STRS Ohio

SEC CIK: 0000820478
Latest filing: Jul 30, 2026

SEC filings (opens in a new tab)

SION holding history

Sionna Therapeutics, Inc. in every 13F filed by STRS Ohio, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SION overview All 13F holders of SION Full Q2 2026 holdings

Shares (Q2 2026): 3,500
Value: $154.0K
% of portfolio: <0.1%
Quarters held: 3; Since Q2 2025

Holdings of SION by STRS Ohio, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	3,500	$154.0K	<0.1%	+600+20.7%	Added	Holders
Q1 2026	2,900	$116.3K	<0.1%	+2,900	New	Holders
Q3 2025	0	$0	0.0%	−2,300−100.0%	Sold out	Holders
Q2 2025	2,300	$39.9K	<0.1%	+2,300	New	Holders