StepStone Group Inc. (STEP) Ownership

NASDAQ: STEPTop holders, insider trades and short interest.

STEP ownership summary

as of October 18, 2026
Institutions
98.3%
of shares outstanding
Insiders
5.54%
of shares outstanding
Shares outstanding
82.3M
Float
75.4M
shares available to trade
Short interest
8.51%
6.1M shares short
Days to cover
5.55
short interest up 14.4% vs prior month
  • Institutions 98.25%
  • Insiders 5.54%

STEP top institutional holders

20 largest
StepStone Group Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc14.55%12.0M$498.5M+145,075 (+1.2%)June 30, 2026
2Millennium Management LLC6.83%5.6M$234.0M−1.6M (−21.7%)June 30, 2026
3Wellington Management Company LLP6.31%5.2M$216.1M−50,110 (−1.0%)June 30, 2026
4T. Rowe Price Associates, Inc.6.28%5.2M$215.2M+293,492 (+6.0%)June 30, 2026
5Vanguard Portfolio Management, LLC5.68%4.7M$194.6M+189,138 (+4.2%)June 30, 2026
6Vanguard Capital Management, LLC4.31%3.6M$147.8M+24,352 (+0.7%)June 30, 2026
7State Street Corp3.79%3.1M$129.8M+248,229 (+8.6%)June 30, 2026
8Capital World Investors3.07%2.5M$105.1M−747,507 (−22.8%)June 30, 2026
9Geode Capital Management, LLC2.45%2.0M$84.0M+65,013 (+3.3%)June 30, 2026
10William Blair Investment Management, LLC2.35%1.9M$80.4M+15,538 (+0.8%)June 30, 2026
11Westfield Capital Management Company, L.P.2.10%1.7M$72.0M+551,453 (+46.8%)June 30, 2026
12JPMorgan Chase & Co1.85%1.5M$63.3M+40,951 (+2.8%)June 30, 2026
13The Goldman Sachs Group Inc1.74%1.4M$59.5M+844,894 (+144.8%)June 30, 2026
14Adage Capital Partners Gp LLC1.69%1.4M$57.9M+67,974 (+5.1%)June 30, 2026
15Samlyn Capital, LLC1.54%1.3M$52.8M+373,655 (+41.7%)June 30, 2026
16Capital Research Global Investors1.50%1.2M$51.3M+437,040 (+55.0%)June 30, 2026
17Balyasny Asset Management LLC1.35%1.1M$46.3M−312,806 (−21.9%)June 30, 2026
18Morgan Stanley - Brokerage Accounts1.32%1.1M$45.2M+337,299 (+45.2%)June 30, 2026
19Junto Capital Management LP1.31%1.1M$44.9M+222,950 (+26.1%)June 30, 2026
20Point72 Asset Management, L.P.1.22%1.0M$41.8M+817,601 (+437.1%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 4.7M shares and 4 cut 2.7M.

STEP top mutual fund and ETF holders

20 largest
StepStone Group Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.99%4.9M$205.1M—September 30, 2026
2American Funds SMALLCAP World A3.85%3.2M$131.8M+202,326 (+6.8%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest3.12%2.6M$107.0M−4,439 (−0.2%)August 31, 2026
4T. Rowe Price Mid-Cap Value2.56%2.1M$87.7M+60,400 (+3.0%)September 30, 2026
5iShares Russell 2000 ETF2.45%2.0M$84.0M—September 30, 2026
6Vanguard Small Cap Index2.25%1.9M$77.2M−2,565 (−0.1%)September 30, 2026
7Vanguard Explorer Inv1.63%1.3M$55.8M−349,513 (−20.7%)June 30, 2026
8Vanguard MStar Small Cap Growth Indx Inv1.25%1.0M$43.0M−36,251 (−3.4%)September 30, 2026
9Fidelity Small Cap Index1.03%850K$35.4M+7,053 (+0.8%)July 31, 2026
10iShares S&P Small-Cap 600 Growth ETF0.93%763K$31.8M—September 30, 2026
11State Street SPDR Port S&P 600 Sm CpETF0.91%748K$31.2M—September 30, 2026
12Capital Group U.S. Small and Mid Cap ETF0.91%748K$31.2M+5,265 (+0.7%)September 30, 2026
13Harbor Small Cap Growth Instl0.88%726K$30.2M−116,710 (−13.8%)September 30, 2026
14iShares Russell 2000 Value ETF0.83%682K$28.4M—September 30, 2026
15Strategic Advisers Fidelity US TtlStk0.74%613K$25.5M+377,078 (+160.0%)August 31, 2026
16JPMorgan Small Cap Equity A0.73%601K$25.0M−138,272 (−18.7%)August 31, 2026
17Baron Discovery Institutional0.70%575K$23.9M—September 30, 2026
18Carillon Scout Mid Cap I0.60%490K$20.4M+85,817 (+21.2%)September 30, 2026
19State Street® SPDR® S&P 600™ Sm Cp GrETF0.58%474K$19.7M—September 30, 2026
20T. Rowe Price Integrated US Sm Gr Eq0.57%465K$19.4M—September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

