Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in STEP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 11.8M | $564.4M | +11.3% | 9.457% | 0.01% |
| 2 | MILLENNIUM MANAGEMENT LLC | 7.2M | $342.3M | +61.0% | 5.736% | 0.23% |
| 3 | Pitcairn Wealth Advisors LLC | 4.0M | $259.3M | 0.0% | 3.231% | 23.87% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | 5.2M | $250.1M | -15.9% | 4.190% | 0.05% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.5M | $214.0M | — | 3.586% | 0.01% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 3.5M | $168.3M | — | 2.819% | 0.00% |
| 7 | Capital World Investors | 3.3M | $156.1M | +7.0% | 2.616% | 0.02% |
| 8 | STATE STREET CORP | 2.9M | $136.9M | +4.2% | 2.295% | 0.00% |
| 9 | CITADEL ADVISORS LLC | 2.1M | $98.2M | +28.3% | 1.645% | 0.05% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2.0M | $93.1M | +9.8% | 1.560% | 0.01% |
| 11 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.9M | $91.4M | +185.7% | 1.531% | 0.30% |
| 12 | BALYASNY ASSET MANAGEMENT LLC | 1.4M | $68.0M | +131.0% | 1.140% | 0.23% |
| 13 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1.3M | $63.1M | +549.6% | 1.058% | 0.10% |
| 14 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1.2M | $56.2M | +49.8% | 0.942% | 0.24% |
| 15 | FMR LLC | 995K | $47.5M | -3.5% | 0.796% | 0.00% |
| 16 | FRANKLIN RESOURCES INC | 977K | $46.6M | -17.4% | 0.782% | 0.01% |
| 17 | WASATCH ADVISORS INC | 922K | $44.0M | +0.5% | 0.737% | 0.29% |
| 18 | SAMLYN CAPITAL, LLC | 895K | $42.7M | — | 0.716% | 0.73% |
| 19 | Junto Capital Management LP | 856K | $40.8M | — | 0.684% | 0.87% |
| 20 | BAMCO INC /NY/ | 831K | $39.6M | +13.7% | 0.664% | 0.12% |
| 21 | Capital Research Global Investors | 795K | $37.9M | 0.0% | 0.636% | 0.01% |
| 22 | MORGAN STANLEY | 747K | $35.6M | -5.8% | 0.597% | 0.00% |
| 23 | NORTHERN TRUST CORP | 727K | $34.7M | +7.0% | 0.581% | 0.00% |
| 24 | RAYMOND JAMES FINANCIAL INC | 734K | $34.6M | -8.4% | 0.587% | 0.01% |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 651K | $31.0M | -3.6% | 0.520% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in STEP — a direct measure of their conviction.
Filings activity in STEP during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new STEP position in Q1 2026
Institutions that fully closed their STEP position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 259 | 0.8% | 65.79% | 18.79 pp | $3.65B | 22% |
| Q4 2025 | 261 | +5.2% | 84.58% | +4.12 pp | $4.70B | +5.1% |
| Q3 2025 | 248 | 6.8% | 80.46% | +18.63 pp | $4.47B | +30% |
| Q2 2025 | 266 | +13% | 61.83% | +5.83 pp | $3.43B | +10% |
| Q1 2025 | 235 | 6.4% | 56.00% | 5.53 pp | $3.11B | 9.0% |
| Q4 2024 | 251 | +21% | 61.53% | +1.90 pp | $3.42B | +3.2% |
| Q3 2024 | 207 | +11% | 59.63% | +15.51 pp | $3.31B | +35% |
| Q2 2024 | 186 | — | 44.12% | — | $2.45B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 11, 2026 | McCabe Michael I | Buy | 97K | $41.71 | $4.0M |
Quick answers to the most common questions about buying STEP stock.
Based on Q1 2026 13F filings, institutional ownership of StepStone Group Inc. stands at 65.8%, held across 259 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of STEP, with approximately 11,827,188 shares worth $0.56B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of STEP, including MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for STEP is 41 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
60 institutions opened new positions in STEP during Q1 2026, while 62 fully exited. 54 added to existing positions and 144 trimmed.
STEP institutional ownership fell by 18.79 percentage points quarter-over-quarter, with a net change of -2 holders.
The top 10 institutions account for 62.5% of all reported 13F value in STEP, and the top 25 account for 82.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
StepStone Group Inc. (STEP) Institutional Ownership