First Tracks Biotherapeutics TRAX
+136.8%vs Day 1Spinoff of AnaptysBio (ANAB) · Classic Spinoff · Spun Apr 20, 2026
Current Stats
Post-Spinoff Performance
| Timeline | |
| Spinoff date | April 20, 2026 · Nasdaq |
| Days since spinoff | 161 days |
| Structure | Classic Spinoff |
| §355(e) window closes statutory; a tax matters agreement may bar more, and for longer | April 20, 2028 |
| Parent | AnaptysBio (ANAB) |
| Day-1 reaction | |
| Day 1 open | $20.51 |
| Day 1 return (open→close) | -9.3% |
| Day 1 price (close) | $18.60 |
| Day 1 range | $14.79 – $21.00 +42.0% spread |
| Day 1 low held? | Breached after 31 sessions to -0.5% below |
| Price levels | |
| Post-spin low (closing) | $15.32 on Jun 3, 2026 · 44 days post-spin |
| Current price (Sep 25, 2026) | $34.42 |
| Returns | |
| Return vs Day 1 (close) | +85.1% |
| — range by day 1 entry theoretical bounds | +63.9% to +132.7% |
| Return vs post-spin low | +124.7% |
| First-quarter return (≈90d) | +96.3% |
| Versus benchmarks | |
| S&P 500 over same window | +9.5% |
| Shares & ownership | |
| Shares outstanding Mar 31, 2026 | 34,748,841 |
| Diluted average shares the EPS denominator | 34,748,841 |
| Free float | 26,150,332 73% of shares outstanding |
| Held by institutions | 101% insiders 8.7% |
| Volume & liquidity | |
| Traded per day 20-session median | $23M |
| Normal volume baseline | 559,100 shares · now 1.05x |
| Day 1 volume | 1.4x normal · first week 1.4x |
| Decay | half in 15 sessions · normal by 3 |
Computed from split-adjusted closing prices. Returns are total return — (end price + dividends received − start price) ÷ start price — with no reinvestment assumed.
Price History
Closing price, split-adjusted, with volume below. No dividends have been paid, so price return and total return are the same. Source: Yahoo Finance. Data through Sep 25, 2026.
Raw daily price & volume data
| Date | Open | High | Low | Close | Volume | Float | Turnover | Market cap | Dividend | Split |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-25 | $35.82 | $35.82 | $33.66 | $34.42 | 356,500 | 26,150,332 | 1.03% | $1.20B | — | — |
| 2026-09-24 | $36.11 | $37.09 | $34.57 | $35.83 | 1,144,100 | 26,150,332 | 3.29% | $1.25B | — | — |
| 2026-09-23 | $41.14 | $41.38 | $36.57 | $36.66 | 658,400 | 26,150,332 | 1.89% | $1.27B | — | — |
| 2026-09-22 | $39.43 | $42.24 | $39.37 | $41.03 | 893,200 | 26,150,332 | 2.57% | $1.43B | — | — |
| 2026-09-21 | $38.87 | $39.92 | $38.04 | $38.99 | 661,300 | 26,150,332 | 1.90% | $1.35B | — | — |
| 2026-09-18 | $40.20 | $41.48 | $38.45 | $38.60 | 2,590,700 | 26,150,332 | 7.46% | $1.34B | — | — |
| 2026-09-17 | $39.91 | $41.90 | $39.13 | $39.20 | 554,800 | 26,150,332 | 1.60% | $1.36B | — | — |
| 2026-09-16 | $40.25 | $40.89 | $38.57 | $39.00 | 637,200 | 26,150,332 | 1.83% | $1.36B | — | — |
| 2026-09-15 | $37.22 | $39.02 | $35.98 | $38.47 | 526,000 | 26,150,332 | 1.51% | $1.34B | — | — |
| 2026-09-14 | $36.17 | $38.50 | $36.17 | $37.57 | 442,600 | 26,151,761 | 1.27% | $1.31B | — | — |
| 2026-09-11 | $38.08 | $38.30 | $35.49 | $36.44 | 619,900 | 26,151,761 | 1.78% | $1.27B | — | — |
| 2026-09-10 | $39.35 | $40.69 | $37.40 | $37.98 | 389,100 | 26,151,761 | 1.12% | $1.32B | — | — |
| 2026-09-09 | $40.74 | $42.79 | $39.31 | $39.57 | 478,600 | 26,151,761 | 1.38% | $1.38B | — | — |
| 2026-09-08 | $39.45 | $43.78 | $39.20 | $41.80 | 540,700 | 26,151,761 | 1.56% | $1.45B | — | — |
| 2026-09-04 | $41.06 | $42.00 | $40.38 | $40.46 | 456,200 | 26,151,761 | 1.31% | $1.41B | — | — |
| 2026-09-03 | $44.57 | $45.56 | $42.29 | $42.51 | 717,000 | 26,151,761 | 2.06% | $1.48B | — | — |
| 2026-09-02 | $44.48 | $47.98 | $44.26 | $45.28 | 1,365,300 | 26,151,761 | 3.93% | $1.57B | — | — |
| 2026-09-01 | $41.57 | $42.62 | $40.75 | $41.17 | 557,500 | 26,151,761 | 1.60% | $1.43B | — | — |
| 2026-08-31 | $41.67 | $42.44 | $39.83 | $41.84 | 687,000 | 26,151,761 | 1.98% | $1.45B | — | — |
| 2026-08-28 | $44.36 | $44.74 | $41.69 | $41.86 | 410,000 | 26,151,761 | 1.18% | $1.45B | — | — |
| 2026-08-27 | $44.09 | $45.39 | $43.80 | $44.74 | 375,300 | 26,151,761 | 1.08% | $1.55B | — | — |
| 2026-08-26 | $45.84 | $45.84 | $43.73 | $44.19 | 561,700 | 26,151,761 | 1.62% | $1.54B | — | — |
| 2026-08-25 | $43.27 | $46.48 | $43.27 | $45.11 | 441,900 | 26,151,761 | 1.27% | $1.57B | — | — |
| 2026-08-24 | $43.47 | $44.64 | $42.56 | $43.28 | 677,200 | 26,151,761 | 1.95% | $1.50B | — | — |
| 2026-08-21 | $42.98 | $44.79 | $40.72 | $43.11 | 528,000 | 23,256,134 | 1.52% | $1.50B | — | — |
| 2026-08-20 | $45.50 | $45.99 | $41.78 | $41.90 | 478,200 | 26,151,761 | 1.38% | $1.46B | — | — |
| 2026-08-19 | $45.25 | $46.64 | $43.84 | $45.50 | 810,500 | 26,151,761 | 2.33% | $1.58B | — | — |
| 2026-08-18 | $43.76 | $45.71 | $43.11 | $43.88 | 724,700 | 26,151,761 | 2.09% | $1.52B | — | — |
| 2026-08-17 | $43.85 | $44.80 | $42.75 | $43.60 | 509,700 | 26,151,761 | 1.47% | $1.52B | — | — |
| 2026-08-14 | $43.46 | $45.35 | $42.41 | $44.04 | 446,200 | 26,151,761 | 1.28% | $1.53B | — | — |
| 2026-08-13 | $46.15 | $46.79 | $43.00 | $44.03 | 715,100 | — | 2.06% | $1.53B | — | — |
| 2026-08-12 | $46.54 | $48.35 | $46.00 | $46.13 | 407,000 | — | 1.17% | $1.60B | — | — |
| 2026-08-11 | $48.94 | $49.91 | $46.47 | $46.75 | 613,600 | — | 1.77% | $1.62B | — | — |
| 2026-08-10 | $45.71 | $48.49 | $44.90 | $47.92 | 708,800 | — | 2.04% | $1.67B | — | — |
| 2026-08-07 | $45.93 | $46.72 | $44.82 | $45.33 | 629,300 | — | 1.81% | $1.58B | — | — |
| 2026-08-06 | $47.25 | $47.98 | $44.95 | $45.31 | 443,700 | — | 1.28% | $1.57B | — | — |
| 2026-08-05 | $46.99 | $47.96 | $44.67 | $46.95 | 939,900 | — | 2.70% | $1.63B | — | — |
| 2026-08-04 | $46.21 | $49.58 | $45.74 | $46.01 | 690,000 | — | 1.99% | $1.60B | — | — |
| 2026-08-03 | $43.49 | $47.00 | $42.05 | $46.16 | 259,600 | — | 0.75% | $1.60B | — | — |
| 2026-07-31 | $47.70 | $47.70 | $43.53 | $44.04 | 869,700 | — | 2.50% | $1.53B | — | — |
| 2026-07-30 | $42.78 | $48.00 | $42.50 | $47.78 | 970,100 | — | 2.79% | $1.66B | — | — |
| 2026-07-29 | $41.11 | $43.81 | $40.60 | $41.87 | 582,200 | — | 1.68% | $1.45B | — | — |
| 2026-07-28 | $41.31 | $42.81 | $39.81 | $41.85 | 761,000 | — | 2.19% | $1.45B | — | — |
| 2026-07-27 | $43.37 | $46.45 | $39.60 | $42.03 | 2,592,000 | — | 7.46% | $1.46B | — | — |
| 2026-07-24 | $37.44 | $38.18 | $34.72 | $35.52 | 495,400 | — | 1.43% | $1.23B | — | — |
| 2026-07-23 | $37.75 | $38.96 | $36.44 | $37.64 | 400,100 | — | 1.15% | $1.31B | — | — |
| 2026-07-22 | $36.30 | $39.43 | $35.11 | $38.17 | 585,800 | — | 1.69% | $1.33B | — | — |
| 2026-07-21 | $37.53 | $42.90 | $37.08 | $37.37 | 1,070,800 | — | 3.08% | $1.30B | — | — |
| 2026-07-20 | $36.48 | $39.27 | $36.00 | $36.87 | 748,300 | — | 2.15% | $1.28B | — | — |
| 2026-07-17 | $35.82 | $39.67 | $34.76 | $36.52 | 696,100 | — | 2.00% | $1.27B | — | — |
| 2026-07-16 | $35.46 | $36.63 | $34.12 | $36.21 | 712,100 | — | 2.05% | $1.26B | — | — |
| 2026-07-15 | $34.50 | $36.92 | $33.53 | $36.13 | 486,900 | — | 1.40% | $1.26B | — | — |
| 2026-07-14 | $34.68 | $36.47 | $33.26 | $34.37 | 700,600 | — | 2.02% | $1.19B | — | — |
| 2026-07-13 | $35.66 | $36.01 | $33.48 | $35.01 | 1,245,000 | — | 3.58% | $1.22B | — | — |
| 2026-07-10 | $33.05 | $38.49 | $33.01 | $36.24 | 1,919,900 | — | 5.53% | $1.26B | — | — |
| 2026-07-09 | $21.00 | $33.70 | $20.93 | $32.40 | 4,512,600 | — | 12.99% | $1.13B | — | — |
| 2026-07-08 | $19.48 | $20.80 | $19.13 | $20.77 | 552,000 | — | 1.59% | $722M | — | — |
| 2026-07-07 | $20.45 | $20.95 | $18.70 | $19.78 | 566,800 | — | 1.63% | $687M | — | — |
| 2026-07-06 | $19.23 | $20.59 | $18.49 | $20.04 | 588,300 | — | 1.69% | $696M | — | — |
| 2026-07-02 | $18.60 | $19.46 | $18.19 | $19.30 | 559,100 | — | 1.61% | $671M | — | — |
| 2026-07-01 | $20.10 | $20.16 | $17.59 | $18.59 | 468,600 | — | 1.35% | $646M | — | — |
| 2026-06-30 | $17.02 | $20.22 | $17.02 | $20.12 | 883,300 | — | 2.54% | $699M | — | — |
| 2026-06-29 | $16.25 | $17.12 | $15.69 | $17.01 | 331,500 | — | 0.95% | $591M | — | — |
