BARRETT BUSINESS SVCS INC (BBSI) Institutional Shareholders
BARRETT BUSINESS SVCS INC (BBSI) 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 $551.33M in BBSI holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of BBSI tracked by InsiderSet, reporting ownership valued at approximately $55.68M 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 $76.27M, representing an estimated gain of +36.98% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 56% of the total disclosed BBSI value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Mawer Investment Management Ltd., Royce & Associates Lp, and several other long-term asset managers with concentrated positions in BARRETT BUSINESS SVCS INC (BBSI).
This page ranks the largest institutional BBSI 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
189
Total Reported Value
$551.33M
Largest Holder
Blackrock, Inc.
Largest Position
$55.68M
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
145
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% | 1,908,249 | $55,682,706 | $76,272,713 | +$20,590,007 | +36.98% | |
| Mawer Investment Management Ltd. | 0.32% | 1,701,812 | $49,658,874 | $68,021,426 | +$18,362,552 | +36.98% | |
| Royce & Associates Lp | 0.40% | 1,372,898 | $40,061,164 | $54,874,733 | +$14,813,569 | +36.98% | |
| Vanguard Capital Management Llc | 0.00% | 1,072,049 | $31,282,390 | $42,849,799 | +$11,567,409 | +36.98% | |
| Private Capital Management, Llc | 2.97% | 999,910 | $29,177,385 | $39,966,403 | +$10,789,018 | +36.98% | |
| Wellington Management Group Llp | 0.00% | 860,360 | $25,105,305 | $34,388,589 | +$9,283,284 | +36.98% | |
| Trigran Investments, Inc. | 5.01% | 718,390 | $20,962,620 | $28,714,048 | +$7,751,428 | +36.98% | |
| Dimensional Fund Advisors Lp | 0.00% | 661,181 | $19,294,548 | $26,427,405 | +$7,132,857 | +36.97% | |
| State Street Corp | 0.00% | 658,122 | $19,204,000 | $26,305,136 | +$7,101,136 | +36.98% | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 639,462 | $18,659,501 | $25,559,296 | +$6,899,795 | +36.98% |
| Geode Capital Management, Llc | 0.00% | 618,513 | $18,051,842 | $24,721,965 | +$6,670,123 | +36.95% | |
| Heartland Advisors Inc | 0.67% | 450,000 | $13,131,000 | $17,986,500 | +$4,855,500 | +36.98% | |
| Charles Schwab Investment Management Inc | 0.00% | 313,117 | $9,136,754 | $12,515,286 | +$3,378,532 | +36.98% | |
| Jacobs Levy Equity Management, Inc | 0.04% | 301,104 | $8,786,215 | $12,035,127 | +$3,248,912 | +36.98% | |
| Polar Asset Management Partners Inc. | 0.20% | 285,000 | $8,316,300 | $11,391,450 | +$3,075,150 | +36.98% | |
| Northern Trust Corp | 0.00% | 273,030 | $7,967,016 | $10,913,009 | +$2,945,993 | +36.98% | |
| Teacher Retirement System Of Texas | 0.03% | 270,970 | $7,906,905 | $10,830,671 | +$2,923,766 | +36.98% | |
| Goldman Sachs Group Inc | 0.00% | 269,433 | $7,862,055 | $10,769,237 | +$2,907,182 | +36.98% | |
| Morgan Stanley | 0.00% | 263,458 | $7,687,707 | $10,530,416 | +$2,842,709 | +36.98% | |
| Nuveen, Llc | 0.00% | 259,022 | $7,558,261 | $10,353,109 | +$2,794,848 | +36.98% | |
| Vanguard Portfolio Management Llc | 0.00% | 253,455 | $7,395,817 | $10,130,596 | +$2,734,779 | +36.98% | |
