Ticker · CUSIP 72919P202

PLUG

PLUG POWER INC

Industrials·Electrical Equipment & Parts

···Share

Holders (tracked)

Combined shares

88,839,191

Combined value

$175.01M

Last close

$2.78

Quarter

2025Q4

Price is +41.1% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$2.78+1.88 (+208.89%)H $4.13 · L $0.70 · Avg Vol 103.6M

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

19 events

AQR Capital Management added2026-02-17
+5,314 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) trimmed2026-02-17
−971,650 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+9,231,815 shares · 2025Q4
Position
Philippe Laffont (Coatue) exited2026-02-17
−4,098,713 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+17,541,102 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−2,813,125 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+5,951,138 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+233,101 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) opened position2026-02-13
+377,552 shares · 2025Q4
Position
Renaissance Technologies opened position2026-02-12
+14,052,600 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+45,519 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−563,656 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+3,825,422 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+53,651 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+1,270 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+9,416,870 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+8,068,713 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−45,519 shares · 2025Q3
Position
Norges Bank (Norway SWF) added2025-11-12
+40,978,406 shares · 2024Q3
Position

Insider activity

Last 30 days

Net (open-market)

Buys

0 · $0

Sells

0 · $0

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-01	BONNEY MARK J Director	A	10,509	$2.26	$23.8K
04-01	Angle Colin M Director	A	3,872	$2.26	$8.8K
04-01	Marsh Andrew Director	A	3,688	$2.26	$8.3K
04-01	Joggerst Patrick Director	A	8,850	$2.26	$20.0K
04-01	Mahtani Kavita Director	A	9,956	$2.26	$22.5K
04-01	Kenausis Gregory Director	A	8,712	$2.26	$19.7K

View full insider history for PLUG →

Follow-the-investor returns

If you'd copied each holder of PLUG…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Ken Griffin (Citadel Advisors)	2016Q2	$1.96	+42.0%	$6.0M
Ken Griffin (Citadel Advisors)	2016Q2	$1.96	+42.0%	$6.0M
Ken Griffin (Citadel Advisors)	2016Q2	$1.96	+42.0%	$6.0M
Izzy Englander (Millennium Mgmt)	2016Q3	$1.97	+41.0%	$19.4M
D.E. Shaw & Co.	2016Q1	$1.97	+40.8%	$2.4M
D.E. Shaw & Co.	2016Q1	$1.97	+40.8%	$2.4M
D.E. Shaw & Co.	2016Q1	$1.97	+40.8%	$2.4M
Two Sigma Investments	2019Q4	$2.10	+32.4%	$78.9M
Renaissance Technologies	2019Q1	$2.91	-4.4%	$39.1M
Steve Cohen (Point72)	2020Q2	$2.98	-6.7%	$99K
Steve Cohen (Point72)	2020Q2	$2.98	-6.7%	$99K
Ray Dalio (Bridgewater Associates)	2023Q3	$5.97	-53.4%	$1.0M
AQR Capital Management	2017Q4	$6.06	-54.2%	$69K
T. Rowe Price	2016Q1	$7.33	-62.1%	$2.9M
Norges Bank (Norway SWF)	2020Q2	$1169.68	-99.8%	$127K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Renaissance Technologies
+14,052,600
$27.7M
Steve Cohen (Point72)
+5,951,138
$11.7M
Ray Dalio (Bridgewater Associates)
+377,552
$744K
Norges Bank (Norway SWF)
+45,519
$90K

Added to4

Two Sigma Investments
+17,541,102
$34.6M
D.E. Shaw & Co.
+9,231,815
$18.2M
AQR Capital Management
+5,314
$10K
T. Rowe Price
+233,101
$459

Trimmed2

Izzy Englander (Millennium Mgmt)
−2,813,125
$5.5M
Ken Griffin (Citadel Advisors)
−971,650
$1.9M

