Sofinnova Investments, Inc.

Position in RARE — Ultragenyx Pharmaceutical Inc.

CIK 1631134 Menlo Park, CA

Back to RARE Full portfolio

Position in RARE

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

Position Value

$57,347,491

-$8,558,862 QoQ

Shares Held

1,717,505

-45.4% QoQ

Ownership

1.74%

of shares outstanding

% of Portfolio

3.06%

of 13F equity value

Holder Rank

#14

of 310 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in RARE Over Time

Shares Held

Position Value (USD)

Derivatives in RARE

reported options exposure · as of Jun 30, 2026

CallValue

$16,695,000

CallShares

500,000

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

Sofinnova Investments, Inc. holds $1,182,454,857 across 43 Biotechnology names. RARE ranks #7 (4.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VERA	Vera Therapeutics, Inc.	2,793,987	$119,889,982
2	GMAB	Genmab A/S	4,045,215	$111,122,056
3	JAZZ	Jazz Pharmaceuticals plc	365,341	$88,036,220
4	RAPP	Rapport Therapeutics, Inc.	1,904,408	$79,356,681
5	SPTX	Seaport Therapeutics, Inc.	3,564,871	$77,428,998
6	AVBP	ArriVent BioPharma, Inc.	1,696,752	$58,945,164
7	RARE	Ultragenyx Pharmaceutical Inc. This page	1,717,505	$57,347,491
8	RYTM	Rhythm Pharmaceuticals, Inc.	408,027	$45,303,237

All Filings in RARE

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5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$16,695,000	500,000	+42.9%	Call	Sole	2026-08-14
2026-06-30	$57,347,491	1,717,505	-45.4%	Shares	Sole	2026-08-14
2026-03-31	$7,332,500	350,000	—	Call	Sole	2026-05-15
2026-03-31	$65,906,353	3,145,888	+3676.6%	Shares	Sole	2026-05-15
2025-12-31	$1,915,900	83,300	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.