SEC 13F Intelligence

Rtw Investments, LP / PTGX

Rtw Investments, LP’s Protagonist Therapeutics Inc Position

Does Rtw Investments, LP own Protagonist Therapeutics Inc (PTGX)? Yes — 5.06M shares worth $533M (+5.31% of its 13F portfolio) as of Q1 2026.

Position Value
$533M
Q1 2026
Shares
5.06M
% of Portfolio
+5.31%
Quarters Held
27
currently held

Position History PTGX

Reported value by quarter
Q3 ’19: $9MQ3 ’19Q4 ’19: $17MQ1 ’20: $19MQ2 ’20: $60MQ3 ’20: $67MQ3 ’20Q4 ’20: $74MQ1 ’21: $91MQ2 ’21: $157MQ3 ’21: $31MQ3 ’21Q4 ’21: $89MQ1 ’22: $114MQ2 ’22: $38MQ3 ’22: $35MQ3 ’22Q4 ’22: $39MQ1 ’23: $106MQ2 ’23: $150MQ3 ’23: $90MQ3 ’23Q4 ’23: $122MQ1 ’24: $154MQ2 ’24: $183MQ3 ’24: $244MQ3 ’24Q4 ’24: $212MQ1 ’25: $277MQ2 ’25: $318MQ3 ’25: $382MQ3 ’25Q4 ’25: $442MQ1 ’26: $533Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20265.06M$533M+5.31%
Q4 20255.06M$442M+4.43%
Q3 20255.76M$382M+4.71%
Q2 20255.76M$318M+4.53%
Q1 20255.72M$277M+4.23%
Q4 20245.50M$212M+3.21%
Q3 20245.43M$244M+3.53%
Q2 20245.29M$183M+2.84%
Q1 20245.32M$154M+2.27%
Q4 20235.32M$122M+1.90%
Q3 20235.42M$90M+1.91%
Q2 20235.42M$150M+2.85%
Q1 20234.60M$106M+2.20%
Q4 20223.59M$39M+0.80%
Q3 20224.18M$35M+0.81%
Q2 20224.79M$38M+0.98%
Q1 20224.79M$114M+2.35%
Q4 20212.60M$89M+1.30%
Q3 20211.75M$31M+0.47%
Q2 20213.51M$157M+2.38%
Q1 20213.51M$91M+1.42%
Q4 20203.65M$74M+1.23%
Q3 20203.41M$67M+1.60%
Q2 20203.38M$60M+1.68%
Q1 20202.66M$19M+0.81%
Q4 20192.46M$17M+0.65%
Q3 2019762.3K$9M+0.54%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Rtw Investments, LP’s full portfolio or all institutional holders of PTGX.