Ticker · CUSIP 59935V107

MIST

MILESTONE PHARMACEUTICALS IN

···Share

Holders (tracked)

Combined shares

3,046,683

Combined value

$6.15M

Last close

$2.10

Quarter

2025Q4

Price is +4.0% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$2.10+1.21 (+136.22%)H $2.95 · L $0.89 · Avg Vol 2.5M

Position opened

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

7 events

Ken Griffin (Citadel Advisors) trimmed2026-02-17
−158,835 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+847,910 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+1,076 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+482,355 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) opened position2025-11-14
+401,559 shares · 2025Q3
Position
Two Sigma Investments opened position2025-11-14
+666,551 shares · 2025Q3
Position
AQR Capital Management opened position2025-11-14
+10,000 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for MIST →

Follow-the-investor returns

If you'd copied each holder of MIST…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Izzy Englander (Millennium Mgmt)	2019Q2	$1.97	+6.4%	$846K
AQR Capital Management	2025Q3	$2.00	+5.0%	$21K
Ken Griffin (Citadel Advisors)	2020Q4	$2.02	+4.1%	$499K
Ken Griffin (Citadel Advisors)	2020Q4	$2.02	+4.1%	$499K
Ken Griffin (Citadel Advisors)	2020Q4	$2.02	+4.1%	$499K
Two Sigma Investments	2020Q3	$2.07	+1.3%	$3.2M
Steve Cohen (Point72)	2022Q4	$2.95	-28.9%	$1.0M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Steve Cohen (Point72)
+482,355
$974K

Added to2

Two Sigma Investments
+847,910
$1.7M
Izzy Englander (Millennium Mgmt)
+1,076
$2K

Trimmed1

Ken Griffin (Citadel Advisors)
−158,835
$321K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	1	1,288,923	$8.3M	—
2022Q2	3	1,429,562	$8.5M	+2
2022Q3	7	2,086,681	$19.2M	+4
2022Q4	8	5,867,711	$23.2M	+1
2023Q1	8	6,098,180	$24.0M	—
2023Q2	8	5,271,929	$15.0M	—
2023Q3	5	4,777,538	$14.8M	-3
2023Q4	6	5,240,943	$8.8M	+1
2024Q1	5	10,106,160	$18.1M	-1
2024Q2	4	9,884,518	$13.1M	-1
2024Q3	3	4,840,247	$7.4M	-1
2024Q4	4	3,347,661	$7.9M	+1
2025Q1	3	368,482	$295K	-1
2025Q2	2	43,900	$85K	-1
2025Q3	6	1,669,777	$3.3M	+4
2025Q4	7	3,046,683	$6.2M	+1

Who owns MIST

7 super-investors · 2025Q4

Tracked stake

3.05M

Combined value

$6M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added2Trim3Held1

#	Manager	Shares	Value	% of book	Last action
1	Two Sigma Investments	1.51M	$3M	0.0%	Added+847.9K
2	Steve Cohen Point72	482.4K	$974K	0.0%	New+482.4K
3	Izzy Englander Millennium Mgmt	402.6K	$813K	0.0%	Added+1.1K
4	Ken Griffin Citadel Advisors	353.2K	$714K	0.0%	Trim−158.8K
5	Ken Griffin Citadel Advisors	237.8K	$480K	0.0%	Trim−158.8K
6	Ken Griffin Citadel Advisors	46.2K	$93K	0.0%	Trim−158.8K
7	AQR Capital Management	10.0K	$20K	0.0%	Held

Recent moves

20 transactions

TRIMKen Griffin (Citadel Advisors)
−158,835 · 2025Q4
NEWSteve Cohen (Point72)
+482,355 · 2025Q4
ADDTwo Sigma Investments
+847,910 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+1,076 · 2025Q4
NEWIzzy Englander (Millennium Mgmt)
+401,559 · 2025Q3
NEWTwo Sigma Investments
+666,551 · 2025Q3
NEWAQR Capital Management
+10,000 · 2025Q3
SOLDIzzy Englander (Millennium Mgmt)
−322,082 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−2,381,177 · 2025Q1
TRIMIzzy Englander (Millennium Mgmt)
−75,266 · 2024Q4
ADDIzzy Englander (Millennium Mgmt)
+28,595 · 2024Q3
TRIMIzzy Englander (Millennium Mgmt)
−105,682 · 2024Q2
ADDIzzy Englander (Millennium Mgmt)
+1,361,123 · 2024Q1
ADDBlackRock
+1,700,595 · 2024Q1
TRIMIzzy Englander (Millennium Mgmt)
−200,802 · 2023Q4
ADDBlackRock
+490,009 · 2023Q4
TRIMIzzy Englander (Millennium Mgmt)
−55,877 · 2023Q3
SOLDSteve Cohen (Point72)
−232,659 · 2023Q3
SOLDTwo Sigma Investments
−52,186 · 2023Q3
SOLDRenaissance Technologies
−108,766 · 2023Q3

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