Ticker · CUSIP 00534A102

IVVD

ADAGIO THERAPEUTICS INC
Healthcare·Biotechnology
···Share
Holders (tracked)
8
Combined shares
40,657,707
Combined value
$100.42M
Last close
$1.74
Quarter
2025Q4
Price · 1Y$1.74+1.23 (+241.18%)H $2.88 · L $0.51 · Avg Vol 4.7M
Position opened
$0.50$1.00$1.50$2.00$2.50$3.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
882024Q12025Q4
Price is -29.6% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

11 events
  1. Ken Griffin (Citadel Advisors) opened position2026-02-17
    +331,083 shares · 2025Q4
    Position
  2. Two Sigma Investments added2026-02-17
    +1,856,900 shares · 2025Q4
    Position
  3. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −160,160 shares · 2025Q4
    Position
  4. Steve Cohen (Point72) trimmed2026-02-17
    −3,649,064 shares · 2025Q4
    Position
  5. AQR Capital Management exited2026-02-17
    −39,409 shares · 2025Q4
    Position
  6. Renaissance Technologies opened position2026-02-12
    +1,026,620 shares · 2025Q4
    Position
  7. AQR Capital Management trimmed2025-11-14
    −384,118 shares · 2025Q3
    Position
  8. Izzy Englander (Millennium Mgmt) added2025-11-14
    +197,522 shares · 2025Q3
    Position
  9. Steve Cohen (Point72) opened position2025-11-14
    +20,302,100 shares · 2025Q3
    Position
  10. Two Sigma Investments added2025-11-14
    +96,308 shares · 2025Q3
    Position
  11. Lee Ainslie (Maverick Capital) added2025-11-14
    +8,741,795 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for IVVD →
Follow-the-investor returns
If you'd copied each holder of IVVD…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Izzy Englander (Millennium Mgmt)2021Q3$0.85+105.5%$2.2M
Steve Cohen (Point72)2023Q2$1.10+58.2%$29.0M
Lee Ainslie (Maverick Capital)2023Q1$2.09-16.7%$33.0M
Ken Griffin (Citadel Advisors)2021Q4$2.20-20.9%$259K
Ken Griffin (Citadel Advisors)2021Q4$2.20-20.9%$259K
Ken Griffin (Citadel Advisors)2021Q4$2.20-20.9%$259K
Renaissance Technologies2022Q4$2.25-22.7%$1.8M
Two Sigma Investments2021Q3$2.40-27.6%$3.8M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Added to1
Trimmed2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
6
$21.0M
2022Q2
6
$14.2M
2022Q3
6
$14.5M
2022Q4
7
$8.5M
2023Q1
8
$8.7M
2023Q2
8
$5.9M
2023Q3
5
$12.8M
2023Q4
7
$42.7M
2024Q1
8
$63.6M
2024Q2
11
$20.8M
2024Q3
9
$13.8M
2024Q4
10
$5.8M
2025Q1
8
$7.6M
2025Q2
4
$8.7M
2025Q3
7
$45.4M
2025Q4
8
$100.4M

Who owns IVVD

8 super-investors · 2025Q4
Tracked stake
40.66M
shares
Combined value
$100M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added1Trim2Held1
#ManagerSharesValue
1Lee Ainslie
Maverick Capital
18.97M$47M
2Steve Cohen
Point72
16.65M$41M
3Two Sigma Investments2.19M$5M
4Izzy Englander
Millennium Mgmt
1.29M$3M
5Renaissance Technologies1.03M$3M
6Ken Griffin
Citadel Advisors
331.1K$818K
7Ken Griffin
Citadel Advisors
148.7K$367K
8Ken Griffin
Citadel Advisors
49.0K$121K

Recent moves

20 transactions
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