ASMB — ASSEMBLY BIOSCIENCES INC
As of Q2 2026, 26 SEC-registered investment managers reported holding ASMB (ASSEMBLY BIOSCIENCES INC) in their latest 13F filings, with a combined reported value of $115.80M across 4.22M shares. That is +23.6% by share count (+805.11K shares) versus the previous quarter, while reported value moved +22.2%. Ownership is concentrated: the five largest holders account for 81.0% of reported value and the top ten for 93.6%.
Compared with the prior quarter, 10 opened new positions, 11 added to existing stakes, 4 trimmed, 3 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
ASMB is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Farallon Capital Management history | Q2 2026 | 1.60M | $44.09M | 0.20% | Add |
| Janus Henderson Group history | Q1 2026 | 849.31K | $23.48M | 0.01% | Add |
| BlackRock Inc history | Q2 2026 | 766.82K | $21.07M | 0.00% | Add |
| Vanguard Group history | Q4 2025 | 572.90K | $19.48M | 0.00% | Add |
| Point72 Asset Management history | Q2 2026 | 460.59K | $12.66M | 0.01% | Add |
| Millennium Management history | Q2 2026 | 298.81K | $8.21M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 280.42K | $7.71M | 0.00% | Add |
| Goldman Sachs Group history | Q2 2026 | 137.83K | $3.79M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 123.03K | $3.38M | 0.00% | Add |
| Citadel Advisors history | Q2 2026 | 114.41K | $3.14M | 0.00% | Add |
| Franklin Resources history | Q2 2026 | 113.20K | $3.11M | 0.00% | New |
| JPMorgan Chase & Co history | Q2 2026 | 46.38K | $1.25M | 0.00% | New |
| Morgan Stanley history | Q2 2026 | 45.22K | $1.24M | 0.00% | Add |
| UBS Group AG history | Q2 2026 | 41.81K | $1.15M | 0.00% | Add |
| Arrowstreet Capital history | Q1 2026 | 39.45K | $1.09M | 0.00% | Add |
| Renaissance Technologies history | Q2 2026 | 39.44K | $1.08M | 0.00% | Add |
| Charles Schwab Investment Management history | Q2 2026 | 29.13K | $800.44K | 0.00% | New |
| Wellington Management Group history | Q1 2026 | 26.50K | $735.26K | 0.00% | New |
| BNY Mellon history | Q2 2026 | 24.02K | $659.93K | 0.00% | New |
| Two Sigma Investments history | Q2 2026 | 17.86K | $490.74K | 0.00% | Reduce |
New Positions (Q2 2026)
- Franklin Resources 113.20K sh · $3.11M
- JPMorgan Chase & Co 46.38K sh · $1.25M
- Charles Schwab Investment Management 29.13K sh · $800.44K
- BNY Mellon 24.02K sh · $659.93K
- Invesco Ltd 11.86K sh · $326.02K
- Deutsche Bank AG 9.62K sh · $264.22K
- Wells Fargo & Co 8.25K sh · $226.79K
- Legal & General Investment Management America 958 sh · $26.33K
- Fidelity Management & Research (FMR) 178 sh · $4.89K
- T. Rowe Price Associates 8.20K sh · $226
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 849.31K sh · $23.48M
- Arrowstreet Capital sold 39.45K sh · $1.09M
- Wellington Management Group sold 26.50K sh · $735.26K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Farallon Capital Management | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.23M | 1.23M | 1.23M | 1.60M |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 77.11K | 81.53K | 78.99K | 89.67K | 170.20K | 192.30K | 202.74K | 766.82K |
