Cormorant Asset Management, LP
13F filer · CIK 1583977 · Boston, MA
Summary
Cormorant Asset Management, LP reported $1.95B across 50 positions in its 13F for 2026 Q2, filed Aug 14, 2026. The largest holdings are PRAX (11.0%), BBOT (7.0%), PBLS (6.5%). Versus 2026 Q1, leaving options aside, it opened 13 new positions, added to 4, trimmed 28 and sold out of 9.
Reported value$1.95B
Positions50
Report period2026 Q2
FiledAug 14, 2026
New positions13
Added4
Trimmed28
Sold out9
Top 25 holdings
By reported value, options listed separately · change vs 2026 Q1
Weight 11.0%Value $214.27MPrice $285.65Shares 640K -27.72%Since Jun 30 -14.68%
Weight 7.0%Value $136.23MPrice $3.92Shares 17.88MSince Jun 30 -48.56%
Weight 6.5%Value $126.33MPrice $32.57Shares 4.62MSince Jun 30 +19.00%
Weight 5.7%Value $110.74MPrice $33.44Shares 2.66M -10.14%Since Jun 30 -19.75%
Weight 5.6%Value $109.92MPrice $14.13Shares 6.00M +3.45%Since Jun 30 -22.87%
Weight 5.2%Value $101.98MPrice $39.79Shares 2.51M -23.01%Since Jun 30 -2.07%
Weight 5.1%Value $100.10MPrice $3.31Shares 7.00M -15.31%Since Jun 30 -76.85%
Weight 4.7%Value $92.46MPrice $7.29Shares 3.29M -16.80%Since Jun 30 -74.09%
Weight 4.6%Value $89.95MPrice $98.50Shares 675K -11.18%Since Jun 30 -26.08%
Weight 3.7%Value $73.11MPrice $87.83Shares 750K -21.05%Since Jun 30 -9.90%
Weight 3.2%Value $63.18MPrice $51.66Shares 900K -15.04%Since Jun 30 -26.41%
Weight 3.2%Value $62.41MPrice $11.56Shares 3.21M -28.46%Since Jun 30 -40.63%
Weight 3.0%Value $58.59MPrice $7.14Shares 2.39M -17.30%Since Jun 30 -70.87%
Weight 2.6%Value $50.76MPrice $84.19Shares 533KSince Jun 30 -11.54%
Weight 2.3%Value $45.75MPrice $15.65Shares 3.98M +37.28%Since Jun 30 +36.09%
Weight 2.1%Value $40.96MPrice $65.97Shares 550K -35.29%Since Jun 30 -11.43%
Weight 2.1%Value $40.64MPrice $24.30Shares 1.30M -8.77%Since Jun 30 -22.26%
Weight 2.0%Value $38.84MPrice $13.29Shares 2.61M +48.30%Since Jun 30 -10.69%
Weight 1.6%Value $32.00MPrice $10.53Shares 2.47MSince Jun 30 -18.88%
Weight 1.6%Value $30.36MPrice $57.54Shares 550K -50.89%Since Jun 30 +4.24%
Weight 1.4%Value $27.46MPrice $11.74Shares 2.11MSince Jun 30 -9.97%
Weight 1.4%Value $26.90MPrice $8.61Shares 2.15M -44.87%Since Jun 30 -31.18%
Weight 1.3%Value $26.01MPrice $20.75Shares 1.00M -34.43%Since Jun 30 -20.22%
Weight 1.3%Value $25.93MPrice $31.91Shares 750K -25.00%Since Jun 30 -7.72%
Weight 1.1%Value $22.00MPrice $6.92Shares 2.34MSince Jun 30 -26.23%
| Stock | Weight | Value | Since Jun 30 | Shares change | Action |
|---|---|---|---|---|---|
| 11.0% | $214.27M | -14.68% | -27.72% | Trim | |
| 7.0% | $136.23M | -48.56% | — | Hold | |
| 6.5% | $126.33M | +19.00% | — | New | |
| 5.7% | $110.74M | -19.75% | -10.14% | Trim | |
| 5.6% | $109.92M | -22.87% | +3.45% | Add | |
| 5.2% | $101.98M | -2.07% | -23.01% | Trim | |
| 5.1% | $100.10M | -76.85% | -15.31% | Trim | |
| 4.7% | $92.46M | -74.09% | -16.80% | Trim | |
| 4.6% | $89.95M | -26.08% | -11.18% | Trim | |
| 3.7% | $73.11M | -9.90% | -21.05% | Trim | |
| 3.2% | $63.18M | -26.41% | -15.04% | Trim | |
| 3.2% | $62.41M | -40.63% | -28.46% | Trim | |
| 3.0% | $58.59M | -70.87% | -17.30% | Trim | |
| 2.6% | $50.76M | -11.54% | — | Hold | |
| 2.3% | $45.75M | +36.09% | +37.28% | Add | |
| 2.1% | $40.96M | -11.43% | -35.29% | Trim | |
| 2.1% | $40.64M | -22.26% | -8.77% | Trim | |
| 2.0% | $38.84M | -10.69% | +48.30% | Add | |
| 1.6% | $32.00M | -18.88% | — | Hold | |
| 1.6% | $30.36M | +4.24% | -50.89% | Trim | |
| 1.4% | $27.46M | -9.97% | — | New | |
| 1.4% | $26.90M | -31.18% | -44.87% | Trim | |
| 1.3% | $26.01M | -20.22% | -34.43% | Trim | |
| 1.3% | $25.93M | -7.72% | -25.00% | Trim | |
| 1.1% | $22.00M | -26.23% | — | Hold |
Weight is the share of the reported 13F value, including options at notional value. “Since Jun 30” compares the latest close with the quarter-end price implied by the filing (value ÷ shares).
Largest buys in 2026 Q2
Largest sells in 2026 Q2
Source: SEC Form 13F, values as reported by the filer. Filings lag up to 45 days after quarter end and cover only certain long positions. Research only, not investment advice.