13FBOX
ACUMEN PHARMACEUTICALS INC · 13F Institutional Holdings
Options Calculator Rankings
A

ACUMEN PHARMACEUTICALS INC

ABOS
Institutions
98
Combined AUM (Q2 2026)
$128.0M
Combined Shares (Q2 2026)
47.9M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+6.0M
52 · 30 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-4.3M
33 · 17 Exit · ≈
⚖️ Net
+1.8M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$128.0M
Institutions
98
New Buys
30
Adds
22
Reduces
16
Exits
17
Unchanged
30
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
RA CAPITAL MANAGEMENT, L.P.
0.49%0.52%#2$56.1M21.0M$49.5M21.0M00.00%Unchanged
Sands Capital Alternatives, LLC
1.62%2.08%#1$9.9M3.7M$8.8M3.7M00.00%Unchanged
BlackRock, Inc.
<0.01%<0.01%#49$6.6M2.5M$420,849178,326+2.3M+1,296.38%Add
Alyeska Investment Group, L.P.
0.02%0.02%#11$6.6M2.5M$5.8M2.5M00.00%Unchanged
FRANKLIN RESOURCES INC
<0.01%<0.01%#25$6.2M2.3M$5.4M2.3M00.00%Unchanged
ADAR1 Capital Management, LLC
0.26%0.3%#5$5.6M2.1M$5.1M2.2M-45,000-2.09%Reduce
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#51$4.5M1.7M$3.6M1.5M+165,795+11.01%Add
Knollwood Investment Advisory, LLC
0.39%0.39%#3$4.3M1.6M$3.8M1.6M00.00%Unchanged
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#41$3.0M1.1M$982,755416,238+725,620+174.33%Add
Ikarian Capital, LLC
0.3%0.2%#4$2.8M1.1M$2.5M1.1M00.00%Unchanged
Hudson Bay Capital Management LP
0.01%0.01%#16$2.5M955,000$2.3M968,940-13,940-1.44%Reduce
Pathstone Holdings, LLC
0.01%0.01%#17$2.3M859,110$2.0M859,11000.00%Unchanged
RENAISSANCE TECHNOLOGIES LLC
<0.01%<0.01%#22$1.8M675,025$1.1M473,946+201,079+42.43%Add
TWO SIGMA INVESTMENTS, LP
<0.01%<0.01%#26$1.7M622,882$1.3M530,812+92,070+17.35%Add
STATE STREET CORP
<0.01%<0.01%#57$1.6M600,528$358,078151,728+448,800+295.79%Add
NORTHERN TRUST CORP
<0.01%<0.01%#47$963,187360,744$177,50075,212+285,532+379.64%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%#64$856,523320,795$00+320,795New Buy
DIMENSIONAL FUND ADVISORS LP
<0.01%<0.01%#43$778,969291,559$281,763119,756+171,803+143.46%Add
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#40$777,611291,240$470,173199,226+92,014+46.19%Add
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#58$733,665274,781$755,710320,216-45,435-14.19%Reduce
BOOTHBAY FUND MANAGEMENT, LLC
0.01%0.01%#12$728,942273,012$644,308273,01200.00%Unchanged
ACADIAN ASSET MANAGEMENT LLC
<0.01%<0.01%#30$721,802270,338$435,000185,850+84,488+45.46%Add
NOMURA HOLDINGS INC
<0.01%#32$506,531189,712$00+189,712New Buy
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#65$495,296185,504$1.7M713,376-527,872-74.00%Reduce
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#60$491,085183,927$487,772206,683-22,756-11.01%Reduce
BRIDGEWAY CAPITAL MANAGEMENT, LLC
0.01%0.01%#14$470,377176,171$415,764176,17100.00%Unchanged
MORGAN STANLEY
<0.01%<0.01%#75$365,157136,763$255,476149,401-12,638-8.46%Reduce
Bank of New York Mellon Corp
<0.01%#56$332,086124,377$00+124,377New Buy
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%#61$307,314115,099$00+115,099New Buy
PFG Investments, LLC
0.01%0.01%#13$251,64894,250$190,80680,850+13,400+16.57%Add
CATALYST FINANCIAL PARTNERS LLC
0.02%0.02%#10$239,49689,699$211,69089,69900.00%Unchanged
Nuveen, LLC
<0.01%#62$169,15863,355$00+63,355New Buy
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#55$161,79760,598$1.6M659,675-599,077-90.81%Reduce
Squarepoint Ops LLC
<0.01%<0.01%#42$139,77752,351$35,43515,015+37,336+248.66%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#78$136,30151,049$28,32012,000+39,049+325.41%Add
Prospera Financial Services Inc
<0.01%<0.01%#23$133,50050,000$118,00050,00000.00%Unchanged
WELLS FARGO & COMPANY/MN
<0.01%<0.01%#73$132,66149,686$23,85510,108+39,578+391.55%Add
MARSHALL WACE, LLP
<0.01%<0.01%#48$128,46548,114$455,218192,889-144,775-75.06%Reduce
DEUTSCHE BANK AG\
<0.01%#67$123,17246,132$00+46,132New Buy
Verdad Advisers, LP
0.11%0.1%#6$118,75644,478$87,97637,278+7,200+19.31%Add
BARCLAYS PLC
<0.01%<0.01%#74$105,87839,655$72,40230,679+8,976+29.26%Add
PRICE T ROWE ASSOCIATES INC /MD/
<0.01%#82$105,00339,327$00+39,327New Buy
Qube Research & Technologies Ltd
<0.01%<0.01%#50$103,09938,614$284,116120,388-81,774-67.93%Reduce
NEW YORK STATE COMMON RETIREMENT FUND
<0.01%#46$96,65436,200$00+36,200New Buy
RHUMBLINE ADVISERS
<0.01%#53$93,53535,034$00+35,034New Buy
Rangeley Capital, LLC
0.09%0.08%#7$93,45035,000$82,60035,00000.00%Unchanged
XTX Topco Ltd
<0.01%#28$85,79832,134$00+32,134New Buy
Intrepid Financial Planning Group LLC
0.03%0.03%#9$80,50130,150$71,15430,15000.00%Unchanged
Y-Intercept (Hong Kong) Ltd
<0.01%#24$78,87229,540$00+29,540New Buy
Quantinno Capital Management LP
<0.01%#52$71,47326,769$00+26,769New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow