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State Street SPDR S&P Biotech ETF

625 hedge funds and large institutions have $10.7B invested in State Street SPDR S&P Biotech ETF in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 162 increasing their positions, 275 reducing their positions, and 103 closing their positions.

New
Increased
Maintained
Reduced
Closed

19.7% more ownership

Funds ownership: 180.5%200.2% (+20%)

16% more capital invested

Capital invested by funds: $9.23B → $10.7B (+$1.52B)

0% more funds holding in top 10

Funds holding in top 10: 1515 (0)

8% less funds holding

Funds holding: 682625 (-57)

35% less call options, than puts

Call options by funds: $1.47B | Put options by funds: $2.24B

41% less repeat investments, than reductions

Existing positions increased: 162 | Existing positions reduced: 275

48% less first-time investments, than exits

New positions opened: 54 | Existing positions closed: 103

Holders
625
Holders Change
-57
Holders Change %
-8.36%
% of All Funds
8.23%
Holding in Top 10
15
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.2%
New
54
Increased
162
Reduced
275
Closed
103
Calls
$1.47B
Puts
$2.24B
Net Calls
-$777M
Net Calls Change
+$309M
Name Holding Trade Value Shares
Change
Change in
Stake
IMPI
76
Ilmarinen Mutual Pension Insurance
Finland
$7.49M
TAM
77
Tocqueville Asset Management
New York
$7.05M -$817K -10,244 -11%
Brown Advisory
78
Brown Advisory
Maryland
$7.02M -$16.5M -207,209 -71%
AI
79
Atom Investors
Texas
$6.97M +$1.72M +21,580 +35%
Kovitz Investment Group Partners
80
Kovitz Investment Group Partners
Illinois
$6.86M +$923K +11,570 +16%
CGA
81
Crescent Grove Advisors
Illinois
$6.61M -$354K -4,440 -5%
CCM
82
Chiron Capital Management
Florida
$6.58M -$364K -4,557 -5%
LJAC
83
L.J. Altfest & Co
New York
$6.35M +$3.93M +49,309 +181%
WM
84
WS Management
Florida
$6.34M
HighTower Advisors
85
HighTower Advisors
Illinois
$6.32M -$865K -10,837 -12%
MAM
86
Marotta Asset Management
Virginia
$6.2M +$1.02M +12,776 +21%
Wolverine Trading
87
Wolverine Trading
Illinois
$6.13M +$5.6M +70,243 +1,951%
Tudor Investment Corp
88
Tudor Investment Corp
Connecticut
$6.03M -$5.94M -74,404 -51%
Osaic Holdings
89
Osaic Holdings
Arizona
$6.01M -$2.91M -36,416 -33%
XT
90
XTX Topco
Cayman Islands
$5.84M +$5.62M +70,419 New
Fifth Third Bancorp
91
Fifth Third Bancorp
Ohio
$5.8M -$1.78M -22,252 -24%
RFM
92
Royal Fund Management
Florida
$5.6M +$336K +4,208 +7%
OC
93
Oppenheimer & Co
New York
$5.54M -$219K -2,740 -4%
MMA
94
Mizuho Markets Americas
New York
$5.35M +$1.02M +12,820 +25%
Envestnet Asset Management
95
Envestnet Asset Management
Illinois
$5.17M -$4.5M -56,410 -47%
D.E. Shaw & Co
96
D.E. Shaw & Co
New York
$5.15M -$14.5M -181,427 -75%
ONB
97
Old National Bancorp
Indiana
$5.12M +$4.51M +56,471 +1,069%
NSLI
98
Nan Shan Life Insurance
Taiwan
$5.1M -$271K -3,400 -5%
SB
99
SIG Brokerage
New York
$4.98M +$3.55M +44,507 +286%
BL
100
BCWM LLC
Kansas
$4.78M +$1.06M +13,291 +30%

XBI Hedge Fund Activity: Q2 2025 in Review

625 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR S&P Biotech ETF (XBI) for Q2 2025, worth a combined $10.7B — up 16% from $9.23B a quarter earlier.

Sellers outnumbered buyers: 103 funds closed out of XBI and 54 opened new positions — a net loss of 49 holders — while 275 trimmed existing stakes and 162 added.

The largest buyer was Goldman Sachs, adding an estimated $399M. The largest seller was Demars Financial Group, cutting an estimated $248M.

  • 625 institutional investors held State Street SPDR S&P Biotech ETF (XBI) as of Q2 2025, down from 682 in Q1 2025.
  • Funds reported $10.7B of State Street SPDR S&P Biotech ETF stock for Q2 2025, up 16% quarter-over-quarter.
  • 54 funds opened new State Street SPDR S&P Biotech ETF positions in Q2 2025 and 103 closed out, a net change of -49 holders.
  • The largest State Street SPDR S&P Biotech ETF buyer in Q2 2025 was Goldman Sachs, an estimated $399M added.
  • The largest State Street SPDR S&P Biotech ETF seller in Q2 2025 was Demars Financial Group, an estimated $248M sold.

Based on aggregated 13F filings for Q2 2025.