Caption Management, LLC

Position in RGNX — REGENXBIO Inc.

CIK 1706766 OKLAHOMA CITY, OK

Back to RGNX Full portfolio

Position in RGNX

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

+$0 QoQ

Shares Held

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

18 quarters on record

Common Shares in RGNX Over Time

Shares Held

Position Value (USD)

Derivatives in RGNX

reported options exposure · as of Jun 30, 2026

CallValue

$1,198,000

CallShares

100,000

PutValue

PutShares

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 Biotechnology

Healthcare · as of Jun 30, 2026

Caption Management, LLC holds $249,760,911 across 78 Biotechnology names.

#	Ticker	Company	Shares	Value (USD)
1	CGON	CG Oncology, Inc.	484,461	$34,420,954
2	INSM	INSMED Inc	236,000	$25,162,320
3	ERAS	Erasca, Inc.	1,041,225	$19,075,242
4	CELC	Celcuity Inc.	170,000	$17,785,400
5	DSGN	Design Therapeutics, Inc.	1,118,098	$16,178,878
6	MLYS	Mineralys Therapeutics, Inc.	413,087	$11,145,087
7	REPL	Replimune Group, Inc.	783,873	$8,677,474
8	TARS	Tarsus Pharmaceuticals, Inc.	120,700	$7,596,858

All Filings in RGNX

Export CSV

43 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,198,000	100,000	+233.3%	Call	Sole	2026-08-14
2025-12-31	$432,000	30,000	0.0%	Put	Sole	2026-02-17
2025-12-31	$432,000	30,000	0.0%	Call	Sole	2026-02-17
2025-09-30	$39,786	4,123	+145.1%	Shares	Sole	2025-11-14
2025-09-30	$289,500	30,000	0.0%	Put	Sole	2025-11-14
2025-09-30	$289,500	30,000	0.0%	Call	Sole	2025-11-14
2025-06-30	$246,300	30,000	0.0%	Call	Sole	2025-08-14
2025-06-30	$246,300	30,000	0.0%	Put	Sole	2025-08-14
2025-03-31	$214,500	30,000	+93.5%	Put	Sole	2025-05-15
2025-03-31	$214,500	30,000	+93.5%	Call	Sole	2025-05-15
2024-06-30	$181,350	15,500	-22.5%	Call	Sole	2024-08-14
2024-06-30	$181,350	15,500	-22.5%	Put	Sole	2024-08-14
2024-03-31	$421,400	20,000	-55.6%	Put	Sole	2024-05-15
2024-03-31	$421,400	20,000	-55.6%	Call	Sole	2024-05-15
2023-12-31	$807,750	45,000	+66.7%	Put	Sole	2024-02-14
2023-12-31	$807,750	45,000	+66.7%	Call	Sole	2024-02-14
2023-12-31	$30,191	1,682	-71.0%	Shares	Sole	2024-02-14
2023-03-31	$109,753	5,804	0.0%	Shares	Sole	2023-05-15
2023-03-31	$510,570	27,000	0.0%	Put	Sole	2023-05-15
2023-03-31	$510,570	27,000	0.0%	Call	Sole	2023-05-15
2022-12-31	$612,360	27,000	-10.0%	Call	Sole	2023-02-14
2022-12-31	$131,634	5,804	-33.3%	Shares	Sole	2023-02-14
2022-12-31	$612,360	27,000	-10.0%	Put	Sole	2023-02-14
2022-09-30	$792,900	30,000	0.0%	Call	Sole	2022-11-14
2022-09-30	$792,900	30,000	0.0%	Put	Sole	2022-11-14
2022-06-30	$741,000	30,000	0.0%	Put	Sole	2022-08-15
2022-06-30	$214,890	8,700	+74.0%	Shares	Sole	2022-08-15
2022-06-30	$741,000	30,000	0.0%	Call	Sole	2022-08-15
2021-12-31	$981,000	30,000	-67.6%	Put	Sole	2022-02-11
2021-12-31	$981,000	30,000	0.0%	Call	Sole	2022-02-11
2021-09-30	$3,885,984	92,700	+209.0%	Put	Sole	2021-11-12
2021-09-30	$1,257,600	30,000	0.0%	Call	Sole	2021-11-12
2021-09-30	$209,600	5,000	+31150.0%	Shares	Sole	2021-11-12
2021-06-30	$1,165,500	30,000	+100.0%	Call	Sole	2021-08-16
2021-06-30	$1,165,500	30,000	+100.0%	Put	Sole	2021-08-16
2021-03-31	$545	16	-99.8%	Shares	Sole	2021-05-17
2021-03-31	$511,650	15,000	-50.0%	Put	Sole	2021-05-17
2021-03-31	$511,650	15,000	-50.0%	Call	Sole	2021-05-17
2020-12-31	$1,360,800	30,000	-33.3%	Put	Sole	2021-02-16
2020-12-31	$1,360,800	30,000	-33.3%	Call	Sole	2021-02-16
2020-09-30	$288,960	10,500	—	Shares	Sole	2020-11-16
2020-09-30	$1,238,400	45,000	—	Put	Sole	2020-11-16
2020-09-30	$1,238,400	45,000	—	Call	Sole	2020-11-16
No filing history on record for this holder in this stock.