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Ownership — SPTX
Institutional Holdings
Insider Transactions
US Institutional Ownership
69.9%
Institution
Shares
Value
Ownership %
Change
Filing Date
ARCH Venture Management, LLC
6.29M
$136.0M
11.76%
--
2026-06-30
General Atlantic, L.P.
6.10M
$132.0M
11.40%
--
2026-06-30
Sofinnova Investments, Inc.
3.56M
$77.0M
6.66%
--
2026-06-30
Goldman Sachs Group Inc
2.18M
$47.0M
4.07%
--
2026-06-30
Trv GP VI, LLC
2.06M
$44.0M
3.85%
--
2026-06-30
Canada Pension Plan Investment Board
1.98M
$42.0M
3.69%
--
2026-06-30
JPMorgan Chase & Co
1.82M
$40.0M
3.39%
--
2026-06-30
Foresite Capital Management VI LLC
1.78M
$38.0M
3.32%
--
2026-06-30
Price T Rowe Associates Inc
1.31M
$28.0M
2.44%
--
2026-06-30
FMR LLC
1.19M
$25.0M
2.21%
--
2026-06-30
Bellevue Group AG
1.10M
$23.0M
2.05%
--
2026-06-30
Siren, L.L.C.
1.10M
$23.0M
2.05%
--
2026-06-30
Jennison Associates LLC
1.08M
$23.0M
2.02%
--
2026-06-30
RA Capital Management, L.P.
700.0K
$15.0M
1.31%
--
2026-06-30
Vanguard Capital Management LLC
599.2K
$13.0M
1.12%
--
2026-06-30
Woodline Partners LP
586.3K
$12.0M
1.10%
--
2026-06-30
Perceptive Advisors LLC
500.0K
$10.0M
0.93%
--
2026-06-30
Braidwell LP
500.0K
$10.0M
0.93%
--
2026-06-30
Principal Financial Group Inc
414.7K
$9.0M
0.77%
--
2026-06-30
Aberdeen Group plc
310.4K
$6.0M
0.58%
--
2026-06-30
UBS Group AG
279.2K
$6.0M
0.52%
--
2026-06-30
BlackRock, Inc.
229.9K
$4.0M
0.43%
--
2026-06-30
Seven Grand Managers, LLC
225.0K
$4.0M
0.42%
--
2026-06-30
Citadel Advisors LLC
191.1K
$4.0M
0.36%
--
2026-06-30
Geode Capital Management, LLC
175.9K
$3.0M
0.33%
--
2026-06-30
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