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Adicet Bio

49 hedge funds and large institutions have $43.7M invested in Adicet Bio in 2026 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 12 increasing their positions, 8 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

12,333% more call options, than puts

Call options by funds: $373K | Put options by funds: $3K

62.41% more ownership

Funds ownership: 4.39%66.8% (+62%)

50% more repeat investments, than reductions

Existing positions increased: 12 | Existing positions reduced: 8

9% more first-time investments, than exits

New positions opened: 12 | Existing positions closed: 11

0% more funds holding

Funds holding: 4949 (0)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

23% less capital invested

Capital invested by funds: $56.6M → $43.7M (-$12.9M)

Holders
49
Holders Change
Holders Change %
0%
% of All Funds
0.6%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
12
Increased
12
Reduced
8
Closed
11
Calls
$373K
Puts
$3K
Net Calls
+$370K
Net Calls Change
+$359K
Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$8.05M +$1.75M +234,375 +25%
O
2
OrbiMed
New York
$7M
Franklin Resources
3
Franklin Resources
California
$4.27M
Citadel Advisors
4
Citadel Advisors
Florida
$2.6M +$2.05M +274,009 +254%
VCM
5
Vanguard Capital Management
Pennsylvania
$2.29M +$2.52M +336,524 New
WP
6
Woodline Partners
California
$2.13M -$2.33M -311,876 -50%
Adage Capital Partners
7
Adage Capital Partners
Massachusetts
$1.87M
PM
8
Prosight Management
Texas
$1.7M
Renaissance Technologies
9
Renaissance Technologies
New York
$1.58M -$77.5K -10,354 -4%
SCM
10
Stonepine Capital Management
Oregon
$1.51M +$14.6K +1,944 +0.9%
Alyeska Investment Group
11
Alyeska Investment Group
Illinois
$1.39M
CG
12
Carlyle Group
District of Columbia
$1.26M
NCM
13
NEXTBio Capital Management
California
$1.07M
Acadian Asset Management
14
Acadian Asset Management
Massachusetts
$802K -$473K -63,257 -35%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$689K +$91.9K +12,279 +14%
DCM
16
DAFNA Capital Management
California
$639K
BGM
17
Burkehill Global Management
New York
$426K
RP
18
Regeneron Pharmaceuticals
New York
$412K
RC
19
Rangeley Capital
Connecticut
$381K +$232K +30,999 +124%
ACM
20
ADAR1 Capital Management
Texas
$367K -$560K -74,819 -58%
VFT
21
Vanguard Fiduciary Trust
Pennsylvania
$343K +$377K +50,334 New
TI
22
Trexquant Investment
Connecticut
$297K +$327K +43,666 New
Two Sigma Investments
23
Two Sigma Investments
New York
$294K -$761K -101,690 -70%
RC
24
RBF Capital
California
$263K
UBS Group
25
UBS Group
Switzerland
$261K +$259K +34,571 +910%

ACET Hedge Fund Activity: Q1 2026 in Review

49 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Adicet Bio (ACET) for Q1 2026, worth a combined $43.7M — down 23% from $56.6M a quarter earlier.

Buyers outnumbered sellers: 12 funds opened new ACET positions and 11 closed out — a net gain of 1 holder — while 12 added to existing stakes and 8 trimmed.

The largest buyer was Citadel Advisors, adding an estimated $2.05M. The largest seller was Woodline Partners, cutting an estimated $2.33M.

  • 49 institutional investors held Adicet Bio (ACET) as of Q1 2026, unchanged from Q4 2025.
  • Funds reported $43.7M of Adicet Bio stock for Q1 2026, down 23% quarter-over-quarter.
  • 12 funds opened new Adicet Bio positions in Q1 2026 and 11 closed out, a net change of +1 holder.
  • The largest Adicet Bio buyer in Q1 2026 was Citadel Advisors, an estimated $2.05M added.
  • The largest Adicet Bio seller in Q1 2026 was Woodline Partners, an estimated $2.33M sold.

Based on aggregated 13F filings for Q1 2026.