ALLIANCEBERNSTEIN L.P.

Position in PHAT — Phathom Pharmaceuticals, Inc.

CIK 1109448 NASHVILLE, TN

Position in PHAT

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$548,722

-$270,658 QoQ

Shares Held

49,390

0.0% QoQ

Ownership

0.062%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $5,114,145,938 across 211 Biotechnology names. PHAT ranks #146 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	3,910,786	$1,746,322,380
2	REGN	Regeneron Pharmaceuticals, Inc.	426,914	$329,850,832
3	ARGX	Argenx SE	422,304	$308,387,496
4	GMAB	Genmab A/S	9,557,149	$256,418,307
5	BBIO	BridgeBio Pharma, Inc.	1,908,907	$141,755,433
6	TECH	BIO-TECHNE Corp	2,213,197	$115,661,675
7	INSM	INSMED Inc	688,734	$112,621,783
8	HALO	Halozyme Therapeutics, Inc.	1,736,501	$112,230,059

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$548,722	49,390	0.0%	Shares	Defined	2026-05-15
2025-12-31	$819,380	49,390	+8.3%	Shares	Defined	2026-02-17
2025-09-30	$536,594	45,590	-9.9%	Shares	Defined	2025-11-14
2025-06-30	$485,158	50,590	+11.0%	Shares	Defined	2025-08-14
2025-03-31	$285,849	45,590	0.0%	Shares	Defined	2025-05-15
2024-12-31	$370,190	45,590	-9.0%	Shares	Defined	2025-02-12
2024-09-30	$905,988	50,110	0.0%	Shares	Defined	2024-11-14
2024-06-30	$516,133	50,110	+55.2%	Shares	Defined	2024-08-14
2024-03-31	$342,919	32,290	-14.4%	Shares	Defined	2024-05-14
2023-12-31	$344,201	37,700	0.0%	Shares	Defined	2024-02-14
2023-09-30	$390,949	37,700	0.0%	Shares	Defined	2023-11-14
2023-06-30	$539,864	37,700	+38.1%	Shares	Defined	2023-08-15
2023-03-31	$194,922	27,300	+21.3%	Shares	Defined	2023-05-15
2022-12-31	$252,450	22,500	+42.4%	Shares	Defined	2023-02-15
2022-09-30	$175,064	15,800	+8.2%	Shares	Defined	2022-11-15
2022-06-30	$123,224	14,600	+24.8%	Shares	Defined	2022-08-15
2022-03-31	$159,237	11,700	-9.3%	Shares	Defined	2022-05-13
2021-12-31	$253,743	12,900	+17.3%	Shares	Defined	2022-02-14
2021-09-30	$353,100	11,000	-10.6%	Shares	Defined	2021-11-10
2021-06-30	$416,355	12,300	+17.1%	Shares	Defined	2021-07-30
2021-03-31	$394,380	10,500	-7.9%	Shares	Defined	2021-05-06
2020-12-31	$378,708	11,400	-5.8%	Shares	Defined	2021-02-08
2020-09-30	$443,707	12,100	-13.6%	Shares	Defined	2020-11-12
2020-06-30	$460,740	14,000	—	Shares	Defined	2020-08-13
No filing history on record for this holder in this stock.