| 2026-06-26 | $16.30 | $16.91 | $15.71 | $16.03 | 1,731,900 | — | 4.98% | $557M | — | — |
| 2026-06-25 | $16.44 | $17.95 | $16.25 | $16.37 | 580,700 | — | 1.67% | $569M | — | — |
| 2026-06-24 | $17.76 | $18.66 | $16.57 | $16.69 | 480,900 | — | 1.38% | $580M | — | — |
| 2026-06-23 | $18.57 | $19.10 | $17.58 | $17.78 | 544,400 | — | 1.57% | $618M | — | — |
| 2026-06-22 | $17.52 | $18.45 | $17.23 | $18.32 | 524,600 | — | 1.51% | $637M | — | — |
| 2026-06-18 | $18.69 | $19.71 | $17.06 | $17.42 | 1,915,200 | — | 5.51% | $605M | — | — |
| 2026-06-17 | $17.17 | $18.54 | $17.09 | $18.17 | 734,400 | — | 2.11% | $631M | — | — |
| 2026-06-16 | $17.41 | $18.04 | $16.78 | $17.14 | 547,600 | — | 1.58% | $596M | — | — |
| 2026-06-15 | $18.00 | $18.89 | $17.41 | $17.88 | 484,300 | — | 1.39% | $621M | — | — |
| 2026-06-12 | $17.03 | $17.97 | $16.88 | $17.64 | 415,300 | — | 1.20% | $613M | — | — |
| 2026-06-11 | $16.14 | $17.59 | $15.97 | $17.03 | 550,000 | — | 1.58% | $592M | — | — |
| 2026-06-10 | $15.84 | $16.65 | $15.74 | $16.42 | 365,400 | — | 1.05% | $571M | — | — |
| 2026-06-09 | $16.18 | $16.18 | $15.42 | $15.97 | 391,000 | — | 1.13% | $555M | — | — |
| 2026-06-08 | $17.08 | $17.08 | $15.34 | $15.75 | 674,700 | — | 1.94% | $547M | — | — |
| 2026-06-05 | $18.00 | $18.42 | $16.55 | $16.60 | 868,800 | — | 2.50% | $577M | — | — |
| 2026-06-04 | $15.24 | $18.42 | $14.90 | $18.20 | 536,200 | — | 1.54% | $632M | — | — |
| 2026-06-03 | $15.78 | $16.41 | $14.72 | $15.32 | 554,900 | — | 1.60% | $532M | — | — |
| 2026-06-02 | $18.45 | $18.45 | $16.01 | $16.14 | 720,300 | — | 2.07% | $561M | — | — |
| 2026-06-01 | $15.85 | $18.47 | $15.10 | $18.09 | 854,700 | — | 2.46% | $629M | — | — |
| 2026-05-29 | $15.83 | $16.55 | $15.26 | $15.96 | 471,500 | — | 1.36% | $555M | — | — |
| 2026-05-28 | $16.03 | $16.53 | $15.64 | $15.82 | 298,200 | — | 0.86% | $550M | — | — |
| 2026-05-27 | $16.88 | $17.74 | $15.79 | $16.14 | 336,100 | — | 0.97% | $561M | — | — |
| 2026-05-26 | $17.20 | $17.80 | $16.21 | $17.06 | 290,800 | — | 0.84% | $593M | — | — |
| 2026-05-22 | $17.04 | $18.10 | $16.80 | $17.18 | 318,500 | — | 0.92% | $597M | — | — |
| 2026-05-21 | $15.85 | $17.11 | $15.46 | $16.76 | 307,300 | — | 0.88% | $582M | — | — |
| 2026-05-20 | $16.69 | $17.62 | $15.41 | $16.17 | 491,200 | — | 1.41% | $562M | — | — |
| 2026-05-19 | $17.54 | $18.15 | $16.46 | $16.66 | 509,000 | — | 1.46% | $579M | — | — |
| 2026-05-18 | $16.79 | $18.08 | $16.46 | $17.79 | 365,900 | — | 1.05% | $618M | — | — |
| 2026-05-15 | $17.97 | $18.71 | $16.76 | $16.90 | 196,100 | — | 0.56% | $587M | — | — |
| 2026-05-14 | $18.27 | $18.63 | $17.68 | $18.16 | 211,600 | — | 0.61% | $631M | — | — |
