051 | +$45,051 | +4.85% | |
| Nuveen, Llc | 0.00% | 202,709 | $843,269 | $881,784 | +$38,515 | +4.57% | |
| Indivisible Partners | 0.04% | 170,981 | $711,281 | $743,767 | +$32,486 | +4.57% | |
| Advyzon Investment Management, Llc | 0.05% | 163,995 | $682,219 | $713,378 | +$31,159 | +4.57% | |
| Invesco Ltd. | 0.00% | 156,643 | $651,635 | $681,397 | +$29,762 | +4.57% | |
| Nomura Asset Management International Inc. | 0.00% | 146,000 | $607,000 | $635,100 | +$28,100 | +4.63% | |
| Federated Hermes, Inc. | 0.00% | 136,664 | $568,523 | $594,488 | +$25,965 | +4.57% |
Frequently asked questions about ACCO
Who owns the most ACCO stock?
The largest holders of ACCO 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 ACCO BRANDS CORP (ACCO).
Is ACCO widely held by superinvestors?
Many widely followed stocks like ACCO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ACCO 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.