CITIGROUP INC

Position in SPRO — Spero Therapeutics, Inc.

CIK 831001 NEW YORK, NY

Position in SPRO

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$21,271

-$23,504 QoQ

Shares Held

9,625

-49.7% QoQ

Ownership

0.017%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#47

of 59 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

CITIGROUP INC holds $2,085,225,397 across 384 Biotechnology names. SPRO ranks #315 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	706,968	$351,172,214
2	REGN	Regeneron Pharmaceuticals, Inc.	346,637	$216,142,034
3	MRNA	Moderna, Inc.	2,165,414	$151,643,941
4	ROIV	Roivant Sciences Ltd.	2,225,190	$78,749,472
5	ALNY	Alnylam Pharmaceuticals, Inc.	227,786	$68,570,419
6	INCY	Incyte Corp	586,431	$66,477,817
7	BBIO	BridgeBio Pharma, Inc.	864,101	$64,358,241
8	RVMD	Revolution Medicines, Inc.	247,052	$46,267,897

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$21,271	9,625	-49.7%	Shares	Defined	2026-08-03
2026-03-31	$44,775	19,135	+112458.8%	Shares	Defined	2026-05-11
2025-12-31	$39	17	-96.6%	Shares	Defined	2026-02-13
2022-09-30	$990	495	-96.6%	Shares	Defined	2022-11-10
2022-06-30	$10,641	14,362	+808.4%	Shares	Defined	2022-08-10
2022-03-31	$13,754	1,581	-95.2%	Shares	Defined	2022-05-12
2021-12-31	$526,793	32,904	+104.6%	Shares	Defined	2022-02-10
2021-09-30	$296,124	16,085	-59.1%	Shares	Defined	2021-11-10
2021-06-30	$549,046	39,330	-54.2%	Shares	Defined	2021-08-10
2021-03-31	$1,265,154	85,948	+1584.3%	Shares	Defined	2021-05-13
2020-12-31	$98,947	5,103	+215.0%	Shares	Defined	2021-02-11
2020-09-30	$18,079	1,620	-45.6%	Shares	Defined	2020-11-12
2020-06-30	$40,265	2,976	-26.4%	Shares	Defined	2020-08-12
2020-03-31	$32,659	4,042	—	Shares	Defined	2020-05-12
No filing history on record for this holder in this stock.