Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO

Published 02 Oct 2026, 15:49 UTC. Updated 02 Oct 2026, 16:03 UTC.

Looking today at week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, one standout is the State Street SPDR S&P Biotech ETF (Symbol: XBI) where we have detected an approximate $320.6 million dollar outflow -- that's a 3.1% decrease we

Directly affected

STT State Street
Named in this report.

Indirectly affected

ASND ASCENDIS PHARMA A/S
GA selected ASND as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
ATYR ATYR PHARMA INC COM NEW
GA selected ATYR as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
BBIO BRIDGEBIO PHARMA INC
GA selected BBIO as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
DVA DaVita HealthCare Partners, Inc.
GA selected DVA as a RELATED security because its canonical security name directly matches this event's themes: healthcare. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
GEHC GE HEALTHCARE TECHNOLOGIES I
GA selected GEHC as a RELATED security because its canonical security name directly matches this event's themes: healthcare. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
ACHC ACADIA HEALTHCARE COMPANY INC
GA selected ACHC as a RELATED security because its canonical security name directly matches this event's themes: healthcare. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.

Price reaction, T-5 to T+3

Ticker	T-5	T-3	T-1	T0	T+1	T+2	T+3
STT	—	—	—	—	—	—	—
ASND	—	—	—	—	—	—	—
ATYR	—	—	—	—	—	—	—
BBIO	—	—	—	—	—	—	—
DVA	—	—	—	—	—	—	—
GEHC	—	—	—	—	—	—	—
ACHC	—	—	—	—	—	—	—

Looking today at week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, one standout is the State Street SPDR S&P Biotech ETF (Symbol: XBI) where we have detected an approximate $320.6 million dollar o…

Source: Nasdaq Markets

Price since this story was published: Ascendis Pharma A/S (ASND)

Since the first closing price after “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO,” Ascendis Pharma A/S (ASND) is +0.78%. The S&P 500 fund (SPY) is -1.08% over the same days, a +1.86% difference versus the market.

ASND

SPY

Disclosure records for Ascendis Pharma A/S (ASND) within two months of 2 Oct 2026

Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).

Who gains and who loses around Ascendis Pharma A/S (ASND)

Companies tied to this story

ASND Ascendis Pharma A/S
For “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO,” Ascendis Pharma A/S (ASND) is linked, with no stored direction, medium confidence. Reason on file: GA selected ASND as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
ATYR aTYR PHARMA
In “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO,” aTYR PHARMA (ATYR) is linked, with no stored direction, medium confidence. Reason on file: GA selected ATYR as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
BBIO BridgeBio Pharma
In “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO,” BridgeBio Pharma (BBIO) is linked, with no stored direction, medium confidence. Reason on file: GA selected BBIO as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
DVA Davita
In “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO,” Davita (DVA) is linked, with no stored direction, medium confidence. Reason on file: GA selected DVA as a RELATED security because its canonical security name directly matches this event's themes: healthcare. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
GEHC GE HealthCare Technologies
GE HealthCare Technologies (GEHC) is linked, with no stored direction, medium confidence in the 2 Oct 2026 story “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO.” Reason on file: GA selected GEHC as a RELATED security because its canonical security name directly matches this event's themes: healthcare. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
ACHC Acadia Healthcare
In “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO,” Acadia Healthcare (ACHC) is linked, with no stored direction, medium confidence. Reason on file: GA selected ACHC as a RELATED security because its canonical security name directly matches this event's themes: healthcare. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

How “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO” reaches Ascendis Pharma A/S (ASND)

On 2 Oct 2026, “Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO” is the story that connects Ascendis Pharma A/S (ASND) to this story.

What ties Ascendis Pharma A/S (ASND) to the headline is this: GA selected ASND as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

A second company, aTYR PHARMA (ATYR), is listed for a different reason: GA selected ATYR as a RELATED security because its canonical security name directly matches this event's themes: pharma. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article

Price levels for Ascendis Pharma A/S (ASND)

ASND traded between 219.69 and 240.84 across 20 sessions. The latest close on file is 229.99. ATYR traded between 0.17 and 0.41 across 20 sessions. The latest close on file is 0.17. BBIO traded between 62.95 and 69.80 across 20 sessions. The latest close on file is 67.94.

How strong the case is around Ascendis Pharma A/S (ASND)

46 out of 100

“Notable ETF Outflow Detected - XBI, TWST, BIIB, HALO” scores 46 out of 100. The score uses 1 sources, and 6 linked companies.