PHATHOM PHARMACEUTICALS INC

Ticker: PHAT CUSIP: 71722W107 Class: Common Stock

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,306,678 Value ($000) $22 Avg Close $14.28 Range $10.33 - $18.31
Q3 2025
Shares 1,144,330 Value ($000) $13 Avg Close $10.32 Range $7.61 - $13.00
Q2 2025
Shares 1,048,472 Value ($000) $10 Avg Close $5.53 Range $2.21 - $12.32
Q1 2025
Shares 1,104,308 Value ($000) $7 Avg Close $6.07 Range $4.07 - $8.34
Q4 2024
Shares 1,102,805 Value ($000) $9 Avg Close $12.38 Range $7.03 - $19.50
Q3 2024
Shares 1,126,083 Value ($000) $20 Avg Close $13.98 Range $9.82 - $19.71
Q2 2024
Shares 600,443 Value ($000) $6 Avg Close $10.30 Range $8.74 - $12.75
Q1 2024
Shares 568,026 Value ($000) $6 Avg Close $8.49 Range $6.07 - $11.43
Q4 2023
Shares 561,490 Value ($000) $5 Avg Close $8.62 Range $6.83 - $10.85
Q3 2023
Shares 577,450 Value ($000) $6 Avg Close $13.72 Range $10.01 - $17.02
Q2 2023
Shares 592,388 Value ($000) $8 Avg Close $11.53 Range $7.00 - $14.99
Q1 2023
Shares 598,848 Value ($000) $4 Avg Close $8.78 Range $5.84 - $13.44
Q4 2022
Shares 594,157 Value ($000) $7 Avg Close $10.31 Range $9.03 - $11.73
Q3 2022
Shares 593,159 Value ($000) $6,572 Avg Close $9.53 Range $6.25 - $12.81
Q2 2022
Shares 493,450 Value ($000) $4,165 Avg Close $10.28 Range $6.09 - $16.07
Q1 2022
Shares 479,642 Value ($000) $6,528 Avg Close $16.15 Range $11.33 - $20.30
Q4 2021
Shares 383,552 Value ($000) $7,544 Avg Close $23.53 Range $17.41 - $34.36
Q3 2021
Shares 224,923 Value ($000) $7,220 Avg Close $33.23 Range $29.79 - $37.17
Q2 2021
Shares 229,418 Value ($000) $7,766 Avg Close $35.81 Range $31.30 - $42.00
Q1 2021
Shares 199,518 Value ($000) $7,494 Avg Close $41.84 Range $32.49 - $50.78