Marinus Pharmaceuticals (MRNS)

Cash burn rate (est.)	Burn method: Change in cash		Burn method: Operating income		Burn method: FCF (opex + capex)
	Last Q	Avg 4Q	Last Q	Avg 4Q	Last Q	Avg 4Q
Cash on hand (at last report)	42.18 mm	42.18 mm	42.18 mm	42.18 mm	42.18 mm	42.18 mm
Cash burn (monthly)	7.50 mm	8.19 mm	8.07 mm	11.71 mm	6.48 mm	9.56 mm
Cash used (since last report)	38.09 mm	41.60 mm	41.03 mm	59.49 mm	32.95 mm	48.59 mm
Cash remaining	4.09 mm	581.45 k	1.15 mm	-17.30 mm	9.24 mm	-6.40 mm
Runway (months of cash)	0.5	0.1	0.1	-1.5	1.4	-0.7

Beta Read what these cash burn values mean

Financial data from company earnings reports.

Institutional ownership, Q3 2024

MRNS institutional ownership history Ownership history

88.6% owned by funds/institutions

13F holders	Current	Prev Q	Change
Total holders	79	91	-13.2%
Opened positions	14	30	-53.3%
Closed positions	26	58	-55.2%
Increased positions	20	24	-16.7%
Reduced positions	27	28	-3.6%

13F shares	Current	Prev Q	Change
Total value	69.90 bn	49.35 bn	+41.7%
Total shares	48.94 mm	50.82 mm	-3.7%
Total puts	75.50 k	71.80 k	+5.2%
Total calls	172.90 k	347.40 k	-50.2%
Total put/call ratio	0.4	0.2	+111.3%

Largest owners	Shares	Value	Change
Suvretta Capital Management	5.07 mm	$8.93 bn	+32.8%
BEN Franklin Resources	4.71 mm	$8.48 bn	+34.9%
Tang Capital Management	4.70 mm	$8.27 bn	-2.1%
Tang Capital Partners	4.50 mm	$5.40 mm	0.0%
Sofinnova Investments	4.39 mm	$7.72 bn	+5.7%
Vanguard	2.80 mm	$4.93 bn	0.0%
Bain Capital Life Sciences Investors	2.69 mm	$4.74 bn	+18.8%
Standard Life Aberdeen	2.66 mm	$4.68 bn	+146.1%
Bleichroeder	1.87 mm	$3.30 bn	0.0%
BlackRock	1.86 mm	$3.27 bn	NEW

Largest transactions	Shares	Bought/sold	Change
Woodline Partners	1.26 mm	-2.72 mm	-68.2%
BLK BlackRock	0.00	-1.87 mm	EXIT
BlackRock	1.86 mm	+1.86 mm	NEW
Standard Life Aberdeen	2.66 mm	+1.58 mm	+146.1%
Jennison Associates	0.00	-1.47 mm	EXIT
Lion Point Capital	693.78 k	-1.42 mm	-67.2%
Suvretta Capital Management	5.07 mm	+1.25 mm	+32.8%
BEN Franklin Resources	4.71 mm	+1.22 mm	+34.9%
Gsa Capital Partners	1.02 mm	+817.05 k	+409.4%
GS The Goldman Sachs Group, Inc.	40.08 k	-542.02 k	-93.1%

Data from 13F filings, for the last complete 13F reporting period. For most recent data, click the ownership history button. Values as filed, not updated for current price. Long positions only.

Recent insider trades

MRNS insider ownership history Insider history

Date	Owner	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value
11 Feb 25	Silverstein Christine Berni	Common Stock	Sale back to company	Dispose D	No	No	0.55	4,702	2.59 k
11 Feb 25	Silverstein Christine Berni	Stock Option Common Stock	Sale back to company	Dispose D	No	No	5.94	32,400	192.46 k
11 Feb 25	Silverstein Christine Berni	Stock Option Common Stock	Sale back to company	Dispose D	No	No	9.74	20,900	203.57 k
11 Feb 25	Silverstein Christine Berni	Stock Option Common Stock	Sale back to company	Dispose D	No	No	1.4	10,450	14.63 k
11 Feb 25	Steven Pfanstiel	Common Stock	Sale back to company	Dispose D	No	No	0.55	62,470	34.36 k
11 Feb 25	Steven Pfanstiel	Stock Option Common Stock	Sale back to company	Dispose D	No	No	13.99	220,000	3.08 mm
11 Feb 25	Steven Pfanstiel	Stock Option Common Stock	Sale back to company	Dispose D	No	No	10.4	74,475	774.54 k
11 Feb 25	Steven Pfanstiel	Stock Option Common Stock	Sale back to company	Dispose D	No	No	5.94	126,585	751.91 k
11 Feb 25	Steven Pfanstiel	Stock Option Common Stock	Sale back to company	Dispose D	No	No	9.74	114,600	1.12 mm
11 Feb 25	Steven Pfanstiel	Stock Option Common Stock	Sale back to company	Dispose D	No	No	1.4	57,300	80.22 k