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argenx
ARGX

329 hedge funds and large institutions have $13.4B invested in argenx in 2024 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 126 increasing their positions, 117 reducing their positions, and 60 closing their positions.

New
Increased
Maintained
Reduced
Closed

5% more capital invested

Capital invested by funds: $12.7B → $13.4B (+$676M)

8% more repeat investments, than reductions

Existing positions increased: 126 | Existing positions reduced: 117

0.78% more ownership

Funds ownership: 56.53% → 57.31% (+0.78%)

5% less funds holding

Funds holding: 345 → 329 (-16)

9% less funds holding in top 10

Funds holding in top 10: 22 → 20 (-2)

14% less call options, than puts

Call options by funds: $90.7M | Put options by funds: $105M

25% less first-time investments, than exits

New positions opened: 45 | Existing positions closed: 60

Holders
329
Holders Change
-16
Holders Change %
-4.64%
% of All Funds
4.74%
Holding in Top 10
20
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-9.09%
% of All Funds
0.29%
New
45
Increased
126
Reduced
117
Closed
60
Calls
$90.7M
Puts
$105M
Net Calls
-$14.2M
Net Calls Change
-$122M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$709M
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$362M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$170M
4
ClearBridge Investments
ClearBridge Investments
New York
+$61.8M
5
Bank of America
Bank of America
North Carolina
+$52.3M

Top Sellers

1
Morgan Stanley
Morgan Stanley
New York
-$237M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$210M
3
EC
EcoR1 Capital
California
-$115M
4
Millennium Management
Millennium Management
New York
-$83.6M
5
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$64.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$2.17B +$709M +1,830,651 +50%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$1.29B -$210M -542,350 -14%
Artisan Partners
3
Artisan Partners
Wisconsin
$1.26B +$5.86M +15,123 +0.5%
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$873M +$170M +439,889 +25%
T. Rowe Price Investment Management
5
T. Rowe Price Investment Management
Maryland
$833M +$362M +933,365 +79%
Capital World Investors
6
Capital World Investors
California
$734M -$37.4M -96,606 -5%
ACA
7
Avoro Capital Advisors
New York
$488M +$1.51M +3,900 +0.3%
BlackRock
8
BlackRock
New York
$412M +$21.4M +55,252 +6%
BG
9
Bellevue Group
Switzerland
$319M -$22.5M -58,192 -7%
Morgan Stanley
10
Morgan Stanley
New York
$273M -$237M -611,894 -47%
RI
11
RTW Investments
New York
$263M – – –
ClearBridge Investments
12
ClearBridge Investments
New York
$235M +$61.8M +159,480 +37%
PBA
13
Paradigm Biocapital Advisors
New York
$217M +$50.2M +129,543 +31%
Holocene Advisors
14
Holocene Advisors
New York
$192M -$15.5M -39,898 -8%
Massachusetts Financial Services
15
Massachusetts Financial Services
Massachusetts
$168M -$64.4M -166,119 -28%
Invesco
16
Invesco
Georgia
$165M -$6.62M -17,078 -4%
SEI Investments
17
SEI Investments
Pennsylvania
$130M -$368K -950 -0.3%
Pictet Asset Management
18
Pictet Asset Management
Switzerland
$130M +$6.18M +15,947 +5%
DTC
19
Deep Track Capital
Connecticut
$118M – – –
Wellington Management Group
20
Wellington Management Group
Massachusetts
$109M -$1.16M -2,996 -1%
Bank of America
21
Bank of America
North Carolina
$108M +$52.3M +134,905 +97%
Federated Hermes
22
Federated Hermes
Pennsylvania
$106M -$34.1M -88,073 -25%
BAMCO Inc
23
BAMCO Inc
New York
$105M -$8.02M -20,705 -7%
AC
24
Armistice Capital
New York
$104M -$20.9M -54,000 -17%
American Century Companies
25
American Century Companies
Missouri
$101M +$38.8M +100,145 +64%
1
2 3 4 5

ARGX Hedge Fund Activity: Q1 2024 in Review

329 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in argenx (ARGX) for Q1 2024, worth a combined $13.4B — up 5.3% from $12.7B a quarter earlier.

Sellers outnumbered buyers: 60 funds closed out of ARGX and 45 opened new positions — a net loss of 15 holders — while 117 trimmed existing stakes and 126 added.

The largest buyer was T. Rowe Price Associates, adding an estimated $709M. The largest seller was Morgan Stanley, cutting an estimated $237M.

  • 329 institutional investors held argenx (ARGX) as of Q1 2024, down from 345 in Q4 2023.
  • Funds reported $13.4B of argenx stock for Q1 2024, up 5.3% quarter-over-quarter.
  • 45 funds opened new argenx positions in Q1 2024 and 60 closed out, a net change of -15 holders.
  • The largest argenx buyer in Q1 2024 was T. Rowe Price Associates, an estimated $709M added.
  • The largest argenx seller in Q1 2024 was Morgan Stanley, an estimated $237M sold.

Based on aggregated 13F filings for Q1 2024.