Exited1

Philippe Laffont (Coatue)
−4,098,713
$9.6M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	14	80,221,620	$328.29B	—
2022Q2	15	88,966,513	$209.97B	+1
2022Q3	16	88,745,864	$1.86B	+1
2022Q4	15	80,974,743	$1.00B	-1
2023Q1	17	84,166,909	$986.4M	+2
2023Q2	15	98,184,789	$1.02B	-2
2023Q3	18	95,832,050	$728.3M	+3
2023Q4	12	87,735,420	$394.8M	-6
2024Q1	11	84,850,722	$291.9M	-1
2024Q2	14	110,490,197	$257.4M	+3
2024Q3	13	86,780,931	$196.1M	-1
2024Q4	14	96,229,389	$205.0M	+1
2025Q1	13	14,259,461	$19.3M	-1
2025Q2	14	24,933,898	$37.1M	+1
2025Q3	12	50,938,538	$118.7M	-2
2025Q4	15	88,839,191	$175.0M	+3

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2024-07-31	Austin Scott	Sell	$1K – $15K	PDF ↗

Who owns PLUG

15 super-investors · 2025Q4

Tracked stake

88.84M

Combined value

$175M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New5Added6Trim4

#	Manager	Shares	Value	% of book	Last action
1	Two Sigma Investments	28.37M	$56M	0.1%	Added+17.54M
2	D.E. Shaw & Co.	22.11M	$44M	0.0%	Added+9.23M
3	Renaissance Technologies	14.05M	$28M	0.0%	New+14.05M
4	Izzy Englander Millennium Mgmt	6.97M	$14M	0.0%	Trim−2.81M
5	Steve Cohen Point72	5.95M	$12M	0.0%	New+5.95M
6	Ken Griffin Citadel Advisors	4.71M	$9M	0.0%	Trim−971.6K
7	Ken Griffin Citadel Advisors	2.17M	$4M	0.0%	Trim−971.6K
8	Ken Griffin Citadel Advisors	1.99M	$4M	0.0%	Trim−971.6K
9	T. Rowe Price	1.06M	$2M	0.0%	Added+233.1K
10	D.E. Shaw & Co.	879.0K	$2M	0.0%	Added+9.23M
11	Ray Dalio Bridgewater Associates	377.6K	$744K	0.0%	New+377.6K
12	D.E. Shaw & Co.	100.0K	$197K	0.0%	Added+9.23M
13	Norges Bank Norway SWF	45.5K	$90K	0.0%	New+45.5K
14	Steve Cohen Point72	35.5K	$70K	0.0%	New+5.95M
15	AQR Capital Management	24.7K	$49K	0.0%	Added+5.3K

Recent moves

20 transactions

ADDTwo Sigma Investments
+17,541,102 · 2025Q4
NEWSteve Cohen (Point72)
+5,951,138 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−2,813,125 · 2025Q4
ADDAQR Capital Management
+5,314 · 2025Q4
ADDD.E. Shaw & Co.
+9,231,815 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−971,650 · 2025Q4
SOLDPhilippe Laffont (Coatue)
−4,098,713 · 2025Q4
ADDT. Rowe Price
+233,101 · 2025Q4
NEWRay Dalio (Bridgewater Associates)
+377,552 · 2025Q4
NEWRenaissance Technologies
+14,052,600 · 2025Q4
NEWNorges Bank (Norway SWF)
+45,519 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−563,656 · 2025Q3
ADDTwo Sigma Investments
+8,068,713 · 2025Q3
ADDD.E. Shaw & Co.
+3,825,422 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+9,416,870 · 2025Q3
ADDT. Rowe Price
+53,651 · 2025Q3
ADDAQR Capital Management
+1,270 · 2025Q3
SOLDNorges Bank (Norway SWF)
−45,519 · 2025Q3
ADDNorges Bank (Norway SWF)
+40,978,406 · 2024Q3
TRIMIzzy Englander (Millennium Mgmt)
−890,471 · 2025Q2

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