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Plug Power
PLUG

503 hedge funds and large institutions have $2.2B invested in Plug Power in 2026 Q2 according to their latest regulatory filings, with 87 funds opening new positions, 184 increasing their positions, 103 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

132% more call options, than puts

Call options by funds: $81M | Put options by funds: $34.8M

98% more first-time investments, than exits

New positions opened: 87 | Existing positions closed: 44

79% more repeat investments, than reductions

Existing positions increased: 184 | Existing positions reduced: 103

29% more capital invested

Capital invested by funds: $1.7B → $2.2B (+$496M)

7% more funds holding

Funds holding: 469 → 503 (+34)

4.15% more ownership

Funds ownership: 54.1% → 58.25% (+4.1%)

Holders
503
Holders Change
+34
Holders Change %
+7.25%
% of All Funds
6.08%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
87
Increased
184
Reduced
103
Closed
44
Calls
$81M
Puts
$34.8M
Net Calls
+$46.1M
Net Calls Change
-$6.8M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$100M
2
Citadel Advisors
Citadel Advisors
Florida
+$73.2M
3
Handelsbanken Fonder
Handelsbanken Fonder
Sweden
+$48.8M
4
Vanguard Portfolio Management
Vanguard Portfolio Management
Pennsylvania
+$20.6M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$17.2M

Top Sellers

Rank Fund Capital Flow
1
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$84.9M
2
Renaissance Technologies
Renaissance Technologies
New York
-$50.1M
3
HF
HRT Financial
New York
-$26.8M
4
UBS Group
UBS Group
Switzerland
-$26.6M
5
Two Sigma Investments
Two Sigma Investments
New York
-$15M
Name Holding Trade Value Shares
Change 		Change in
Stake
HNB
401
Huntington National Bank
Ohio
$3.69K +$3.45K +1,097 +414%
PF
402
PlanVest Financial
Maryland
$3.6K – – –
AAP
403
Arax Advisory Partners
Colorado
$3.43K +$3.37K +1,073 +562%
YAL
404
Your Advocates Ltd
Texas
$3.21K – – –
FFO
405
Fortitude Family Office
Arizona
$3.13K +$971 +309 +37%
Federated Hermes
406
Federated Hermes
Pennsylvania
$2.87K +$3.33K +1,060 New
CB
407
Community Bank
New York
$2.71K – – –
CTA
408
Colonial Trust Advisors
South Carolina
$2.71K +$1.57K +500 +100%
Barrow, Hanley, Mewhinney & Strauss
409
Barrow, Hanley, Mewhinney & Strauss
Texas
$2.48K +$2.88K +917 New
OA
410
Operose Advisors
Wisconsin
$2.07K +$2.4K +763 New
GSWM
411
Golden State Wealth Management
California
$2.05K -$239 -76 -9%
MA
412
MCF Advisors
Kentucky
$2.01K +$2.04K +650 +722%
SC
413
Stance Capital
Massachusetts
$1.76K – – –
IA
414
IFG Advisory
Georgia
$1.63K +$1.89K +600 New
SGK
415
Steigerwald Gordon & Koch
Virginia
$1.49K – – –
AssetMark Inc
416
AssetMark Inc
California
$1.49K +$1.41K +450 +450%
GA
417
GFS Advisors
Texas
$1.43K +$78.5K +25,000 New
MCA
418
McGuire Capital Advisors
Oklahoma
$1.43K +$534 +170 +47%
CM
419
Caption Management
Oklahoma
$1.42K +$1.64K +522 New
MSFP
420
Mark Sheptoff Financial Planning
Connecticut
$1.38K – – –
APW
421
Aventura Private Wealth
Florida
$1.35K – – –
IRC
422
Investors Research Corp
Georgia
$1.35K – – –
BT
423
Banque Transatlantique
France
$1.33K – – –
BIA
424
Bell Investment Advisors
California
$1.32K +$845 +269 +124%
MSWA
425
Marshall & Sterling Wealth Advisors
New York
$1.08K – – –
15 16
17
18 19

PLUG Hedge Fund Activity: Q2 2026 in Review

503 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Plug Power (PLUG) for Q2 2026, worth a combined $2.2B — up 29% from $1.7B a quarter earlier.

Buyers outnumbered sellers: 87 funds opened new PLUG positions and 44 closed out — a net gain of 43 holders — while 184 added to existing stakes and 103 trimmed.

The largest buyer was BlackRock, adding an estimated $100M. The largest seller was D.E. Shaw & Co, cutting an estimated $84.9M.

  • 503 institutional investors held Plug Power (PLUG) as of Q2 2026, up from 469 in Q1 2026.
  • Funds reported $2.2B of Plug Power stock for Q2 2026, up 29% quarter-over-quarter.
  • 87 funds opened new Plug Power positions in Q2 2026 and 44 closed out, a net change of +43 holders.
  • The largest Plug Power buyer in Q2 2026 was BlackRock, an estimated $100M added.
  • The largest Plug Power seller in Q2 2026 was D.E. Shaw & Co, an estimated $84.9M sold.

Based on aggregated 13F filings for Q2 2026.