| Point72 Asset Management | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 296.02K | 600.61K | 344.11K | 460.59K |
| Millennium Management | 285.43K | 333.94K | 1.37M | 1.42M | 1.55M | 1.50M | 1.45M | 1.45M | 1.41M | 1.45M | 124.92K | 123.46K | 37.55K | — | — | — | 21.61K | 98.22K | 233.65K | 298.81K |
| Geode Capital Management | 525.26K | 515.36K | 378.26K | 394.58K | 453.54K | 452.63K | 452.63K | 507.65K | 485.26K | 612.01K | 52.20K | 54.41K | 47.03K | 46.63K | 47.70K | 51.02K | 130.09K | 131.31K | 132.97K | 280.42K |
| Goldman Sachs Group | 131.37K | 55.36K | 123.77K | 76.77K | 73.44K | 55.15K | — | — | — | — | — | — | — | — | — | — | 17.66K | 34.79K | 36.20K | 137.83K |
| Northern Trust Corp | 106.68K | 102.57K | 92.70K | 89.13K | 91.80K | 91.47K | 98.40K | 108.12K | 108.12K | 131.18K | 10.56K | 11.57K | 29.82K | 28.65K | 28.32K | 28.07K | 39.95K | 41.23K | 41.01K | 123.03K |
| Citadel Advisors | 863.92K | 59.92K | 54.42K | 205.07K | 27.38K | 126.65K | 168.05K | 108.85K | 149.16K | 134.11K | — | 12.79K | 12.72K | — | 12.26K | 35.73K | 53.88K | 32.87K | 25.44K | 114.41K |
| Franklin Resources | 584.69K | 584.69K | 56.00K | 37.74K | 38.16K | 82.64K | 82.64K | 82.64K | 65.39K | 65.39K | — | — | — | — | — | — | 238.17K | 210.53K | — | 113.20K |
| JPMorgan Chase & Co | 2.96K | 94 | 14.79K | 6.32K | 94 | 94 | 95 | 95 | 155 | 94 | 7 | 67 | 3.51K | 11.43K | 7 | 7 | 7 | 48.16K | — | 46.38K |
| Morgan Stanley | 56.99K | 66.15K | 65.74K | 68.26K | 54.75K | 31.38K | 44.43K | 44.79K | 44.73K | 30.66K | 2.47K | 2.56K | 2.66K | 2.99K | 2.30K | 2.15K | 3.53K | 22.53K | 33.05K | 45.22K |
| UBS Group AG | 143.63K | 6.32K | 3.75K | 610 | 11.43K | 24.01K | 10.60K | — | — | 24.16K | 3.23K | 2.95K | 1.30K | 6.55K | 767 | 2.93K | 15.76K | 9.78K | 364 | 41.81K |
| Renaissance Technologies | 130.60K | 671.02K | 135.90K | 227.30K | 282.20K | 503.38K | 765.80K | 698.00K | 493.69K | 430.52K | 39.46K | 54.91K | 65.62K | 94.71K | 113.31K | 107.52K | 153.61K | 9.24K | 15.65K | 39.44K |
| Charles Schwab Investment Management | — | — | 51.37K | 32.45K | 32.45K | 32.45K | 32.45K | 32.45K | 32.45K | 32.45K | — | — | — | — | — | — | — | 6.70K | — | 29.13K |
| BNY Mellon | 15.87K | 15.87K | 15.87K | 15.87K | 15.87K | 15.87K | 15.87K | 15.87K | 15.87K | 15.87K | — | — | — | — | — | — | — | — | — | 24.02K |
| Two Sigma Investments | — | 190.29K | — | 62.44K | 32.07K | — | 38.30K | — | — | 135.05K | — | — | — | — | — | — | — | — | 20.55K | 17.86K |
| Marshall Wace | — | — | — | — | — | — | — | — | — | — | — | — | 12.72K | 14.82K | 18.04K | — | 85.22K | 129.07K | 163.40K | 17.73K |
| Invesco Ltd | 49.44K | 44.68K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11.86K |
| Deutsche Bank AG | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9.62K |
| Bank of America Corp | 34.93K | 7.91K | 31.56K | 30.79K | 30.41K | 59 | — | — | — | 29 | — | 46 | 344 | 37 | 39 | 52 | 3.37K | 5.11K | 10.90K | 9.57K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details