| Russell Investments Group, Ltd. | 0.01% | 231,616 | $6,758,546 | $9,257,692 | +$2,499,146 | +36.98% | |
| Riverbridge Partners Llc | 0.17% | 171,205 | $6,081,205 | $6,843,064 | +$761,859 | +12.53% | |
| Kennedy Capital Management Llc | 0.11% | 181,604 | $5,299,205 | $7,258,712 | +$1,959,507 | +36.98% | |
| Vanguard Fiduciary Trust Co | 0.00% | 179,786 | $5,246,155 | $7,186,046 | +$1,939,891 | +36.98% | |
| Bank Of New York Mellon Corp | 0.00% | 170,695 | $4,980,890 | $6,822,679 | +$1,841,789 | +36.98% | |
| Sei Investments Co | 0.00% | 168,356 | $4,912,628 | $6,729,189 | +$1,816,561 | +36.98% | |
| Fmr Llc | 0.00% | 155,122 | $4,526,471 | $6,200,226 | +$1,673,755 | +36.98% | |
| North Star Investment Management Corp. | 0.24% | 123,350 | $4,381,392 | $4,930,300 | +$548,908 | +12.53% | |
| Two Sigma Investments, Lp | 0.00% | 146,221 | $4,266,729 | $5,844,453 | +$1,577,724 | +36.98% | |
| Pullen Investment Management, Llc | 1.44% | 87,372 | $3,103,453 | $3,492,259 | +$388,806 | +12.53% | |
| Trexquant Investment Lp | 0.02% | 102,863 | $3,001,542 | $4,111,434 | +$1,109,892 | +36.98% | |
| Bank Of America Corp | 0.00% | 90,450 | $2,639,331 | $3,615,287 | +$975,956 | +36.98% | |
| Alpine Peaks Capital, Lp | 2.61% | 88,352 | $2,578,111 | $3,531,429 | +$953,318 | +36.98% | |
| First Trust Advisors Lp | 0.00% | 86,518 | $2,524,595 | $3,458,124 | +$933,529 | +36.98% | |
| Bridge City Capital, Llc | 0.67% | 82,951 | $2,420,510 | $3,315,551 | +$895,041 | +36.98% | |
| Alliancebernstein L.P. | 0.00% | 66,470 | $2,406,879 | $2,656,806 | +$249,927 | +10.38% | |
| Chatham Capital Group, Inc. | 0.30% | 67,159 | $2,385,488 | $2,684,345 | +$298,857 | +12.53% | |
| Aqr Capital Management Llc | 0.00% | 77,790 | $2,269,917 | $3,109,266 | +$839,349 | +36.98% | |
| Lazard Asset Management Llc | 0.00% | 75,117 | $2,191,914 | $3,002,426 | +$810,512 | +36.98% | |
| Ironwood Investment Management Llc | 0.91% | 74,489 | $2,173,589 | $2,977,325 | +$803,736 | +36.98% | |
| State Of New Jersey Common Pension Fund D | 0.01% | 69,028 | $2,014,237 | $2,759,049 | +$744,812 | +36.98% | |
| Polaris Capital Management, Llc | 0.18% | 54,100 | $1,921,632 | $2,162,377 | +$240,745 | +12.53% | |
| Quantinno Capital Management Lp | 0.00% | 64,103 | $1,870,541 | $2,562,197 | +$691,656 | +36.98% | |
| Waverly Advisors, Llc | 0.01% | 60,193 | $1,756,432 | $2,405,914 | +$649,482 | +36.98% | |
| Voleon Capital Management Lp | 0.03% | 53,034 | $1,547,532 | $2,119,769 | +$572,237 | +36.98% | |
| Citigroup Inc | 0.00% | 52,932 | $1,544,555 | $2,115,692 | +$571,137 | +36.98% | |
| Swiss National Bank | 0.00% | 50,700 | $1,479,426 | $2,026,479 | +$547,053 | +36.98% | |
| Engineers Gate Manager Lp | 0.02% | 50,568 | $1,475,574 | $2,021,203 | +$545,629 | +36.98% | |
| Squarepoint Ops Llc | 0.00% | 50,389 | $1,470,351 | $2,014,048 | +$543,697 | +36.98% |
Frequently asked questions about BBSI
Who owns the most BBSI stock?
The largest holders of BBSI 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 BARRETT BUSINESS SVCS INC (BBSI).
Is BBSI widely held by superinvestors?
Many widely followed stocks like BBSI appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly BBSI 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.