Calix (CALX)

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)	42.30 mm	42.30 mm	42.30 mm	42.30 mm	42.30 mm	42.30 mm
Cash burn (monthly)	287.33 k	3.84 mm	2.03 mm	3.92 mm	(no burn)	(no burn)
Cash used (since last report)	241.38 k	3.23 mm	1.70 mm	3.30 mm	n/a	n/a
Cash remaining	42.06 mm	39.07 mm	40.60 mm	39.00 mm	n/a	n/a
Runway (months of cash)	146.4	10.2	20.0	9.9	n/a	n/a

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Financial data from Calix earnings reports.

Institutional ownership, Q4 2024

CALX institutional ownership history Ownership history

87.7% owned by funds/institutions

13F holders	Current	Prev Q	Change
Total holders	253	243	+4.1%
Opened positions	46	27	+70.4%
Closed positions	36	40	-10.0%
Increased positions	92	103	-10.7%
Reduced positions	79	77	+2.6%

13F shares	Current	Prev Q	Change
Total value	1.93 tn	2.19 tn	-12.0%
Total shares	58.42 mm	59.32 mm	-1.5%
Total puts	1.26 mm	373.90 k	+237.6%
Total calls	196.60 k	231.10 k	-14.9%
Total put/call ratio	6.4	1.6	+296.8%

Largest owners	Shares	Value	Change
BlackRock	11.34 mm	$395.43 bn	+4.9%
Vanguard	7.98 mm	$278.18 bn	+5.5%
STT State Street	2.47 mm	$85.97 bn	+6.4%
Russo Carl	2.24 mm	$0.00	0.0%
Alliancebernstein	2.24 mm	$78.07 bn	-57.4%
Millennium Management	2.03 mm	$70.83 bn	+77.8%
Dimensional Fund Advisors	1.83 mm	$63.90 bn	+4.3%
TD Asset Management	1.39 mm	$48.58 bn	-11.5%
BK The Bank of New York Mellon Corporation	1.37 mm	$47.89 bn	+3.4%
Geode Capital Management	1.34 mm	$46.66 bn	+0.5%

Largest transactions	Shares	Bought/sold	Change
Alliancebernstein	2.24 mm	-3.02 mm	-57.4%
Paradigm Capital Management	0.00	-1.33 mm	EXIT
Millennium Management	2.03 mm	+889.10 k	+77.8%
IVZ Invesco	238.95 k	-536.16 k	-69.2%
BlackRock	11.34 mm	+530.26 k	+4.9%
Harvey Partners	425.00 k	+425.00 k	NEW
Vanguard	7.98 mm	+412.98 k	+5.5%
Balyasny Asset Management	436.04 k	+382.30 k	+711.5%
Jacobs Levy Equity Management	708.72 k	+364.21 k	+105.7%
Norges Bank	330.30 k	+330.30 k	NEW

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

CALX insider ownership history Insider history

Date	Owner	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
27 Feb 25	Russo Carl	Common Stock	Sell	Dispose S	Yes	No	38.15	25,000	953.75 k	2,164,188
14 Feb 25	Sindelar Cory	Common Stock	Grant	Acquire A	No	No	31.365	387	12.14 k	76,285
14 Feb 25	Weening Michael	Common Stock	Grant	Acquire A	No	No	31.365	349	10.95 k	15,812
31 Jan 25	John Matthew Collins	Stock Option Common Stock	Grant	Acquire A	No	No	39.68	195,000	7.74 mm	195,000
31 Jan 25	John Matthew Collins	Stock Option Common Stock	Grant	Acquire A	No	No	34.26	68,850	2.36 mm	68,850
31 Jan 25	John Matthew Collins	Stock Option Common Stock	Grant	Acquire A	No	No	34.26	107,775	3.69 mm	107,775
31 Jan 25	Shane Todd Marshall Eleniak	Stock Option Common Stock	Grant	Acquire A	No	No	39.68	195,000	7.74 mm	195,000
31 Jan 25	Shane Todd Marshall Eleniak	Stock Option Common Stock	Grant	Acquire A	No	No	34.26	68,850	2.36 mm	68,850
31 Jan 25	Shane Todd Marshall Eleniak	Stock Option Common Stock	Grant	Acquire A	No	No	34.26	107,775	3.69 mm	107,775