FULCRUM THERAPEUTICS INC (FULC) Institutional Ownership Changes & 13F Activity
FULCRUM THERAPEUTICS INC (FULC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Nantahala Capital Management, Llc, Ecor1 Capital, Llc, Tang Capital Management Llc, Citadel Advisors Llc, and Suvretta Capital Management, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +17,336 | +107.7% | 33,438 | $122.38K | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Buy | +4,116,524 | +318.5% | 5,409,010 | $19.80M | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Buy | +544 | +16.7% | 3,807 | $3.81K | Q2 2026 | Aug 24, 2026 |
| Assenagon Asset Management S.A. | Buy | +476,535 | +39.9% | 1,670,408 | $6.11M | Q2 2026 | Aug 21, 2026 |
| Nantahala Capital Management, Llc | Buy | +7,900,040 | +259.0% | 10,950,080 | $40.08M | Q2 2026 | Aug 19, 2026 |
| Mercer Global Advisors Inc | Buy | +31,874 | +293.3% | 42,740 | $156.43K | Q2 2026 | Aug 19, 2026 |
| Seven Fleet Capital Management Lp | Sell | -20,011 | -52.5% | 18,089 | $66.21K | Q2 2026 | Aug 17, 2026 |
| Ecor1 Capital, Llc | Buy | +6,549,866 | — | 6,549,866 | $23.97M | Q2 2026 | Aug 14, 2026 |
| Tang Capital Management Llc | Buy | +6,521,412 | — | 6,521,412 | $23.87M | Q2 2026 | Aug 14, 2026 |
| Suvretta Capital Management, Llc | Sell | -2,880,190 | -43.9% | 3,680,921 | $13.47M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +1,907,081 | +614.4% | 2,217,498 | $8.12M | Q2 2026 | Aug 14, 2026 |
| Adage Capital Partners Gp, L.L.C. | Buy | +1,600,000 | +400.0% | 2,000,000 | $7.32M | Q2 2026 | Aug 14, 2026 |
| Adar1 Capital Management, Llc | Buy | +1,434,469 | +1098.7% | 1,565,029 | $5.73M | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | Sell | -1,423,428 | -68.6% | 651,427 | $2.38M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +1,421,104 | +87.5% | 3,044,385 | $11.14M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +1,129,332 | +316.8% | 1,485,803 | $5.44M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -1,087,574 | -61.1% | 692,372 | $2.53M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +1,079,610 | +1065.4% | 1,180,946 | $4.32M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +916,470 | +724.1% | 1,043,029 | $3.82M | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +773,728 | +79.4% | 1,748,467 | $6.40M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +673,766 | +484.7% | 812,766 | $2.97M | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +560,096 | +103.1% | 1,103,261 | $4.04M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +522,516 | +91.4% | 1,094,425 | $4.01M | Q2 2026 | Aug 14, 2026 |
| Sixth Street Partners Management Company, L.P. | Buy | +433,220 | — | 433,220 | $1.59M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Buy | +166,484 | +140.4% | 285,084 | $1.04M | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Buy | +137,644 | +192.2% | 209,247 | $765.84K | Q2 2026 | Aug 14, 2026 |
| Verdad Advisers, Lp | Buy | +125,224 | — | 125,224 | $458.32K | Q2 2026 | Aug 14, 2026 |
| Engineers Gate Manager Lp | Buy | +115,891 | +91.9% | 242,000 | $885.72K | Q2 2026 | Aug 14, 2026 |
| Rangeley Capital, Llc | Buy | +114,890 | — | 114,890 | $420.50K | Q2 2026 | Aug 14, 2026 |
| Canada Pension Plan Investment Board | Buy | +84,000 | +456.5% | 102,400 | $374.78K | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about FULC activity
Which institutional owners are buying FULC?
Institutional owners buying FULC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in FULC activity?
"Buy" means an investor increased their reported position in FULC compared to the prior reporting period. This reflects growing exposure to FULCRUM THERAPEUTICS INC (FULC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in FULC increasing?
Institutional interest in FULC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related FULC Institutional Insights
- FULC Overview
- FULC 13F Institutional Holders
- FULC Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- FULC Insider Trading & SEC Form 4 Activity
- FULC Articles
- Top Institutional Investor Stock Rankings