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SION logo SION — SIONNA THERAPEUTICS INC

CUSIP: 829401108 · Held by 3 superinvestors · Combined value: $177,468,251

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Quarterly Activity Chart Adds vs. Reduces by Quarter
Green bars = share additions · Red bars = share reductions
Superinvestor Holders
# Investor % of Portfolio Value ($) Shares Recent Activity Share Change
1 Andreas Halvorsen 0.3% $131,449,746 3,195,181 - -
2 Ken Griffin 0.0% $44,732,551 1,087,325 ADD +1,051,402
3 Polen Capital 0.0% $1,285,954 31,258 - -
Quarterly Activity History (2 quarters)
Investor Activity Share Change % Change
Ken Griffin ADD +1,051,402 +2926.8%
Jim Simons SOLD -14,600 Exit
Investor Activity Share Change % Change
Polen Capital ADD +14,283 +84.1%
Jim Simons REDUCE -11,400 -43.8%
Ken Griffin REDUCE -93,989 -72.3%

Who Owns SION? Superinvestor Holdings

SIONNA THERAPEUTICS INC is held by 3 tracked superinvestors, with a combined position value of $177 million . The largest positions are held by Andreas Halvorsen (0.3% of portfolio), Ken Griffin (0.0% of portfolio), Polen Capital (0.0% of portfolio).

In the most recent quarter, 1 superinvestor added or initiated positions.