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First Trust Indxx Medical Devices ETF
MDEV

3 hedge funds and large institutions have $1.07M invested in First Trust Indxx Medical Devices ETF in 2025 Q4 according to their latest regulatory filings, with funds opening new positions, 1 increasing their positions, 2 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed

14% more capital invested

Capital invested by funds: $935K → $1.07M (+$133K)

4.16% more ownership

Funds ownership: 46.8% → 50.96% (+4.2%)

0% more funds holding

Funds holding: 3 → 3 (0)

50% less repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 2

Holders
3
Holders Change
–
Holders Change %
0%
% of All Funds
0.04%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
1
Reduced
2
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$118K

Top Sellers

Rank Fund Capital Flow
1
VF
Virtu Financial
New York
-$25.4K
2
Osaic Holdings
Osaic Holdings
Arizona
-$6.22K
Name Holding Trade Value Shares
Change 		Change in
Stake
Jane Street
1
Jane Street
New York
$607K +$118K +5,682 +24%
VF
2
Virtu Financial
New York
$438K -$25.4K -1,219 -6%
Osaic Holdings
3
Osaic Holdings
Arizona
$23.2K -$6.22K -299 -21%

MDEV Hedge Fund Activity: Q4 2025 in Review

3 of the 8,254 institutional investors tracked by Wall St. Rank reported a position in First Trust Indxx Medical Devices ETF (MDEV) for Q4 2025, worth a combined $1.07M — up 14% from $935K a quarter earlier.

Fund positioning in MDEV was balanced in Q4 2025: 0 funds opened new positions, 0 closed out, 1 added to existing stakes and 2 trimmed.

The largest buyer was Jane Street, adding an estimated $118K. The largest seller was Virtu Financial, cutting an estimated $25.4K.

  • 3 institutional investors held First Trust Indxx Medical Devices ETF (MDEV) as of Q4 2025, unchanged from Q3 2025.
  • Funds reported $1.07M of First Trust Indxx Medical Devices ETF stock for Q4 2025, up 14% quarter-over-quarter.
  • 0 funds opened new First Trust Indxx Medical Devices ETF positions in Q4 2025 and 0 closed out.
  • The largest First Trust Indxx Medical Devices ETF buyer in Q4 2025 was Jane Street, an estimated $118K added.
  • The largest First Trust Indxx Medical Devices ETF seller in Q4 2025 was Virtu Financial, an estimated $25.4K sold.

Based on aggregated 13F filings for Q4 2025.