Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MESO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | 1.2M | $16.5M | +43.7% | 0.942% | 0.00% |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 990K | $13.4M | +38.5% | 0.763% | 0.00% |
| 3 | CITADEL ADVISORS LLC | 818K | $11.1M | +49.9% | 0.630% | 0.00% |
| 4 | MORGAN STANLEY | 719K | $9.7M | +39.7% | 0.554% | 0.00% |
| 5 | BlackRock, Inc. | 664K | $9.0M | +5.3% | 0.512% | 0.00% |
| 6 | GOLDMAN SACHS GROUP INC | 396K | $5.4M | -0.4% | 0.305% | 0.00% |
| 7 | BNP Paribas Asset Management Holding S.A. | 260K | $3.5M | β | 0.200% | 0.00% |
| 8 | UBS Group AG | 200K | $2.7M | +50.9% | 0.154% | 0.00% |
| 9 | Arax Advisory Partners | 168K | $2.3M | +587.9% | 0.130% | 0.02% |
| 10 | BANK OF AMERICA CORP /DE/ | 100K | $1.4M | 0.0% | 0.077% | 0.00% |
| 11 | Penbrook Management LLC | 87K | $1.2M | 0.0% | 0.067% | 0.75% |
| 12 | Fi3 FINANCIAL ADVISORS, LLC | 8K | $1.0M | -81.2% | 0.006% | 0.24% |
| 13 | M&G Plc | 59K | $827K | 0.0% | 0.045% | 0.00% |
| 14 | Quadrature Capital Ltd | 53K | $719K | +208.0% | 0.041% | 0.01% |
| 15 | LPL Financial LLC | 48K | $648K | -3.5% | 0.037% | 0.00% |
| 16 | LAZARI CAPITAL MANAGEMENT, INC. | 47K | $642K | +2.8% | 0.036% | 0.20% |
| 17 | Rialto Wealth Management, LLC | 47K | $629K | 0.0% | 0.036% | 0.12% |
| 18 | GROUP ONE TRADING LLC | 44K | $596K | -47.5% | 0.034% | 0.00% |
| 19 | ROYAL BANK OF CANADA | 44K | $595K | +67.5% | 0.034% | 0.00% |
| 20 | TWO SIGMA INVESTMENTS, LP | 43K | $587K | +9.0% | 0.033% | 0.00% |
| 21 | GEODE CAPITAL MANAGEMENT, LLC | 34K | $457K | 0.0% | 0.026% | 0.00% |
| 22 | &PARTNERS | 28K | $373K | +2.3% | 0.021% | 0.00% |
| 23 | CITIGROUP INC | 26K | $355K | -0.9% | 0.020% | 0.00% |
| 24 | AQR CAPITAL MANAGEMENT LLC | 25K | $341K | -0.5% | 0.019% | 0.00% |
| 25 | XTX Topco Ltd | 25K | $338K | -39.0% | 0.019% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MESO β a direct measure of their conviction.
Filings activity in MESO during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 72 | +2.9% | 4.94% | +1.14 pp | $88M | +17% |
| Q1 2026 | 70 | 4.1% | 3.80% | 1.04 pp | $75M | 34% |
| Q4 2025 | 73 | +9.0% | 4.84% | +1.08 pp | $113M | +44% |
| Q3 2025 | 67 | 4.3% | 3.76% | +0.93 pp | $79M | +97% |
| Q2 2025 | 70 | +6.1% | 2.83% | 0.05 pp | $40M | 11% |
| Q1 2025 | 66 | +4.8% | 2.88% | +0.10 pp | $45M | 34% |
| Q4 2024 | 63 | +47% | 2.78% | +1.45 pp | $68M | +396% |
| Q3 2024 | 43 | β | 1.33% | β | $14M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as a key fundamental indicator because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 4, 2026 | George Gregory | Buy | 4.0M | $1.42 | $5.7M |
| Apr 4, 2026 | George Gregory | Buy | 4.0M | $1.42 | $5.7M |
Quick answers to the most common questions about buying MESO stock.
Based on Q2 2026 13F filings, institutional ownership of Mesoblast Limited stands at 4.9%, held across 72 reporting institutions.
JANE STREET GROUP, LLC is the largest reported institutional holder of MESO, with approximately 1,222,952 shares worth $0.02B as of Q2 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of MESO, including JANE STREET GROUP, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for MESO is 74 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
9 institutions opened new positions in MESO during Q2 2026, while 6 fully exited. 16 added to existing positions and 46 trimmed.
MESO institutional ownership rose by 1.14 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 85.6% of all reported 13F value in MESO, and the top 25 account for 96.2%.
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.
Mesoblast Limited (MESO) Institutional Ownership