13F institutional ownership facts

Institutions tracked

22

Reported value

$65,974,123.00

Reported shares

5,248,640

Latest filing period

Q1 2026

Top institutional holders

  1. Jane Street Group · $3,564,719 · <0.01%%
  2. Israel Englander - Millennium Management · $2,889,060 · <0.01%%
  3. Ken Griffin - Citadel Advisors · $1,853,462 · <0.01%%
  4. Two Sigma Investments · $1,281,889 · <0.01%%
  5. Nuveen · $3,830,735 · <0.01%%
  6. David E. Shaw - D.E. Shaw & Co. · $852,798 · <0.01%%

Data source and limitations

This page uses public SEC Form 13F disclosures and related institutional filing data. 13F reports are periodic disclosures and may not represent current real-time holdings.

13F Hub provides research and education data only. It does not provide personalized investment advice.

$SPIR

Institutional Holdings

22

Top Institutions

Top Institutions

1

Jane Street Group

283,364 shares

NaN%

% of Portfolio

2

Israel Englander - Millennium Management

229,655 shares

NaN%

% of Portfolio

3

Ken Griffin - Citadel Advisors

147,334 shares

NaN%

% of Portfolio

4

Two Sigma Investments

101,899 shares

NaN%

% of Portfolio

5

Nuveen

304,510 shares

NaN%

% of Portfolio

6

David E. Shaw - D.E. Shaw & Co.

67,790 shares

NaN%

% of Portfolio

7

Geode Capital Management

717,234 shares

NaN%

% of Portfolio

8

Cliff Asness - AQR Capital Management

68,293 shares

NaN%

% of Portfolio

9

Larry Fink - BlackRock

1,737,459 shares

NaN%

% of Portfolio

10

Northern Trust Corp

219,512 shares

NaN%

% of Portfolio

11

State Street Corp

575,054 shares

NaN%

% of Portfolio

12

UBS Group

81,311 shares

NaN%

% of Portfolio

13

Charles Schwab

78,344 shares

NaN%

% of Portfolio

14

Morgan Stanley

41,950 shares

NaN%

% of Portfolio

15

AllianceBernstein (AB)

11,020 shares

NaN%

% of Portfolio

16

Invesco

11,285 shares

NaN%

% of Portfolio

17

Legal & General

2,499 shares

NaN%

% of Portfolio

18

PNC Financial Services

127 shares

NaN%

% of Portfolio

19

Renaissance Technologies

0 shares

0.00%

% of Portfolio

20

Chuck Royce - Royce & Associates

570,000 shares

0.07%

% of Portfolio

21

Verition Fund Management LLC

0 shares

0.00%

% of Portfolio

22

Jamie Dimon - JPMorgan Chase

0 shares

0.00%

% of Portfolio

Institutional InsightPRO

Scale Distribution

MEGA

43%

LARGE

26%

MEDIUM

29%

SMALL

2%

Geographic Distribution

North America
73%
Europe
21%
Asia Pacific
14%
Other
5%

Institutional Activity

Buyers

48

Sellers

21

Holders

94

New

20

Exited

11

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Insider TradingPRO

Trading Statistics

Insider Buyers

11

Insider Sellers

21

Purchase Value

$29.2M

Role Distribution

CEO
28%
CFO
19%
Director
36%
VP
12%
Other
5%
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RatingPRO

68

B-

Overall Score

Strong institutional support with positive momentum

Rating Dimensions

Institutional Ownership
73
Recent Activity
66
Concentration
79
Momentum
77
Stability
66

Recent Actions

New

13

Increased

31

Decreased

17

Exited

2

Total

30

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