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Alpha Tau Medical
DRTS

31 hedge funds and large institutions have $8.26M invested in Alpha Tau Medical in 2025 Q3 according to their latest regulatory filings, with 9 funds opening new positions, 7 increasing their positions, 4 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

350% more first-time investments, than exits

New positions opened: 9 | Existing positions closed: 2

75% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 4

67% more capital invested

Capital invested by funds: $4.95M → $8.26M (+$3.31M)

29% more funds holding

Funds holding: 24 → 31 (+7)

0.29% more ownership

Funds ownership: 1.87% → 2.16% (+0.29%)

Holders
31
Holders Change
+7
Holders Change %
+29.17%
% of All Funds
0.41%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
9
Increased
7
Reduced
4
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Mariner
Mariner
Kansas
+$273K
2
SF
Summit Financial
New Jersey
+$176K
3
Millennium Management
Millennium Management
New York
+$128K
4
Renaissance Technologies
Renaissance Technologies
New York
+$111K
5
Bank of America
Bank of America
North Carolina
+$73.8K

Top Sellers

Rank Fund Capital Flow
1
AI
Atom Investors
Texas
-$80.4K
2
Northern Trust
Northern Trust
Illinois
-$40.2K
3
Citadel Advisors
Citadel Advisors
Florida
-$20K
4
UBS Group
UBS Group
Switzerland
-$9.19K
5
Kovitz Investment Group Partners
Kovitz Investment Group Partners
Illinois
-$5.46K
Name Holding Trade Value Shares
Change 		Change in
Stake
HighTower Advisors
1
HighTower Advisors
Illinois
$3.1M – – –
LCS
2
Levin Capital Strategies
New York
$923K +$41.5K +12,200 +6%
Kovitz Investment Group Partners
3
Kovitz Investment Group Partners
Illinois
$917K -$5.46K -1,603 -0.8%
Mariner
4
Mariner
Kansas
$556K +$273K +80,129 +186%
Renaissance Technologies
5
Renaissance Technologies
New York
$279K +$111K +32,500 +111%
Citadel Advisors
6
Citadel Advisors
Florida
$273K -$20K -5,879 -9%
SAM
7
Satovsky Asset Management
New York
$242K – – –
SF
8
Summit Financial
New Jersey
$233K +$176K +51,610 New
Morgan Stanley
9
Morgan Stanley
New York
$226K +$39K +11,458 +30%
PAG
10
Private Advisor Group
New Jersey
$215K – – –
Geode Capital Management
11
Geode Capital Management
Massachusetts
$171K – – –
Millennium Management
12
Millennium Management
New York
$170K +$128K +37,734 New
Northern Trust
13
Northern Trust
Illinois
$152K -$40.2K -11,811 -26%
UBS Group
14
UBS Group
Switzerland
$138K -$9.19K -2,700 -8%
Bank of America
15
Bank of America
North Carolina
$101K +$73.8K +21,677 +2,779%
ACA
16
Aptus Capital Advisors
Alabama
$99K – – –
FGG
17
Financial Guidance Group
Florida
$99K – – –
Envestnet Asset Management
18
Envestnet Asset Management
Illinois
$62.1K +$46.9K +13,765 New
XT
19
XTX Topco
Cayman Islands
$55.6K +$42K +12,333 New
Goldman Sachs
20
Goldman Sachs
New York
$55.5K +$41.9K +12,315 New
EH
21
Equitable Holdings
New York
$45.1K – – –
OWA
22
Opal Wealth Advisors
New York
$45.1K – – –
Wells Fargo
23
Wells Fargo
California
$27.1K +$11.9K +3,500 +140%
TVWM
24
Tower View Wealth Management
Wisconsin
$25.1K – – –
Bessemer Group
25
Bessemer Group
New Jersey
$17K – – –
1
2

DRTS Hedge Fund Activity: Q3 2025 in Review

31 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Alpha Tau Medical (DRTS) for Q3 2025, worth a combined $8.26M — up 67% from $4.95M a quarter earlier.

Buyers outnumbered sellers: 9 funds opened new DRTS positions and 2 closed out — a net gain of 7 holders — while 7 added to existing stakes and 4 trimmed.

The largest buyer was Mariner, adding an estimated $273K. The largest seller was Atom Investors, exiting entirely with an estimated $80.4K sold.

  • 31 institutional investors held Alpha Tau Medical (DRTS) as of Q3 2025, up from 24 in Q2 2025.
  • Funds reported $8.26M of Alpha Tau Medical stock for Q3 2025, up 67% quarter-over-quarter.
  • 9 funds opened new Alpha Tau Medical positions in Q3 2025 and 2 closed out, a net change of +7 holders.
  • The largest Alpha Tau Medical buyer in Q3 2025 was Mariner, an estimated $273K added.
  • The largest Alpha Tau Medical seller in Q3 2025 was Atom Investors, an estimated $80.4K sold.

Based on aggregated 13F filings for Q3 2025.