Group One Trading
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Group One Trading’s Phathom Pharmaceuticals PHAT Stock Holding History

Group One Trading’s Portfolio PHAT Stock Details PHAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.69M Sell
155,600
-6,700
-4% -$76.4K ﹤0.01% 2385
2026
Q1 		$1.8M Buy
162,300
+157,400
+3,212% +$1.99M ﹤0.01% 2173
2025
Q4 		$81.3K Sell
4,900
-3,100
-39% -$44.3K ﹤0.01% 5170
2025
Q3 		$94.2K Sell
8,000
-140,200
-95% -$1.45M ﹤0.01% 5401
2025
Q2 		$1.42M Buy
148,200
+103,700
+233% +$574K ﹤0.01% 2442
2025
Q1 		$279K Buy
44,500
+39,500
+790% +$240K ﹤0.01% 3680
2024
Q4 		$40.6K Sell
5,000
-600
-11% -$7.43K ﹤0.01% 5207
2024
Q3 		$101K Buy
5,600
+1,500
+37% +$21K ﹤0.01% 4166
2024
Q2 		$42.2K Sell
4,100
-7,900
-66% -$81.4K ﹤0.01% 4638
2024
Q1 		$127K Buy
12,000
+3,800
+46% +$32.3K ﹤0.01% 3935
2023
Q4 		$74.9K Buy
8,200
+4,300
+110% +$37K ﹤0.01% 4716
2023
Q3 		$40.4K Sell
3,900
-172,200
-98% -$2.36M ﹤0.01% 5300
2023
Q2 		$2.52M Buy
176,100
+173,000
+5,581% +$1.99M 0.01% 1493
2023
Q1 		$22.1K Buy
+3,100
New +$27.2K ﹤0.01% 5432
2022
Q1 		– Sell
-100
Closed -$2K – 8518
2021
Q4 		$2K Buy
+100
New +$2.35K ﹤0.01% 7893

Other funds holding PHAT

FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
MVM
Medicxi Ventures Management St. Helier, Jersey $177M AUM 212.06% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
CG
Carlyle Group Washington, District of Columbia $10B AUM 10.61% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GKIM
GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return

Group One Trading's PHAT Position: Q2 2026 in Review

Group One Trading reduced its Phathom Pharmaceuticals (PHAT) stake by 18% in Q2 2026, selling an estimated $34.9K and leaving 13,881 shares worth $151K. The position accounts for ﹤0.01% of the portfolio, ranked #4522.

Group One Trading first reported a position in PHAT in Q4 2023 and has held it in 8 quarters since. The position peaked at $1.72M in Q4 2025. 161 funds tracked by Wall St. Rank hold PHAT as of Q2 2026.

  • Group One Trading held 13,881 shares of Phathom Pharmaceuticals worth $151K as of Q2 2026.
  • Group One Trading sold 3,058 Phathom Pharmaceuticals shares in Q2 2026, an estimated $34.9K.
  • Phathom Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4522 holding.
  • Group One Trading first reported a position in Phathom Pharmaceuticals in Q4 2023 and has held it in 8 quarters since.
  • Group One Trading's Phathom Pharmaceuticals position peaked at $1.72M in Q4 2025.
  • 161 funds tracked by Wall St. Rank held Phathom Pharmaceuticals as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.