Alliancebernstein L.P. Protagonist Therapeutics, Inc Transaction History

Alliancebernstein L.P.

$300 Billion
Q3 2025

A detailed history of Alliancebernstein L.P. transactions in Protagonist Therapeutics, Inc stock. As of the latest transaction made, Alliancebernstein L.P. holds 260,854 shares of PTGX stock, worth $22.1 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

260,854

Previous 67,900 284.17%

Holding current value

$22.1 Million

Previous $3.75 Million 361.83%

% of portfolio

0.01%

Previous 0.0%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$49.7 - $67.42 $9.59 Million - $13 Million	192,954 Added 284.17%	260,854 $17.3 Million
Q1 2025 May 15, 2025	SELL	$35.09 - $59.76 $11,404 - $19,422	-325 Reduced 0.48%	67,900 $3.28 Million
Q4 2024 Feb 12, 2025	SELL	$38.51 - $48.43 $527,355 - $663,200	-13,694 Reduced 16.72%	68,225 $2.63 Million
Q3 2024 Nov 14, 2024	SELL	$33.72 - $47.33 $446,790 - $627,122	-13,250 Reduced 13.92%	81,919 $3.68 Million
Q2 2024 Aug 14, 2024	BUY	$24.66 - $34.8 $240,903 - $339,961	9,769 Added 11.44%	95,169 $3.3 Million

Q4 2023 Feb 14, 2024	SELL	$14.05 - $23.44 $26,301 - $43,879	-1,872 Reduced 2.15%	85,400 $1.96 Million
Q3 2023 Nov 14, 2023	BUY	$16.68 - $23.66 $117,960 - $167,323	7,072 Added 8.82%	87,272 $1.46 Million
Q2 2023 Aug 15, 2023	BUY	$18.02 - $29.36 $468,520 - $763,360	26,000 Added 47.97%	80,200 $2.22 Million
Q4 2022 Feb 14, 2023	BUY	$7.36 - $11.17 $104,512 - $158,614	14,200 Added 35.5%	54,200 $591,000
Q3 2022 Nov 15, 2022	SELL	$7.86 - $11.71 $47,160 - $70,260	-6,000 Reduced 13.04%	40,000 $337,000
Q2 2022 Aug 15, 2022	SELL	$7.06 - $25.52 $568,068 - $2.05 Million	-80,463 Reduced 63.63%	46,000 $364,000
Q1 2022 May 13, 2022	BUY	$23.34 - $36.08 $1.88 Million - $2.91 Million	80,563 Added 175.52%	126,463 $3 Million
Q2 2021 Jul 30, 2021	BUY	$25.57 - $44.88 $391,221 - $686,664	15,300 Added 50.0%	45,900 $2.06 Million
Q1 2021 May 06, 2021	BUY	$19.02 - $31.15 $49,452 - $80,990	2,600 Added 9.29%	30,600 $793,000
Q2 2020 Aug 13, 2020	BUY	$6.19 - $18.84 $73,661 - $224,196	11,900 Added 73.91%	28,000 $494,000
Q1 2020 May 14, 2020	BUY	$5.4 - $9.22 $18,900 - $32,270	3,500 Added 27.78%	16,100 $114,000
Q3 2019 Nov 14, 2019	BUY	$9.41 - $16.56 $118,566 - $208,655	12,600 New	12,600 $151,000

Others Institutions Holding PTGX

# of Institutions

294

Shares Held

66.9M

Call Options Held

139K

Put Options Held

40.7K

View Full List

About Protagonist Therapeutics, Inc

Ticker PTGX
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 49,084,100
Market Cap $4.15B
Description
Protagonist Therapeutics, Inc., a biopharmaceutical company, discovers and develops peptide-based therapeutic drugs to address hematology and blood disorders, and inflammatory and immunomodulatory diseases. It is developing rusfertide (PTG-300), an injectable hepcidin mimetic that is in Phase II clinical trials for the treatment of patients with...

More about PTGX

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Alliancebernstein L.P., based on Form 13F filings with the SEC.

News

Stay updated on Alliancebernstein L.P. with notifications on news.

Account

Alliancebernstein L.P. Protagonist Therapeutics, Inc Transaction History