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Dark Forest Capital Management’s Phathom Pharmaceuticals PHAT Stock Holding History

Dark Forest Capital Management’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
Q1 		$194K Sell
17,460
-44,788
-72% -$566K 0.02% 743
2025
Q4 		$1.03M Buy
+62,248
New +$889K 0.05% 637
2025
Q1 		– Sell
-32,029
Closed -$260K – 1388
2024
Q4 		$260K Buy
+32,029
New +$397K 0.04% 719

Other funds holding PHAT

FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
MVM
Medicxi Ventures Management St. Helier, Jersey $982M AUM 210.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
CG
Carlyle Group Washington, District of Columbia $10.6B AUM 11.25% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
Ensign Peak Advisors
Ensign Peak Advisors Salt Lake City, Utah $53.7B AUM 29.47% 1-Year Est. Return

Dark Forest Capital Management's PHAT Position: Q1 2026 in Review

Dark Forest Capital Management reduced its Phathom Pharmaceuticals (PHAT) stake by 72% in Q1 2026, selling an estimated $566K and leaving 17,460 shares worth $194K. The position accounts for 0.02% of the portfolio, ranked #743.

Dark Forest Capital Management first reported a position in PHAT in Q4 2024 and has held it in 3 quarters since. The position peaked at $1.03M in Q4 2025. 174 funds tracked by Wall St. Rank hold PHAT as of Q1 2026.

  • Dark Forest Capital Management held 17,460 shares of Phathom Pharmaceuticals worth $194K as of Q1 2026.
  • Dark Forest Capital Management sold 44,788 Phathom Pharmaceuticals shares in Q1 2026, an estimated $566K.
  • Phathom Pharmaceuticals made up 0.02% of Dark Forest Capital Management's portfolio in Q1 2026, its #743 holding.
  • Dark Forest Capital Management first reported a position in Phathom Pharmaceuticals in Q4 2024 and has held it in 3 quarters since.
  • Dark Forest Capital Management's Phathom Pharmaceuticals position peaked at $1.03M in Q4 2025.
  • 174 funds tracked by Wall St. Rank held Phathom Pharmaceuticals as of Q1 2026.

Based on Dark Forest Capital Management's 13F filing for Q1 2026, filed 15 May 2026.