STEP insider transactions

latest 20
StepStone Group Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-01-26Scott W HartSell$72.5210,000$725,200
2025-12-26Scott W HartSell$66.1710,000$661,700
2025-12-10Michael I MccabeSell$66.20117,838$7.8M
2025-12-10Michael I MccabeSell$66.1474,214$4.9M
2025-11-25Scott W HartSell$61.7010,000$617,000
2025-11-13Jose A FernandezSell$62.3070,402$4.4M
2025-11-11Jose A FernandezSell$61.4170,404$4.3M
2025-10-27Scott W HartSell$64.3410,000$643,400
2025-09-25Scott W HartSell$64.7010,000$647,000
2025-09-11David Y ParkSell$63.261,000$63,260
2025-08-25Scott W HartSell$61.4410,000$614,400
2025-07-25Scott W HartSell$61.2810,000$612,800
2025-07-10Scott W HartSell$60.2910,000$602,900
2025-06-12Michael I MccabeSell$56.5467,718$3.8M
2025-05-28Jason P MentSell$60.7155,608$3.4M
2025-05-28Michael I MccabeSell$59.92199,741$12.0M
2025-05-28Michael I MccabeSell$59.9051,377$3.1M
2025-05-28Scott W HartSell$60.0627,697$1.7M
2025-05-23Jason P MentSell$60.00900$54,000
2025-05-23Scott W HartSell$60.011,403$84,194

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

STEP shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns STEP

Institutional investors own 98.3% of StepStone's shares and insiders 5.54%. The largest holder is BlackRock Inc with 14.55% of the shares (12.0M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 8.51% of the float, or 5.55 days of average trading volume. The share count rose 171.8% since 2018.

Related: STEP analyst forecast, STEP key metrics, STEP dividend history. See the STEP stock overview for the latest quote and news.

STEP ownership FAQ

Who owns the most StepStone stock?

The largest shareholders of StepStone are BlackRock Inc (14.55%), Millennium Management LLC (6.83%), Wellington Management Company LLP (6.31%), T. Rowe Price Associates, Inc. (6.28%), Vanguard Portfolio Management, LLC (5.68%).

What percentage of StepStone is owned by institutions?

Institutions hold 98.3% of StepStone's shares outstanding; insiders hold 5.54%.

Which funds own StepStone?

The largest fund holders of StepStone are iShares Core S&P Small-Cap ETF (5.99%), American Funds SMALLCAP World A (3.85%), Vanguard MStar Total Stk Mkt Idx Invest (3.12%), T. Rowe Price Mid-Cap Value (2.56%), iShares Russell 2000 ETF (2.45%).

What is StepStone's short interest?

6.1M shares of StepStone were sold short, 8.51% of the float; at the average daily volume it would take 5.55 days to cover.

Are insiders buying or selling StepStone?

Of the latest 20 reported insider transactions in StepStone (since May 23, 2025), 0 were purchases and 20 were sales.

How many shares of StepStone are outstanding?

StepStone has 82.3M shares outstanding, of which 75.4M are in the public float.

Asset Management: ownership