XML 34 R20.htm IDEA: XBRL DOCUMENT v3.22.0.1

Marketable Debt and Equity Securities (Tables)

12 Months Ended

Dec. 31, 2021

Marketable Debt and Equity Securities

Schedule of marketable securities

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2021

​

​

​

​

​

Gross

​

Gross

​

​

​

​

Amortized

Unrealized

​

Unrealized

​

​

​

Cost

​

Gains

​

Losses

​

Fair Value

(in thousands)

​

​

​

​

​

​

​

​

​

​

​

​

Money Market Funds

​

$

123,892

​

$

—

​

$

—

​

$

123,892

Corporate Securities

​

​

144,584

​

​

—

​

​

(166)

​

​

144,418

Government Securities

​

​

311,148

​

​

1

​

​

(1,335)

​

​

309,814

​

​

$

579,624

​

$

1

​

$

(1,501)

​

$

578,124

​

​

​

​

​

​

​

​

​

​

​

​

​

Reported as

​

​

​

​

​

​

​

​

​

​

​

​

Cash and cash equivalents

​

​

​

​

​

​

​

​

​

​

$

123,892

Marketable securities

​

​

​

​

​

​

​

​

​

​

​

454,232

Total investments

​

​

​

​

​

​

​

​

​

​

$

578,124

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2020

​

​

​

​

​

Gross

​

Gross

​

​

​

​

Amortized

Unrealized

​

Unrealized

​

​

​

Cost

​

Gains

​

Losses

​

Fair Value

(in thousands)

​

​

​

​

​

​

​

​

​

​

​

​

Money Market Funds

​

$

158,937

​

$

—

​

$

—

​

$

158,937

Corporate Securities

​

​

119,782

​

​

57

​

​

(6)

​

​

119,833

Government Securities

​

​

315,319

​

​

37

​

​

(3)

​

​

315,353

​

​

$

594,038

​

$

94

​

$

(9)

​

$

594,123

​

​

​

​

​

​

​

​

​

​

​

​

​

Reported as

​

​

​

​

​

​

​

​

​

​

​

​

Cash and cash equivalents

​

​

​

​

​

​

​

​

​

​

$

158,937

Marketable securities

​

​

​

​

​

​

​

​

​

​

​

435,186

Total investments

​

​

​

​

​

​

​

​

​

​

$

594,123

Schedule of maturities of marketable securities

​

​	​	​	​	​	​	​
​	​	Amortized			Estimated
​	​	Cost		​	Fair Value
(in thousands)	​	​	​	​	​	​
Mature in one year or less	​	$	153,871	​	$	153,767
Mature within two years	​	​	301,861	​	​	300,465
​	​	$	455,732	​	$	454,232

Schedule of unrealized losses on available-for-sale investments

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2021

​

​

Less than 12 months

​

12 months or greater

​

​

​

Fair value

​

​

Unrealized losses

​

​

Fair value

​

​

Unrealized losses

(in thousands)

​

​

​

​

​

​

​

​

​

​

​

​

Corporate Securities

​

$

50,337

​

$

(51)

​

$

45,872

​

$

(115)

Government Securities

​

​

39,909

​

​

(54)

​

​

254,593

​

​

(1,281)

​

​

$

90,246

​

$

(105)

​

$

300,465

​

$

(1,396)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 31, 2020

​

​

Less than 12 months

​

12 months or greater

​

​

​

Fair value

​

​

Unrealized losses

​

​

Fair value

​

​

Unrealized losses

(in thousands)

​

​

​

​

​

​

​

​

​

​

​

​

Corporate Securities

​

$

15,843

​

$

(6)

​

$

—

​

$

—

Government Securities

​

​

40,802

​

​

(3)

​

​

—

​

​

—

​

​

$

56,645

​

$

(9)

​

$

—

​

$

—

Schedule of equity securities with readily determinable fair value

The Company’s equity securities include securities with a readily determinable fair value. These investments are carried at fair value with changes in fair value recognized each period and reported within other income (expense). Equity securities with a readily determinable fair value and their fair values (in thousands) as of December 31, 2021 and 2020 are as follows:

​	​	​	​	​	​	​
​	​	Fair Value			Fair Value
​	​	December 31, 2021		​	December 31, 2020
Astria Common Stock	​	$	3,449	​	$	—
INmune Common Stock	​	​	19,233	​	​	—
Viridian Common Stock	​	​	14,178	​	​	5,303
​	​	$	36,860	​	$	5,303

Schedule of equity securities without readily determinable fair value

​	​	​	​	​	​	​
​	​	Carrying Value			Carrying Value
​	​	December 31, 2021		​	December 31, 2020
Astria Preferred Stock	​	$	312	​	$	—
Zenas Preferred Stock	​	​	30,950	​	​	16,071
​	​	$	31,262	​	$	16,071

Schedule of net gains and losses

​

​	​	​	​	​	​	​
​	​	Year Ended December 31,
​	​	2021		​	2020
​	​	​
Net gains recognized on equity securities	​	$	39,289	​	$	105
Less: net gains recognized on equity securities redeemed	​	​	18,301	​		801
Unrealized gain (losses) recognized on equity securities	​	$	20,988	​	$	(696)

X

- Definition

Tabular disclosure of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

+ Details

Name:	us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of realized and unrealized gain (loss) on investment in security.

+ References

No definition available.

+ Details

Name:	us-gaap_GainLossOnInvestmentsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

+ References

No definition available.

+ Details

Name:	us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563

+ Details

Name:	us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of equity securities with readily determinable fair value.

+ References

No definition available.

+ Details

Name:	xncr_EquitySecuritiesFvNiTableTextBlock
Namespace Prefix:	xncr_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration