Skip to main content
Equibles

Rock Springs Capital Management LP

Position in SMMT — Summit Therapeutics Inc.

CIK 1595725 Baltimore, MD
Back to SMMT Full portfolio

Position in SMMT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$10,417,550
-$3,044,050 QoQ
Shares Held
715,000
+0.7% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
#30
of 242 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SMMT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Rock Springs Capital Management LP holds $1,502,002,537 across 70 Biotechnology names. SMMT ranks #39 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 RVMD
Revolution Medicines, Inc.
 1,105,210 $206,983,728
2 TVTX
Travere Therapeutics, Inc.
 2,179,069 $123,792,909
3 MDGL
Madrigal Pharmaceuticals, Inc.
 174,999 $93,965,713
4 MIRM
Mirum Pharmaceuticals, Inc.
 798,145 $93,438,835
5 RYTM
Rhythm Pharmaceuticals, Inc.
 692,598 $76,899,155
6 KYMR
Kymera Therapeutics, Inc.
 453,156 $51,963,398
7 ARGX
Argenx SE
 52,750 $48,939,867
8 ASND
Ascendis Pharma A/S
 168,750 $45,009,000

All Filings in SMMT

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,417,550 715,000
2026-03-31 $13,461,600 710,000
2025-12-31 $12,417,900 710,000
2025-09-30 $14,668,600 710,000
2025-06-30 $15,108,800 710,000
2025-03-31 $19,193,550 995,000
2024-12-31 $18,808,630 1,054,000
2024-09-30 $22,776,000 1,040,000