Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SEMR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Greycroft LP | 9.0M | $107.3M | 0.0% | 5.942% | 73.31% |
| 2 | FIL Ltd | 5.2M | $62.3M | +105.3% | 3.449% | 0.05% |
| 3 | HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS, L.P. | 4.6M | $54.9M | +32.3% | 3.041% | 3.77% |
| 4 | BlackRock, Inc. | 3.8M | $45.5M | -3.7% | 2.520% | 0.00% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7M | $44.6M | — | 2.471% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.7M | $31.9M | — | 1.768% | 0.00% |
| 7 | ALLIANCEBERNSTEIN L.P. | 2.1M | $25.5M | +696.7% | 1.416% | 0.01% |
| 8 | CNH PARTNERS LLC | 2.0M | $24.4M | +35.5% | 1.353% | 0.40% |
| 9 | Qube Research & Technologies Ltd | 1.9M | $23.0M | -15.9% | 1.273% | 0.03% |
| 10 | ODDO BHF ASSET MANAGEMENT SAS | 1.8M | $21.5M | — | 1.191% | 0.85% |
| 11 | GOLDMAN SACHS GROUP INC | 1.8M | $21.3M | -5.7% | 1.179% | 0.00% |
| 12 | MORGAN STANLEY | 1.7M | $20.6M | +277.0% | 1.141% | 0.00% |
| 13 | ALPINE ASSOCIATES MANAGEMENT INC. | 1.6M | $18.9M | +80.0% | 1.048% | 1.12% |
| 14 | SOROS FUND MANAGEMENT LLC | 1.5M | $17.7M | +15.4% | 0.981% | 0.21% |
| 15 | UBS Group AG | 1.4M | $16.7M | +1244.1% | 0.927% | 0.00% |
| 16 | STATE STREET CORP | 1.4M | $16.4M | -6.0% | 0.906% | 0.00% |
| 17 | Squarepoint Ops LLC | 1.2M | $14.9M | +10037.6% | 0.827% | 0.02% |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.2M | $14.3M | +29.7% | 0.793% | 0.01% |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $13.3M | -1.2% | 0.735% | 0.00% |
| 20 | MILLENNIUM MANAGEMENT LLC | 1.1M | $13.1M | -6.8% | 0.725% | 0.01% |
| 21 | Verition Fund Management LLC | 959K | $11.4M | +220.3% | 0.634% | 0.08% |
| 22 | JANUS HENDERSON GROUP PLC | 790K | $9.4M | +4141.5% | 0.523% | 0.00% |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 705K | $8.4M | +66.9% | 0.467% | 0.00% |
| 24 | Allianz Asset Management GmbH | 633K | $7.6M | 0.0% | 0.419% | 0.01% |
| 25 | Vivaldi Asset Management, LLC | 625K | $7.5M | 0.0% | 0.413% | 0.39% |
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 SEMR — a direct measure of their conviction.
Filings activity in SEMR during Q1 2026, grouped by how each filer changed its position.
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 | 158 | 2.5% | 43.96% | +2.62 pp | $798M | +6.3% |
| Q4 2025 | 162 | 1.2% | 41.34% | +15.02 pp | $750M | +57% |
| Q3 2025 | 164 | 3.5% | 26.32% | 7.66 pp | $478M | 23% |
| Q2 2025 | 170 | +1.8% | 33.98% | +0.67 pp | $617M | +2.0% |
| Q1 2025 | 167 | +1.8% | 33.31% | 8.04 pp | $605M | 19% |
| Q4 2024 | 164 | +11% | 41.35% | 9.91 pp | $750M | 19% |
| Q3 2024 | 148 | +1.4% | 51.26% | +4.76 pp | $930M | +10% |
| Q2 2024 | 146 | — | 46.50% | — | $844M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SEMR stock.
Based on Q1 2026 13F filings, institutional ownership of Semrush Holdings, Inc. stands at 44.0%, held across 158 reporting institutions.
Greycroft LP is the largest reported institutional holder of SEMR, with approximately 8,983,900 shares worth $0.11B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of SEMR, including SOROS FUND MANAGEMENT LLC, MILLENNIUM MANAGEMENT LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for SEMR is 66 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
34 institutions opened new positions in SEMR during Q1 2026, while 38 fully exited. 78 added to existing positions and 44 trimmed.
SEMR institutional ownership rose by 2.62 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 55.3% of all reported 13F value in SEMR, and the top 25 account for 81.8%.
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.
Semrush Holdings, Inc. (SEMR) Institutional Ownership