JANE STREET GROUP, LLC

Position in EFX — Equifax Inc

CIK 1595888 NEW YORK, NY

Back to EFX Full portfolio

Position in EFX

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$83,609,381

+$83,016,593 QoQ

Shares Held

464,316

+16895.5% QoQ

Ownership

0.395%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in EFX Over Time

Shares Held

Position Value (USD)

Derivatives in EFX

reported options exposure · as of Mar 31, 2026

CallValue

$3,259,267

CallShares

18,100

PutValue

$846,329

PutShares

4,700

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Consulting Services

Industrials · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $136,447,624 across 10 Consulting Services names. EFX ranks #1 (61.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EFX	Equifax Inc This page	464,316	$83,609,381
2	CRAI	Cra International, Inc.	144,434	$23,380,975
3	HURN	Huron Consulting Group Inc.	147,760	$18,837,921
4	ICFI	ICF International, Inc.	121,507	$7,933,191
5	VRSK	Verisk Analytics, Inc.	4,741	$899,604
6	BAH	Booz Allen Hamilton Holding Corp	10,387	$810,496
7	FORR	Forrester Research, Inc.	86,342	$488,695
8	FCN	Fti Consulting, Inc	1,166	$206,113

All Filings in EFX

Export CSV

50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$846,329	4,700	-99.0%	Put	Defined	2026-05-12
2026-03-31	$83,609,381	464,316	+2465.3%	Shares	Defined	2026-05-12
2026-03-31	$3,259,267	18,100	+562.5%	Call	Defined	2026-05-12
2025-12-31	$592,788	2,732	-83.8%	Shares	Defined	2026-02-12
2025-12-31	$3,666,962	16,900	+33.1%	Call	Defined	2026-02-12
2025-12-31	$2,755,646	12,700	-51.5%	Put	Defined	2026-02-12
2025-09-30	$6,721,086	26,200	+219.5%	Call	Defined	2025-11-14
2025-09-30	$2,103,546	8,200	+310.4%	Put	Defined	2025-11-14
2025-09-30	$512,546	1,998	-93.0%	Shares	Defined	2025-11-14
2025-06-30	$7,368,182	28,408	+82.1%	Shares	Defined	2025-08-14
2025-06-30	$4,046,172	15,600	+35.7%	Call	Defined	2025-08-14
2025-06-30	$2,982,755	11,500	+23.7%	Put	Defined	2025-08-14
2025-03-31	$2,265,108	9,300	+331.0%	Put	Defined	2025-05-19
2025-03-31	$525,602	2,158	-97.0%	Shares	Defined	2025-05-19
2025-03-31	$17,585,032	72,200	+290.3%	Call	Defined	2025-05-19
2024-12-31	$4,714,725	18,500	+699.1%	Put	Defined	2025-02-14
2024-12-31	$589,977	2,315	-96.4%	Shares	Defined	2025-02-14
2024-12-31	$16,335,885	64,100	+148.4%	Call	Defined	2025-02-14
2024-09-30	$7,581,588	25,800	+27.7%	Call	Defined	2024-11-15
2024-09-30	$5,935,972	20,200	-90.5%	Put	Defined	2024-11-15
2024-09-30	$62,753,508	213,549	+287.6%	Shares	Defined	2024-11-15
2024-06-30	$13,359,303	55,099	+181.7%	Shares	Defined	2024-08-15
2024-03-31	$5,232,690	19,560	-14.9%	Shares	Defined	2024-05-16
2023-12-31	$5,684,949	22,989	-49.1%	Shares	Defined	2024-02-15
2023-09-30	$8,275,704	45,178	+100.9%	Shares	Defined	2023-11-15
2023-06-30	$5,292,366	22,492	+31.3%	Shares	Defined	2023-08-14
2023-03-31	$3,475,257	17,133	-11.1%	Shares	Defined	2023-05-16
2022-12-31	$3,745,898	19,273	-42.7%	Shares	Defined	2023-02-15
2022-09-30	$5,767,590	33,644	+105.4%	Shares	Defined	2022-11-15
2022-06-30	$2,994,301	16,382	-94.9%	Shares	Defined	2022-08-16
2022-03-31	$75,634,900	319,000	+21454.1%	Call	Defined	2022-05-17
2022-03-31	$350,908	1,480	-96.2%	Shares	Defined	2022-05-17
2022-03-31	$9,175,770	38,700	-53.1%	Put	Defined	2022-05-17
2021-12-31	$24,144,048	82,462	-55.5%	Shares	Defined	2022-02-15
2021-12-31	$54,253,987	185,300	+545.6%	Call	Defined	2022-02-15
2021-12-31	$8,403,073	28,700	-80.1%	Put	Defined	2022-02-15
2021-09-30	$36,505,657	144,052	+351.6%	Shares	Defined	2021-11-16
2021-09-30	$8,084,098	31,900	+138.1%	Put	Defined	2021-11-16
2021-09-30	$3,395,828	13,400	-39.3%	Call	Defined	2021-11-16
2021-06-30	$5,285,746	22,069	-60.4%	Shares	Defined	2021-08-16
2021-06-30	$13,340,707	55,700	+98.2%	Call	Defined	2021-08-16
2021-06-30	$6,730,231	28,100	-1.1%	Put	Defined	2021-08-16
2021-03-31	$5,144,092	28,400	+165.6%	Put	Defined	2021-05-18
2021-03-31	$1,937,003	10,694	-41.2%	Shares	Defined	2021-05-18
2021-03-31	$3,296,566	18,200	+65.5%	Call	Defined	2021-05-18
2020-12-31	$2,121,240	11,000	-48.6%	Call	Defined	2021-02-17
2020-12-31	$4,126,776	21,400	-28.1%	Put	Defined	2021-02-17
2020-12-31	$5,741,231	29,772	+103.9%	Shares	Defined	2021-02-17
2020-09-30	$2,290,740	14,600	-64.0%	Call	Defined	2020-11-17
2020-09-30	$6,354,450	40,500	—	Put	Defined	2020-11-17
No filing history on record for this holder in this stock.