Skip to main content

StepStone Group LP

Position in PHAT — Phathom Pharmaceuticals, Inc.

CIK 1502287 La Jolla, CA

Position in PHAT

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$4,689,364
-$2,313,026 QoQ
Shares Held
422,085
0.0% QoQ
Ownership
0.529%
of shares outstanding
% of Portfolio
2.26%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PHAT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

StepStone Group LP holds $29,814,125 across 5 Biotechnology names. PHAT ranks #3 (15.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 PHAT
Phathom Pharmaceuticals, Inc.
This page
422,085 $4,689,364

All Filings in PHAT

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,689,364 422,085
2025-12-31 $7,002,390 422,085
2025-09-30 $4,967,940 422,085
2025-06-30 $4,047,795 422,085
2025-03-31 $2,646,472 422,085
2024-12-31 $3,427,330 422,085
2024-09-30 $7,631,296 422,085
2024-06-30 $4,347,475 422,085
2024-03-31 $4,482,542 422,085
2023-12-31 $3,853,636 422,085
2023-09-30 $4,377,021 422,085
2023-06-30 $6,044,257 422,085
2023-03-31 $3,013,686 422,085
2022-12-31 $4,735,793 422,085
2022-09-30 $4,676,701 422,085
2022-06-30 $3,562,397 422,085
2022-03-31 $5,744,576 422,085
2021-12-31 $8,302,411 422,085
2021-09-30 $13,548,928 422,085