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Equibles

WELLINGTON MANAGEMENT GROUP LLP

Position in PHAT — Phathom Pharmaceuticals, Inc.

CIK 902219 Boston, MA
Back to PHAT Full portfolio

Position in PHAT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,435,280
+$193,717 QoQ
Shares Held
132,284
+18.4% QoQ
Ownership
0.164%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#53
of 161 holders
Holding Since
Jun 2023
12 quarters on record
Voting authority Sole 0% Shared 69% None 31%

Common Shares in PHAT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $15,052,705,482 across 207 Biotechnology names. PHAT ranks #137 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 VRTX
Vertex Pharmaceuticals Inc / Ma
 3,247,658 $1,613,209,155
2 ARGX
Argenx SE
 930,548 $863,334,513
3 REGN
Regeneron Pharmaceuticals, Inc.
 1,270,087 $791,950,042
4 RVMD
Revolution Medicines, Inc.
 3,843,415 $719,794,757
5 ALNY
Alnylam Pharmaceuticals, Inc.
 2,110,407 $635,295,816
6 IONS
Ionis Pharmaceuticals Inc
 7,651,415 $606,680,693
7 CYTK
Cytokinetics Inc
 6,931,770 $590,517,483
8 MDGL
Madrigal Pharmaceuticals, Inc.
 825,714 $443,367,129

All Filings in PHAT

Export CSV
12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,435,280 132,284
2026-03-31 $1,241,563 111,752
2025-12-31 $2,232,117 134,546
2025-09-30 $1,723,820 146,459
2025-03-31 $1,258,325 200,690
2024-12-31 $1,104,279 135,995
2024-09-30 $3,134,764 173,383
2024-06-30 $2,334,401 226,641
2024-03-31 $2,372,400 223,390
2023-12-31 $1,409,589 154,391
2023-09-30 $1,035,029 99,810
2023-06-30 $1,403,545 98,013