SEI Investments
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SEI Investments’s Protagonist Therapeutics PTGX Stock Holding History

SEI Investments’s Portfolio PTGX Stock Details PTGX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.77M Buy
83,197
+45,851
+123% +$4.06M 0.01% 1208
2025
Q4 		$3.26M Sell
37,346
-6,665
-15% -$546K ﹤0.01% 1602
2025
Q3 		$2.92M Sell
44,011
-921
-2% -$52.3K ﹤0.01% 1539
2025
Q2 		$2.48M Buy
44,932
+7,404
+20% +$355K ﹤0.01% 1563
2025
Q1 		$1.81M Buy
37,528
+12,960
+53% +$543K ﹤0.01% 1676
2024
Q4 		$948K Sell
24,568
-10,510
-30% -$458K ﹤0.01% 1967
2024
Q3 		$1.58M Sell
35,078
-6,685
-16% -$270K ﹤0.01% 1784
2024
Q2 		$1.45M Buy
41,763
+5
+0% +$146 ﹤0.01% 1770
2024
Q1 		$1.21M Buy
41,758
+4,529
+12% +$123K ﹤0.01% 1809
2023
Q4 		$854K Sell
37,229
-2,987
-7% -$52.3K ﹤0.01% 1927
2023
Q3 		$671K Sell
40,216
-31,800
-44% -$617K ﹤0.01% 2011
2023
Q2 		$1.99M Buy
72,016
+36,377
+102% +$910K ﹤0.01% 1634
2023
Q1 		$820K Sell
35,639
-306
-0.9% -$5.14K ﹤0.01% 1951
2022
Q4 		$392K Sell
35,945
-617
-2% -$5.21K ﹤0.01% 2117
2022
Q3 		$308K Sell
36,562
-84,443
-70% -$799K ﹤0.01% 2292
2022
Q2 		$957K Sell
121,005
-9,713
-7% -$117K ﹤0.01% 1851
2022
Q1 		$3.1M Sell
130,718
-1,595
-1% -$44.9K 0.01% 1353
2021
Q4 		$4.53M Buy
132,313
+86,138
+187% +$2.72M 0.01% 1187
2021
Q3 		$818K Sell
46,175
-60,359
-57% -$2.57M ﹤0.01% 1867
2021
Q2 		$4.78M Buy
106,534
+19,654
+23% +$649K 0.01% 1103
2021
Q1 		$2.25M Buy
+86,880
New +$2.2M 0.01% 1400

Other funds holding PTGX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
JJ
Johnson & Johnson New Brunswick, New Jersey $652M AUM 198.07% 1-Year Est. Return

SEI Investments's PTGX Position: Q1 2026 in Review

SEI Investments increased its Protagonist Therapeutics (PTGX) stake by 123% in Q1 2026, buying an estimated $4.06M and bringing the position to 83,197 shares worth $8.77M. The position accounts for 0.01% of the portfolio, ranked #1208.

SEI Investments first reported a position in PTGX in Q1 2021 and has held it in 21 quarters since. 317 funds tracked by Wall St. Rank hold PTGX as of Q1 2026.

  • SEI Investments held 83,197 shares of Protagonist Therapeutics worth $8.77M as of Q1 2026.
  • SEI Investments bought 45,851 Protagonist Therapeutics shares in Q1 2026, an estimated $4.06M.
  • Protagonist Therapeutics made up 0.01% of SEI Investments's portfolio in Q1 2026, its #1208 holding.
  • SEI Investments first reported a position in Protagonist Therapeutics in Q1 2021 and has held it in 21 quarters since.
  • 317 funds tracked by Wall St. Rank held Protagonist Therapeutics as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.