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State Street increased XNCR position by 601,980 shares

Aug 11, 2026Last updated Aug 12, 2026

This StonkWhisper whale intelligence report documents significant institutional position changes in $XNCR based on SEC 13F filings and block-level trading data. Quarterly 13F disclosures are required for institutional investment managers with at least $100 million in qualifying assets under management. These filings reveal long positions in U.S. equities held as of quarter end. Material changes in institutional positioning — particularly from concentrated funds with a history of high-conviction bets — are tracked by StonkWhisper as leading indicators of institutional thesis formation or exit.

STATE STREET CORP AUM: $3371.2B INCREASED

AUM: $3371.2B · 4,177 holdings · Period: 2026-06-30

+601,980 Share Change

4,954,016 Current Shares

$79.8B Current Value

0.00% Portfolio %

+13.8% Change %

Position Change Detail

Issuer XENCOR INC

Ticker XNCR

Shares 4,352,036 → 4,954,016 +601,980

Value $52.5B → $79.8B

Portfolio Weight 0.00%

Change Type Increased

Period of Report 2026-06-30

Other State Street Positions This Period

Ticker	Issuer	Change Type	Share Change	Value
KLAC	KLA CORP	Increased	+56,739,491	$18975.4B
CTRA	COTERRA ENERGY INC	Exited	48,738,341	—
DVN	DEVON ENERGY CORP NEW	Increased	+34,615,088	$3023.8B
BKNG	BOOKING HOLDINGS INC	Increased	+33,617,907	$6245.3B
HON	HONEYWELL INTL INC	Exited	31,726,805	—
CVNA	CARVANA CO	Increased	+23,742,422	$1937.4B
DD	DUPONT DE NEMOURS INC	Exited	18,703,524	—
MRVL	MARVELL TECHNOLOGY INC	Increased	+18,495,866	$12462.0B
T	AT&T INC	Increased	+18,468,679	$6919.5B
NVDA	NVIDIA CORPORATION	Increased	+15,897,836	$202047.6B

Other Whales Moving XNCR This Period

Manager	Change Type	Share Change
Winton	Increased	+1,534

View all sentiment, news, and whale activity for XNCR (XENCOR INC).

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Data sourced from SEC 13F institutional holdings filings. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of institutional filings. 13F filings are reported quarterly and may lag actual positions.

Last updated: August 12, 2026 at 06:01 UTC