STEPSTONE GROUP INC-CLASS A (STEP) Institutional Shareholders
STEPSTONE GROUP INC-CLASS A (STEP) 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 $3.07B in STEP holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of STEP tracked by InsiderSet, reporting ownership valued at approximately $495.17M 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 $603.40M, representing an estimated gain of +21.86% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed STEP value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Millennium Management Llc, Wellington Management Group Llp, and several other long-term asset managers with concentrated positions in STEPSTONE GROUP INC-CLASS A (STEP).
This page ranks the largest institutional STEP 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
270
Total Reported Value
$3.07B
Largest Holder
Blackrock, Inc.
Largest Position
$495.17M
Insider Transactions (90d)
9
Latest Filing Quarter
Q2 2026
New Institutional Positions
56
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% | 11,972,263 | $495,172,818 | $603,402,055 | +$108,229,237 | +21.86% | |
| Millennium Management Llc | 0.16% | 5,619,498 | $232,422,437 | $283,222,699 | +$50,800,262 | +21.86% | |
| Wellington Management Group Llp | 0.04% | 5,189,963 | $214,656,870 | $261,574,135 | +$46,917,265 | +21.86% | |
| Vanguard Portfolio Management Llc | 0.01% | 4,674,073 | $193,319,659 | $235,573,279 | +$42,253,620 | +21.86% | |
| Vanguard Capital Management Llc | 0.00% | 3,550,308 | $146,840,739 | $178,935,523 | +$32,094,784 | +21.86% | |
| State Street Corp | 0.00% | 3,117,991 | $128,956,456 | $157,146,746 | +$28,190,290 | +21.86% | |
| Capital World Investors | 0.01% | 2,524,018 | $104,393,384 | $127,210,507 | +$22,817,123 | +21.86% | |
| Geode Capital Management, Llc | 0.00% | 2,016,372 | $83,412,952 | $101,625,149 | +$18,212,197 | +21.83% | |
| William Blair Investment Management, Llc | 0.24% | 1,930,015 | $79,825,420 | $97,272,756 | +$17,447,336 | +21.86% | |
| Westfield Capital Management Co Lp | 0.23% | 1,729,424 | $71,528,977 | $87,162,970 | +$15,633,993 | +21.86% | |
| Jpmorgan Chase & Co | 0.00% | 1,520,835 | $61,380,904 | $76,650,084 | +$15,269,180 | +24.88% | |
| Goldman Sachs Group Inc | 0.01% | 1,428,505 | $59,082,954 | $71,996,652 | +$12,913,698 | +21.86% | |
| Adage Capital Partners Gp, L.L.C. | 0.08% | 1,391,217 | $57,540,735 | $70,117,337 | +$12,576,602 | +21.86% | |
| Samlyn Capital, Llc | 0.87% | 1,269,100 | $52,489,976 | $63,962,640 | +$11,472,664 | +21.86% | |
| Capital Research Global Investors | 0.01% | 1,231,923 | $50,952,335 | $62,088,919 | +$11,136,584 | +21.86% | |
| Balyasny Asset Management L.P. | 0.08% | 1,113,093 | $46,037,526 | $56,099,887 | +$10,062,361 | +21.86% | |
| Morgan Stanley | 0.00% | 1,084,346 | $44,848,596 | $54,651,038 | +$9,802,442 | +21.86% | |
| Junto Capital Management Lp | 0.83% | 1,078,672 | $44,613,874 | $54,365,069 | +$9,751,195 | +21.86% | |
| Point72 Asset Management, L.P. | 0.06% | 1,004,669 | $41,553,110 | $50,635,318 | +$9,082,208 | +21.86% | |
| Wasatch Advisors Lp | 0.25% | 905,245 | $37,440,933 | $45,624,348 | +$8,183,415 | +21.86% | |
| Bamco Inc | 0.05% | 828,911 | $34,283,759 | $41,777,114 | +$7,493,355 | +21.86% | |
| Northern Trust Corp | 0.00% | 802,242 | $33,180,728 | $40,432,997 | +$7,252,269 | +21.86% | |
| Charles Schwab Investment Management Inc | 0.00% | 689,492 | $28,517,389 | $34,750,397 | +$6,233,008 | +21.86% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 689,492 | $28,517,389 | $34,750,397 | +$6,233,008 | +21.86% | |
| Advent International, L.P. | 0.16% | 683,432 | $28,266,748 | $34,444,973 | +$6,178,225 | +21.86% | |
| Bank Of America Corp | 0.00% | 643,171 | $26,601,553 | $32,415,818 | +$5,814,265 | +21.86% | |
| Raymond James Financial Inc | 0.01% | 580,249 | $23,999,078 | $29,244,550 | +$5,245,472 | +21.86% | |
| Bank Of New York Mellon Corp | 0.00% | 525,918 | $21,751,955 | $26,506,267 | +$4,754,312 | +21.86% | |
| Ubs Group Ag | 0.00% | 501,320 | $20,734,595 | $25,266,528 | +$4,531,933 | +21.86% | |
| Vanguard Fiduciary Trust Co | 0.00% | 500,049 | $20,682,027 | $25,202,470 | +$4,520,443 | +21.86% | |
| Nuveen, Llc | 0.00% | 488,219 | $20,192,738 | $24,606,238 | +$4,413,500 | +21.86% | |
| Woodline Partners Lp | 0.06% | 466,529 | $19,295,639 | $23,513,062 | +$4,217,423 | +21.86% | |
| Schonfeld Strategic Advisors Llc | 0.10% | 437,016 | $18,074,980 | $22,025,606 | +$3,950,626 | +21.86% | |
| Fred Alger Management, Llc | 0.05% | 360,029 | $14,890,901 | $18,145,462 | +$3,254,561 | +21.86% | |
| Voloridge Investment Management, Llc | 0.06% | 358,586 | $14,831,117 | $18,072,734 | +$3,241,617 | +21.86% | |
| Principal Financial Group Inc | 0.01% | 356,662 | $14,751,539 | $17,975,765 | +$3,224,226 | +21.86% | |
| Rockefeller Capital Management L.P. | 0.02% | 350,476 | $14,495,711 | $17,663,990 | +$3,168,279 | +21.86% | |
| Timessquare Capital Management, Llc | 0.21% | 349,666 | $14,462,186 | $17,623,166 | +$3,160,980 | +21.86% | |
| Public Sector Pension Investment Board | 0.04% | 347,876 | $14,388,151 | $17,532,950 | +$3,144,799 | +21.86% | |
| Lazard Asset Management Llc | 0.02% | 320,853 | $13,270,480 | $16,170,991 | +$2,900,511 | +21.86% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.03% | 318,500 | $13,173,160 | $16,052,400 | +$2,879,240 | +21.86% | |
| Tidal Investments Llc | 0.03% | 314,523 | $13,008,671 | $15,851,959 | +$2,843,288 | +21.86% | |
| Marshall Wace, Llp | 0.01% | 301,956 | $12,488,898 | $15,218,582 | +$2,729,684 | +21.86% | |
| Engle Capital Management, L.P. | 3.41% | 300,000 | $12,408,000 | $15,120,000 | +$2,712,000 | +21.86% | |
| Wells Fargo & Company/Mn | 0.00% | 272,665 | $11,277,404 | $13,742,316 | +$2,464,912 | +21.86% | |
| Inherent Management Corp. | 4.23% | 263,729 | $10,907,831 | $13,291,942 | +$2,384,111 | +21.86% | |
| Segall Bryant & Hamill, Llc | 0.13% | 260,788 | $10,786,192 | $13,143,715 | +$2,357,523 | +21.86% | |
| Squarepoint Ops Llc | 0.02% | 258,252 | $10,681,303 | $13,015,901 | +$2,334,598 | +21.86% | |
| Invesco Ltd. | 0.00% | 233,314 | $9,649,866 | $11,759,026 | +$2,109,160 | +21.86% | |
| Trexquant Investment Lp | 0.06% | 226,578 | $9,371,266 | $11,419,531 | +$2,048,265 | +21.86% |
Frequently asked questions about STEP
Who owns the most STEP stock?
The largest holders of STEP 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 STEPSTONE GROUP INC-CLASS A (STEP).
Is STEP widely held by superinvestors?
Many widely followed stocks like STEP appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly STEP 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.