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AC Immune
ACIU

51 hedge funds and large institutions have $139M invested in AC Immune in 2021 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 11 increasing their positions, 18 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

44% more first-time investments, than exits

New positions opened: 13 | Existing positions closed: 9

35% more capital invested

Capital invested by funds: $102M → $139M (+$36.1M)

9% more funds holding

Funds holding: 47 → 51 (+4)

2.52% less ownership

Funds ownership: 27.56% → 25.04% (-2.5%)

16% less call options, than puts

Call options by funds: $1.85M | Put options by funds: $2.19M

39% less repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 18

Holders
51
Holders Change
+4
Holders Change %
+8.51%
% of All Funds
0.9%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
11
Reduced
18
Closed
9
Calls
$1.85M
Puts
$2.19M
Net Calls
-$343K
Net Calls Change
-$792K

Top Buyers

Rank Fund Capital Flow
1
EC
EcoR1 Capital
California
+$8.84M
2
Millennium Management
Millennium Management
New York
+$1.65M
3
CLOS
Compagnie Lombard Odier SCmA
Switzerland
+$1.49M
4
IC
Ikarian Capital
Texas
+$855K
5
CAM
Connacht Asset Management
New York
+$314K

Top Sellers

Rank Fund Capital Flow
1
BI
BVF Inc
California
-$16.5M
2
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$2.76M
3
Renaissance Technologies
Renaissance Technologies
New York
-$1.09M
4
Verition Fund Management
Verition Fund Management
Connecticut
-$988K
5
TCM
Tekla Capital Management
Massachusetts
-$888K
Name Holding Trade Value Shares
Change 		Change in
Stake
State Street
26
State Street
Massachusetts
$215K – – –
SC
27
Saturna Capital
Washington
$199K +$186K +26,100 New
Balyasny Asset Management
28
Balyasny Asset Management
Illinois
$198K +$186K +26,058 New
DekaBank Deutsche Girozentrale
29
DekaBank Deutsche Girozentrale
Germany
$196K – – –
Royal Bank of Canada
30
Royal Bank of Canada
Ontario, Canada
$195K +$176K +24,673 +2,711%
AC
31
Athanor Capital
New York
$161K -$520K -72,865 -78%
Allianz Asset Management
32
Allianz Asset Management
Germany
$157K +$147K +20,610 New
Squarepoint
33
Squarepoint
New York
$144K -$216K -30,303 -62%
Two Sigma Advisers
34
Two Sigma Advisers
New York
$114K +$107K +14,944 New
D.E. Shaw & Co
35
D.E. Shaw & Co
New York
$112K +$27.2K +3,804 +35%
Fidelity Investments
36
Fidelity Investments
Massachusetts
$107K -$29 -4 -0%
BFM
37
Boothbay Fund Management
New York
$102K +$95.8K +13,418 New
ECM
38
ExodusPoint Capital Management
New York
$101K +$94.4K +13,226 New
LBC
39
Lawrence B. Cohen
$98K – – –
Dimensional Fund Advisors
40
Dimensional Fund Advisors
Texas
$97K – – –
Simplex Trading
41
Simplex Trading
Illinois
$58K +$54.5K +7,630 New
TRCT
42
Tower Research Capital (TRC)
New York
$38K -$11.7K -1,637 -25%
PCM
43
Penserra Capital Management
California
$12K -$143 -20 -1%
Citigroup
44
Citigroup
New York
$10K -$5.62K -787 -36%
Osaic Holdings
45
Osaic Holdings
Arizona
$8K +$7.14K +1,000 New
SPIA
46
Steward Partners Investment Advisory
New York
$7.61K +$7.14K +1,000 New
UBS Group
47
UBS Group
Switzerland
$6K -$22.8K -3,197 -79%
Bank of America
48
Bank of America
North Carolina
$4K +$4.53K +634 New
Barclays
49
Barclays
United Kingdom
$3K +$2.04K +286 +270%
Daiwa Securities Group
50
Daiwa Securities Group
Japan
$1K – – –
1
2
3

ACIU Hedge Fund Activity: Q1 2021 in Review

51 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in AC Immune (ACIU) for Q1 2021, worth a combined $139M — up 35% from $102M a quarter earlier.

Buyers outnumbered sellers: 13 funds opened new ACIU positions and 9 closed out — a net gain of 4 holders — while 11 added to existing stakes and 18 trimmed.

The largest buyer was EcoR1 Capital, adding an estimated $8.84M. The largest seller was BVF Inc, cutting an estimated $16.5M.

  • 51 institutional investors held AC Immune (ACIU) as of Q1 2021, up from 47 in Q4 2020.
  • Funds reported $139M of AC Immune stock for Q1 2021, up 35% quarter-over-quarter.
  • 13 funds opened new AC Immune positions in Q1 2021 and 9 closed out, a net change of +4 holders.
  • The largest AC Immune buyer in Q1 2021 was EcoR1 Capital, an estimated $8.84M added.
  • The largest AC Immune seller in Q1 2021 was BVF Inc, an estimated $16.5M sold.

Based on aggregated 13F filings for Q1 2021.