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STEP · StepStone Group Inc.

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Market Cap
$6.07B
Shares
120.68M

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: 275
Total Value: $3,344,356,426
Total Shares: 80,859,713
Showing 1–100 of 284 holdings by value · page 1 of 3

Institutional Ownership Trend

24 quarters

Holder Concentration

Across 275 13F filers · Δ vs Mar 31, 2026
Top Holder
14.8%
Sep 2023 → Jun 2026 · range 12.4% – 14.8%
+0.5 pts
Top 5
40.4%
Sep 2023 → Jun 2026 · range 40.4% – 45.3%
−0.3 pts
Top 10
56.6%
Sep 2023 → Jun 2026 · range 56.6% – 69.5%
−3.1 pts
HHI
478
Sep 2023 → Jun 2026 · range 478 – 614
Broadly held−22

Quarterly Activity

vs Mar 31, 2026
New
56
Increased
126
Decreased
71
Sold Out
46
Unchanged
22
Holder count: +10
Institutional value: -15.2%
Shares held: -2.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 284
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1796022 CUSIP 85914M107 13F (30d) 218 filings 218 filers Visit website Investor relations