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Equibles

Rock Springs Capital Management LP

Position in JSPR — Jasper Therapeutics, Inc.

CIK 1595725 Baltimore, MD
Back to JSPR Full portfolio

Position in JSPR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$463,405
-$500,830 QoQ
Shares Held
1,100,726
0.0% QoQ
Ownership
3.31%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#5
of 44 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in JSPR 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. JSPR ranks #69 (0.0% 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 JSPR

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $463,405 1,100,726
2026-03-31 $964,235 1,100,726
2025-12-31 $2,014,328 1,100,726
2025-09-30 $2,619,727 1,100,726
2025-06-30 $3,025,699 545,171
2025-03-31 $2,344,235 545,171
2024-12-31 $9,900,821 463,088
2024-09-30 $8,635,445 459,088
2024-06-30 $9,178,404 404,335
2024-03-31 $11,871,275 404,335