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RHUMBLINE ADVISERS

Position in PHAT — Phathom Pharmaceuticals, Inc.

CIK 1115418 BOSTON, MA

Position in PHAT

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$615,927
-$248,295 QoQ
Shares Held
55,439
+6.4% QoQ
Ownership
0.070%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 17% Shared 0% None 83%

Common Shares in PHAT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,238,289,073 across 287 Biotechnology names. PHAT ranks #143 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PHAT

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $615,927 55,439
2025-12-31 $864,222 52,093
2025-09-30 $726,362 61,713
2025-06-30 $619,101 64,557
2025-03-31 $355,753 56,739
2024-12-31 $454,460 55,968
2024-09-30 $919,512 50,858
2024-06-30 $568,333 55,178
2024-03-31 $500,233 47,103
2023-12-31 $442,823 48,502
2023-09-30 $586,288 56,537
2023-06-30 $718,935 50,205
2023-03-31 $233,913 32,761
2022-12-31 $344,813 30,732
2022-09-30 $320,511 28,927
2022-06-30 $224,917 26,649
2022-03-31 $271,764 19,968
2021-12-31 $338,461 17,207
2021-09-30 $560,273 17,454
2021-06-30 $556,426 16,438
2021-03-31 $427,808 11,390
2020-12-31 $405,284 12,200
2020-09-30 $400,436 10,920
2020-06-30 $420,918 12,790
2020-03-31 $294,941 11,423