| 2026-05-13 | $17.48 | $19.14 | $17.41 | $18.43 | 301,900 | — | 0.87% | $640M | — | — |
| 2026-05-12 | $18.60 | $18.99 | $15.57 | $17.81 | 1,004,600 | — | 2.89% | $619M | — | — |
| 2026-05-11 | $19.42 | $20.41 | $18.09 | $18.76 | 345,500 | — | 0.99% | $652M | — | — |
| 2026-05-08 | $18.12 | $19.82 | $17.50 | $19.54 | 355,200 | — | 1.02% | $679M | — | — |
| 2026-05-07 | $20.10 | $20.49 | $17.75 | $17.82 | 542,500 | — | 1.56% | $619M | — | — |
| 2026-05-06 | $21.41 | $21.84 | $20.11 | $20.25 | 647,200 | — | 1.86% | $704M | — | — |
| 2026-05-05 | $20.59 | $22.20 | $20.00 | $21.19 | 342,600 | — | 0.99% | $736M | — | — |
| 2026-05-04 | $21.52 | $22.80 | $20.00 | $20.55 | 783,700 | — | 2.26% | $714M | — | — |
| 2026-05-01 | $23.29 | $25.11 | $20.00 | $22.38 | 594,100 | — | 1.71% | $778M | — | — |
| 2026-04-30 | $23.64 | $24.53 | $22.19 | $23.27 | 391,900 | — | 1.13% | $809M | — | — |
| 2026-04-29 | $19.82 | $25.58 | $19.65 | $23.64 | 714,100 | — | 2.06% | $821M | — | — |
| 2026-04-28 | $17.44 | $21.66 | $17.44 | $20.05 | 572,400 | — | 1.65% | $697M | — | — |
| 2026-04-27 | $17.78 | $19.00 | $17.70 | $18.10 | 425,100 | — | 1.22% | $629M | — | — |
| 2026-04-24 | $20.20 | $20.69 | $18.16 | $18.16 | 762,700 | — | 2.19% | $631M | — | — |
| 2026-04-23 | $18.99 | $19.84 | $17.69 | $19.00 | 520,000 | — | 1.50% | $660M | — | — |
| 2026-04-22 | $17.65 | $19.80 | $16.74 | $18.87 | 843,400 | — | 2.43% | $656M | — | — |
| 2026-04-21 | $18.05 | $21.65 | $16.59 | $17.00 | 1,031,900 | — | 2.97% | $591M | — | — |
| 2026-04-20 | $20.51 | $21.00 | $14.79 | $18.60 | 768,600 | — | 2.21% | $646M | — | — |
Close is split-adjusted to current shares. It is not dividend-adjusted: dividends are listed separately, so total return is (end price + dividends received − start price) ÷ start price, checkable by hand. Volume is as-traded.
Post Spin Analysis
Completed April 20, 2026. 1:1 ratio; launched with ~$180M cash.
Compiled from tracked data as of the July 31, 2026 close.
The move
First Tracks Biotherapeutics separated from AnaptysBio (ANAB) on April 20, 2026 as a classic spinoff, listing on Nasdaq. It closed its first regular-way session at $18.60 and set a post-spin low of $15.32 on Jun 3, 2026, 44 days after the spin. It last traded at $44.04 (Jul 31, 2026), +136.8% against the Day-1 close and +187.5% off the low.
What we graded it
Covered in a single report before separation. Current rating: SPECULATIVE.
⚠ Auto-generated profile — not editorially reviewed.
This summary is compiled automatically from our tracked report data. A reviewed in-depth profile is planned. For further detail ▸ read the May 31, 2026 report.